Ocean water temperature in san diego

68.5. 69. 68.3. 66.4. 63.9. 61.7. San Diego weather & temperature averages ». San Diego, United States July average sea temperature. Marine / ocean climate data updated daily, surface sea temperatures and recorded in degrees centigrade and farenheit.

Ocean water temperature in san diego. Rush to San Diego in September if you would still like to get some of the last summer sun and beach vacation feel. Temperature highs still reach 77°F (25°C), the Pacific Ocean water temperature measures 68°F (20°C) and the sun shines for 8 hours each day. There aren’t any rainy days to be expected and temperature lows hover at 63°F (17°C) .

2021. The average sea water temperature in July of 2023 was 65.9°F. The highest and lowest sea temperatures during the month were 70.3°F and 63.3°F. current. weather. San Diego. weather in. May. San Diego.

May 9, 2024 · Current ocean temperature in Mission Bay. Water temperature in Mission Bay today is 63.7°F. Based on our historical data over a period of ten years, the warmest water in this day in Mission Bay was recorded in 2020 and was 67.5°F, and the coldest was recorded in 2008 at 60.8°F. Sea water temperature in Mission Bay is expected to be constant ... Water temperature in San Clemente Island today is 60.8°F. Based on our historical data over a period of ten years, the warmest water in this day in San Clemente Island was recorded in 2020 and was 66.2°F, and the coldest was recorded in 2018 at 60.1°F. Sea water temperature in San Clemente Island is expected to rise to 62.1°F in the next 10 ...Current ocean temperature in La Jolla Shores. Water temperature in La Jolla Shores today is 63.1°F. Based on our historical data over a period of ten years, the warmest water in this day in La Jolla Shores was recorded in 2020 and was 70.2°F, and the coldest was recorded in 2010 at 61°F. Sea water temperature in La Jolla Shores is …The average water temperature of the Pacific Ocean varies according to location. In some regions near the equator, such as Guam, the ocean temperature reaches 86 degrees Fahrenheit...Ocean Beach Jetty water temperatures peak in the range 19 to 22°C (66 to 72°F) on around the 5th of September and are at their coldest on about the 30th of January, in the range 14 to 17°C (57 to 63°F). Ocean Beach Jetty water temperatures are maximum at the beginning of September. Surfers should use a 2mm long sleeve shorty or a 3/2mm ...Water temperature in San Pedro today is 59.9°F. Based on our historical data over a period of ten years, the warmest water in this day in San Pedro was recorded in 2020 and was 65.8°F, and the coldest was recorded in 2019 at 59.2°F. Sea water temperature in San Pedro is expected to rise to 62.4°F in the next 10 days.Palomar College is a community college located in California with a main campus in San Marcos and seven other locations spread throughout San Diego County. There are several option...

Sea water temperature in San Diego in May, °F. The average sea water temperature in May of 2023 was 62.2°F. The highest and lowest sea temperatures during the month were 63.9°F and 60.4°F.Average water temperature in San Diego in May is 63°F and therefore is not suitable for comfortable swimming. The warmest sea in San Diego in May is 68°F, and the coldest is 57.4°F. Average high air temperature in San Diego in May is 69°F, and average low temperature is 59°F. To find out the sea temperature today and in the coming days, go ...water temperature in San Diego (Quarantine Station) (4 mi.) | water temperature in National City (San Diego Bay) (5 mi.) | water temperature in Point Loma (5 mi.) | water temperature in Quivira Basin (Mission Bay) (5 mi.) | water temperature in Crown Point (Mission Bay) (5 mi.) | water temperature in Imperial Beach (10 mi.) | water temperature ...Aug 21, 2020 ... San Diego ocean temperature hits 77.2-degrees, up from high 50's 3 weeks ago · Comments11.By: On Wednesday, researchers at Scripps Institution of Oceanography at the University of California San Diego logged the warmest sea-surface temperature at Scripps Pier since records began in August 1916. The record of 25.9℃ (78.6℉) followed a string of days in which individual daily records of sea surface and seafloor temperatures had ...When you’re planning a trip to San Diego, one of the first things you’ll need to consider is transportation. While public transportation and ridesharing services are popular option...The best time to visit San Diego if you can swing it is mid to late August for this reason. Temperature ranges from a low of 67° to a high of 77°. Approximately zero days of rain and 277 hours of sunlight. Average ocean temperature is 68°. (August 2023 was strange, thanks to Hurricane Hilary, a weather anomaly.

