World sea water temperatures

Water temperature in Berkeley (CA) in September

Is it warm enough to swim in Berkeley in September? Average water temperature in Berkeley in September is 62.2°F and therefore is not suitable for comfortable swimming. The warmest sea in Berkeley in September is 72.1°F, and the coldest is 55.8°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Berkeley

Changes water temperature in Berkeley in September 2025, 2024

To get an accurate forecast for the water temperature in Berkeley for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Berkeley, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of September.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
September 168.2°F66.9°F56.7°F70.9°F
September 270°F67.3°F56.7°F70.5°F
September 370°F66.9°F56.7°F70°F
September 468°F66.9°F56.7°F71.1°F
September 567.5°F68.2°F56.7°F70.2°F
September 668°F69.4°F56.5°F70.5°F
September 767.6°F67.5°F56.5°F71.6°F
September 866.9°F68.9°F56.5°F71.6°F
September 967.8°F68.5°F56.3°F71.6°F
September 1065.8°F68.7°F55.9°F72°F
September 1164.6°F67.5°F55.9°F72.1°F
September 1266°F67.5°F56.1°F72.1°F
September 1367.6°F67.6°F56.5°F69.8°F
September 1469.1°F68.2°F56.8°F69.4°F
September 1567.6°F66.2°F56.5°F68.2°F
Day 2025 2024 Min Max
September 1669.6°F65.3°F56.8°F69.6°F
September 1768.7°F64.2°F57.6°F68.7°F
September 1870°F64°F57.4°F70°F
September 1969.1°F63.5°F57.6°F69.6°F
September 2067.1°F65.1°F57.2°F69.6°F
September 2169.1°F64.9°F57°F69.1°F
September 2269.1°F64.9°F56.7°F69.6°F
September 2369.4°F64.4°F56.8°F69.4°F
September 2468.9°F66.2°F56.8°F70.5°F
September 2568.5°F67.6°F56.8°F70.2°F
September 2669.1°F65.3°F56.5°F70.2°F
September 2769.3°F65.1°F55.8°F70.2°F
September 2867.8°F66°F56.1°F68.9°F
September 2968.5°F64.9°F56.3°F68.5°F
September 3069.3°F64.8°F56.5°F69.3°F
Berkeley water temp chart in September

Average water temperature in Berkeley in September over a decade

20162017201820192020
59°F63.5°F63.7°F68.9°F64.8°F
20212022202320242025
67.3°F68.5°F67.8°F66.4°F

Berkeley sea state in September

Chart comparing the height of waves in Berkeley in September over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Waves height in Berkeley in September

Berkeley water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Where is the warm sea water in September?

Want to know where the water temperature in September is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

Best Beach Resorts in California in September

Places with the warmest average sea water temperature in California in September. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
San Diego69.1°F63.1°F75.6°F
Santa Monica68.4°F62.6°F73.4°F
La Jolla Cove70°F63.7°F76.1°F
Lake Tahoe64.9°F59°F70.5°F
Los Angeles68.2°F61.5°F74.3°F
Albany61.9°F55.8°F70.3°F
North Beach62.2°F55.8°F71.4°F
Alcatraz61.7°F55.8°F69.3°F
Angel Island61.7°F55.8°F69.3°F
Paradise Beach Park61.7°F55.8°F68.9°F

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Berkeley is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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