°F. °C. pacific ocean water temperature by month. September is the month with the highest water temperature at 69.1°F / 20.6°C. The month with the lowest is February with an average water temperature of 59.2°F / …If you want to plan a vacation on the beach and enjoy the warm sea, choose the day of the year, region and the minimum comfortable sea/ocean temperature that interests you. As a result, you will get a list of countries and cities in which the average sea temperature or maximum temperature on this day over the past 10 years exceeds your chosen valueThe best fine dining restaurant in San Diego, according to Tripadvisor reviews—plus, see the rest of the 30 best ... #20. Water Grill - Rating: 4.0 / 5 (566 …Photos (1) Today's Scripps Pier sea temperature is 64 °F. Statistics for 13 May (1981–2005) – mean: 62 °F , range: 59 ° F to 65 ° F. The water temperature (63 °F) at Scripps Pier is relatively warm. If the sun does come out as forecast, it should feel warm enough to surf in a summer wetsuit. Effective air temperature of 57 °F.Changes water temperature in Ocean Beach San Diego in December 2023, 2022. To get an accurate forecast for the water temperature in Ocean Beach San Diego for any chosen month, compare two years within a 10 year range using the chart below.The result of this is a winter-like ocean in the middle of summer. Water temps can drop more than 10 degrees overnight and completely catch you off guard. For this reason, ... After a couple months of cold but pumping waves, the warmth of a San Diego summer is on the horizon by April! Hopefully you kept your 3/2 on a hanger and in good …

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Monthly San Diego water temperature chart. The bar chart below shows the average monthly sea temperatures at San Diego over the year. Average monthly sea temperatures in San Diego Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec °C: 15.1: 14.9: 15.2: 15.9: 17.0: 18.1: 19.4: 19.8: 19.3: 18.3: 17.1: 15.8 °F: 59.2: 58.8 ... Ocean City; … Current ocean temperature in Ocean Beach San Diego. Water temperature in Ocean Beach San Diego today is 63.9°F. Based on our historical data over a period of ten years, the warmest water in this day in Ocean Beach San Diego was recorded in 2020 and was 65.3°F, and the coldest was recorded in 2010 at 60.1°F. Sea water temperature in Ocean ... Palomar College is a community college located in California with a main campus in San Marcos and seven other locations spread throughout San Diego County. There are several option...On Wednesday, researchers at Scripps Institution of Oceanography at the University of California San Diego logged the warmest sea-surface temperature at Scripps Pier since records began in August 1916. The record of 25.9℃ (78.6℉) followed a string of days in which individual daily records of sea surface and seafloor temperatures had …6 days ago · Water temperature in Mission Beach today is 63.3°F. Based on our historical data over a period of ten years, the warmest water in this day in Mission Beach was recorded in 2020 and was 68°F, and the coldest was recorded in 2010 at 60.4°F. Sea water temperature in Mission Beach is expected to rise to 63.7°F in the next 10 days. For example, in San Diego in Southern California, the average ocean temperature in Augst is 70°F and San Francisco in Northern California is 58.1°F. Also, the prevailing northwest winds in California cause colder water to rise off the coast that produces coastal fog and cool ocean surf temperatures.

1 PM 4 PM 7 PM 10 PM. (Orange and San Diego Counties) Latest and Previous Reports (Los Angeles northward) All Southern California Buoy Observations. CDIP (Scripps) Buoy Observations. Integrated Ocean Observing System (IOOS) Environmental Sensor Map. Winds. Wave Heights. ASCAT Satellite Derived Ocean Surface Winds. 6 days ago · Water temperature in Mission Beach today is 63.3°F. Based on our historical data over a period of ten years, the warmest water in this day in Mission Beach was recorded in 2020 and was 68°F, and the coldest was recorded in 2010 at 60.4°F. Sea water temperature in Mission Beach is expected to rise to 63.7°F in the next 10 days. 68.5. 69. 68.3. 66.4. 63.9. 61.7. San Diego weather & temperature averages ». San Diego, United States July average sea temperature. Marine / ocean climate data updated daily, surface sea temperatures and recorded in degrees centigrade and farenheit.Get ratings and reviews for the top 12 window companies in San Diego, CA. Helping you find the best window companies for the job. Expert Advice On Improving Your Home All Projects ...Saturday Water temperature in San Diego. WATER TEMPERATURE. 64 ºF. + INFO. © TIDES4FISHING | WEATHER FORECAST IN SAN DIEGO | NEXT 7 DAYS. FISHING …Water & Weather. San Diego enjoys relatively mild winters and balmy summers. The late summer and early fall months from August, September and October are invariably the best, while the late winter and spring (February to April) are the least predictable. In May and June, morning fog usually yields to sun by midday, and in the height of winter ... Average water temperature in San Diego in September is 69.1°F and therefore suitable for comfortable swimming. The warmest sea in San Diego in September is 75.6°F, and the coldest is 63.1°F. Average high air temperature in San Diego in September is 76°F, and average low temperature is 65°F. To find out the sea temperature today and in the ... The average high temperature in July for San Diego is 76 °F (24 °C). The national average is 86.8 °F (30.4 °C). Data. Climate data ... Water temperatures have risen since 1950 as measured at Scripps Pier. Average sea temperature; Jan Feb Mar ... keeps ocean water significantly colder than in the Gulf of Mexico and western AtlanticAverage water temperature in Ocean Beach San Diego in January is 58.8°F and therefore is not suitable for comfortable swimming. The warmest sea in Ocean Beach San Diego in January is 61.9°F, and the coldest is 54.9°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Ocean Beach San Diego.

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Water temperature in Coronado today is 63.7°F. Based on our historical data over a period of ten years, the warmest water in this day in Coronado was recorded in 2020 and was 67.5°F, and the coldest was recorded in 2022 at 59.7°F. Sea water temperature in Coronado is expected to drop to 63.1°F in the next 10 days.Today's Torrey Pines State Beach sea temperature is 64 °F. Statistics for 09 May (1981–2005) – mean: 61 °F , range: 59 ° F to 65 ° F. The water temperature (63 °F) at Torrey Pines State Beach is relatively warm. If the sun does come out as forecast, it should feel warm enough to surf in a summer wetsuit. Effective air temperature of 63 ...What is the current water temperature in La Jolla Shores in Pacific Ocean? How the water temperature will change in La Jolla Shores in the coming days. ... San Diego: 63°C : 19km: Encinitas: 62°C : 20km: Cabrillo: 63°C : 21km: Coronado: 62°C : 21km: Chula Vista: 62°C : 29km: ... The most accurate and complete data on the temperature …The average, high, and low temperatures below should help you if you can swim in the water in San Diego in June. 18.84° C. (65.91° F) highest: 20.99° C (69.78° F) lowest: 16.09° C (60.96° F) At this temperature, water will feel cold compared to a swimming pool, but with a bit of experience and practice most people will find the water ...data updated 4 minutes ago. 63 °F. yesterday: 63°F. a week ago: 61°F. Trend: slow drop. Today water temperature in San Diego is 63.1°F. This is cool bathing water, but acceptable for short dives for physically fit and …Lanzarote, one of the beautiful Canary Islands, is known for its warm and pleasant climate throughout the year. The island’s unique geographical location and its proximity to the A...68.5. 69. 68.3. 66.4. 63.9. 61.7. San Diego weather & temperature averages ». San Diego, United States July average sea temperature. Marine / ocean climate data updated daily, surface sea temperatures and recorded in degrees centigrade and farenheit.Saturday Water temperature in San Diego. WATER TEMPERATURE. 64 ºF. + INFO. © TIDES4FISHING | WEATHER FORECAST IN SAN DIEGO | NEXT 7 DAYS. FISHING SITES CLOSE TO SAN DIEGO. water temperature in San Diego (Quarantine Station) (4 mi.) | water temperature in National City (San Diego Bay) (5 mi.) | water temperature in Point Loma (5 mi.) | water ...

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Large bodies of water take longer to warm or cool than the land does, so coastal regions generally see lower temperatures during the summer and warmer temperatures during the winte...Water temperature in Los Angeles today is 59.5°F. Based on our historical data over a period of ten years, the warmest water in this day in Los Angeles was recorded in 2020 and was 63°F, and the coldest was recorded in 2010 at 57.6°F. Sea water temperature in Los Angeles is expected to rise to 61.2°F in the next 10 days.Today's Coronado Beaches sea temperature is 63 °F. Statistics for 11 May (1981–2005) – mean: 62 °F , range: 59 ° F to 65 ° F. The water temperature (63 °F) at Coronado Beaches is relatively warm. If the sun does come out as forecast, it should feel warm enough to surf in a summer wetsuit. Effective air temperature of 61 °F.San Diego is home to some of the best fitness centers in the country, and many of them are open 24 hours a day. Whether you’re looking for a place to get in shape, stay in shape, o...Average water temperature in San Diego in July is 68.5°F and therefore suitable for comfortable swimming. The warmest sea in San Diego in July is 74.8°F, and the coldest is 62.8°F. Average high air temperature in San Diego in July is 75°F, and average low temperature is 65°F.Data source and citation. Raw data for the calculations made to find the sea surface temperature in San Diego comes from the National Oceanic and Atmospheric Administration (NOAA) and their 1/4° daily Optimum Interpolation Sea Surface Temperature.. The water temperature data is constructed by combining observations …68.3. 66.4. 63.9. 61.7. San Diego weather & temperature averages ». San Diego, United States March average sea temperature. Marine / ocean climate data updated daily, surface sea temperatures and recorded in degrees centigrade and farenheit.Today the wave height in San Diego exceeds 3 ft 3 in (1 meter) and it is dangerous for swimming. If the wave height above 4 ft 9 in (1,5 meter) swimming is forbidden. In the coming days the sea will calm down. The table below provides detailed information about the sea conditions for the next 10 days by time of day.Current ocean temperature in La Jolla Shores. Water temperature in La Jolla Shores today is 63.1°F. Based on our historical data over a period of ten years, the warmest water in this day in La Jolla Shores was recorded in 2020 and was 70.2°F, and the coldest was recorded in 2010 at 61°F. Sea water temperature in La Jolla Shores is …Data source and citation. Raw data for the calculations made to find the sea surface temperature in San Diego comes from the National Oceanic and Atmospheric Administration (NOAA) and their 1/4° daily Optimum Interpolation Sea Surface Temperature.. The water temperature data is constructed by combining observations … ….

The water temperature in this location is 86°F. And the coldest in Nome, its value 29°F. The water temperature in Pacific Ocean has risen both over the past week and over the month. The general trend can be seen on the graph. It shows the change in the average water temperature, calculated at all points in Pacific Ocean over the past two ...Today's La Jolla Shores sea temperature is 64 °F. Statistics for 13 May (1981–2005) – mean: 62 °F , range: 59 ° F to 65 ° F. The water temperature (63 °F) at La Jolla Shores is relatively warm. If the sun does come out as forecast, it should feel warm enough to surf in a summer wetsuit. Effective air temperature of 57 °F.Get ratings and reviews for the top 11 foundation companies in San Diego, CA. Helping you find the best foundation companies for the job. Expert Advice On Improving Your Home All P...Photos (1) Today's Mission Beach sea temperature is 64 °F. Statistics for 08 May (1981–2005) – mean: 62 °F , range: 59 ° F to 65 ° F. The water temperature (63 °F) at Mission Beach is relatively warm. If the sun does come out as forecast, it should feel warm enough to surf in a summer wetsuit. Effective air temperature of 57 °F.Palomar College is a community college located in California with a main campus in San Marcos and seven other locations spread throughout San Diego County. There are several option... Current ocean temperature in Ocean Beach San Diego. Water temperature in Ocean Beach San Diego today is 63.9°F. Based on our historical data over a period of ten years, the warmest water in this day in Ocean Beach San Diego was recorded in 2020 and was 65.3°F, and the coldest was recorded in 2010 at 60.1°F. Sea water temperature in Ocean ... Apr 23, 2023 · On this day exactly a year ago, according to Sea Temperature Net, the water temperature in San Diego was 62 degrees. Water temperature range in San Diego in April is from 55 to 66 degrees. Average temperature in Pacific Ocean in San Diego in March is 60°F. Water of this temperature is considered cold enough. Dipping or immersion in such water is possible only for a short time. Staying in such water for more than two hours can lead to loss of consciousness. Minimum water temperature in San Diego in March is 53°F, maximum …68.5. 69. 68.3. 66.4. 63.9. 61.7. San Diego weather & temperature averages ». San Diego, United States October average sea temperature. Marine / ocean climate data updated daily, surface sea temperatures and recorded in degrees centigrade and farenheit. Ocean water temperature in san diego, Water temperature in Imperial Beach today is 63.7°F. Based on our historical data over a period of ten years, the warmest water in this day in Imperial Beach was recorded in 2020 and was 65.3°F, and the coldest was recorded in 2007 at 59.5°F. Sea water temperature in Imperial Beach is expected to drop to 62.8°F in the next 10 days., On this day exactly a year ago, according to Sea Temperature Net, the water temperature in San Diego was 62 degrees. Water temperature range in San Diego in April is from 55 to 66 degrees., On Wednesday, researchers at Scripps Institution of Oceanography at the University of California San Diego logged the warmest sea-surface temperature at Scripps Pier since records began in August 1916. The record of 25.9℃ (78.6℉) followed a string of days in which individual daily records of sea surface and seafloor temperatures had …, Water temperature in Los Angeles today is 59.5°F. Based on our historical data over a period of ten years, the warmest water in this day in Los Angeles was recorded in 2020 and was 63°F, and the coldest was recorded in 2010 at 57.6°F. Sea water temperature in Los Angeles is expected to rise to 61.2°F in the next 10 days., Feb 27, 2024 ... Water temperatures in San Diego range from the low 50's in winter to the low 70's in the summer. If you plan to spend a lot of time in the ..., San Diego is a popular destination for travelers seeking sun, surf, and sand. But finding the perfect place to stay can be overwhelming with so many options available. Located in t..., 60°F. Average temperature in Pacific Ocean in San Diego in February is 59°F. Water of this temperature is considered cold enough. Dipping or immersion in such water is possible only for a short time. Staying in such water for more than two hours can lead to loss of consciousness. Minimum water temperature in San Diego in February is 55°F ..., Breaking News Reporter. Water temperature readings off the coast of San Diego on August 9 are believed to be the highest ever measured in California waters. Two buoys off the coast logged a sea ..., Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 61.7 °F, the minimum temperature may reach 61.4 °F, and the maximum might stay at 62.2 °F. Daily water temperature in San Diego, Monthly San Diego water temperature chart. The bar chart below shows the average monthly sea temperatures at San Diego over the year. Average monthly sea temperatures in San Diego Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec °C: 15.1: 14.9: 15.2: 15.9: 17.0: 18.1: 19.4: 19.8: 19.3: 18.3: 17.1: 15.8 °F: 59.2: 58.8 ... Ocean City; Honolulu ..., This data the coastal Cardiff ocean water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day. ... Water Weather Wave; San Diego: 62.1°F: 66.2°F: 4' 2" Santa Monica: …, The average high temperature in July for San Diego is 76 °F (24 °C). The national average is 86.8 °F (30.4 °C). Data. Climate data ... Water temperatures have risen since 1950 as measured at Scripps Pier. Average sea temperature; Jan Feb Mar ... keeps ocean water significantly colder than in the Gulf of Mexico and western Atlantic, 68.5. 69. 68.3. 66.4. 63.9. 61.7. San Diego weather & temperature averages ». San Diego, United States July average sea temperature. Marine / ocean climate data updated daily, surface sea temperatures and recorded in degrees centigrade and farenheit., Water temperature in Los Angeles today is 59.5°F. Based on our historical data over a period of ten years, the warmest water in this day in Los Angeles was recorded in 2020 and was 63°F, and the coldest was recorded in 2010 at 57.6°F. Sea water temperature in Los Angeles is expected to rise to 61.2°F in the next 10 days., San Diego is a popular destination for travelers seeking sun, surf, and sand. But finding the perfect place to stay can be overwhelming with so many options available. Located in t..., Last week, researchers recorded the warmest sea surface temperature in more than a century. Each day, researchers from the Scripps Institution of Oceanography at University of California San Diego ..., Water temperatures will be the high fifties to low sixties, perfect for dipping toes in. Ocean Temperature In November . If the ocean, as mentioned above, temperatures are too cold for your liking in November weather in San Diego, have no fear! It’s still perfectly temperate weather to walk along the beach., Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 61.7 °F, the minimum temperature may reach 61.4 °F, and the maximum might stay at 62.2 °F. Daily water temperature in San Diego , Sea water temperature in San Diego in May, °F. The average sea water temperature in May of 2023 was 62.2°F. The highest and lowest sea temperatures during the month were 63.9°F and 60.4°F., Current ocean temperature in Encinitas. Water temperature in Encinitas today is 65.1°F. Based on our historical data over a period of ten years, the warmest water in this day in Encinitas was recorded in 2020 and was 69.8°F, and the coldest was recorded in 2010 at 60.1°F., provides water temperature and conductivity observations data in chart ... Products available at 9410170 San Diego, CA. Tides/Water Levels ... National Ocean Service ..., The ocean temperature off Del Mar fell to 52.25 degrees this week, the lowest reading in San Diego County waters since UC San Diego began using a buoy system in the 1970s to monitor large areas of the U.S. coastline., The table below lists typical water temperatures for each month of the year in the ocean near San Diego in California. The temperatures, given in both degrees Fahrenheit and degrees Celsius, are long-term averages. The water is measured at Scripps Pier, just north of San Diego in La Jolla., Changes water temperature in Ocean Beach San Diego in April 2024, 2023. To get an accurate forecast for the water temperature in Ocean Beach San Diego for any chosen month, compare two years within a 10 year range using the chart below. , Below is the current sea temperature for Mission Bay, United States on 10th May 2024. 16.53° C. (61.75° F) yesterday: 16.55° C (61.79° F) a week ago: 17.55° C (63.59° F) At this temperature, water will feel cold compared to a swimming pool, but with a bit of experience and practice most people will find the water relatively comfortable to ... , Apr 26, 2017 ... The ocean temperature is 65 right now. Wetsuits are recommended. Like. Reactions: Tattylou ..., Photos (1) Today's Mission Beach sea temperature is 64 °F. Statistics for 08 May (1981–2005) – mean: 62 °F , range: 59 ° F to 65 ° F. The water temperature (63 °F) at Mission Beach is relatively warm. If the sun does come out as forecast, it should feel warm enough to surf in a summer wetsuit. Effective air temperature of 57 °F., The Ocean Monitoring Program maintains two RTOMS in partnership with Scripps Institute of Oceanography. RTOMS are anchored buoys suspended in the water column configured with a range of instruments at multiple depths, collecting near continuous physical, chemical, and biological data and providing near real-time information of changing conditions., Average water temperature in San Diego in October is 67.1°F and therefore is not suitable for comfortable swimming. The warmest sea in San Diego in October is 73.8°F, and the coldest is 62.6°F. Average high air temperature in San Diego in October is 73°F, and average low temperature is 61°F. To find out the sea temperature today and in the ..., Current ocean temperature in Ocean Beach San Diego. Water temperature in Ocean Beach San Diego today is 63.9°F. Based on our historical data over a period of ten years, the warmest water in this day in Ocean Beach San Diego was recorded in 2020 and was 65.3°F, and the coldest was recorded in 2010 at 60.1°F. Sea water temperature in Ocean ... , 14°C / 58°F. (broken clouds) Wind. 5 mph. Humidity. 80%. The measurements for the water temperature in San Diego, California are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users., Current ocean temperature in La Jolla Cove. Water temperature in La Jolla Cove today is 63°F. Based on our historical data over a period of ten years, the warmest water in this day in La Jolla Cove was recorded in 2020 and was 69.4°F, and the coldest was recorded in 2010 at 60.8°F. Sea water temperature in La Jolla Cove is expected to rise ..., Average water temperature in San Diego in September is 69.1°F and therefore suitable for comfortable swimming. The warmest sea in San Diego in September is 75.6°F, and the coldest is 63.1°F. Average high air temperature in San Diego in September is 76°F, and average low temperature is 65°F. To find out the sea temperature today and in the ...