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Water temperature in Shelter Cove (CA) in September

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Is it warm enough to swim in Shelter Cove in September? Average water temperature in Shelter Cove in September is 55.8°F and therefore is not suitable for comfortable swimming. The warmest sea in Shelter Cove in September is 62.2°F, and the coldest is 50.2°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Shelter Cove

Changes water temperature in Shelter Cove in September 2025, 2024

To get an accurate forecast for the water temperature in Shelter Cove for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Shelter Cove, 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 156.7°F53.1°F52.3°F59.7°F
September 258.5°F55°F51.4°F59°F
September 358.3°F57.2°F51.3°F59.5°F
September 457.9°F57°F50.2°F60.3°F
September 557.9°F54.5°F50.7°F61°F
September 6 52.5°F51.4°F60.3°F
September 7 52.9°F52.3°F59.9°F
September 8 53.4°F52.7°F58.8°F
September 9 55.2°F52.5°F57.9°F
September 10 53.6°F52.9°F57.6°F
September 11 54.1°F52.7°F57.6°F
September 12 55.6°F52°F57.6°F
September 13 55.8°F51.4°F58.3°F
September 14 55.9°F52°F58.3°F
September 15 54.5°F52.2°F58.5°F
Day 2025 2024 Min Max
September 16 53.4°F52.7°F59.7°F
September 17 53.2°F52.7°F60.6°F
September 18 53.1°F53.1°F60.6°F
September 19 52.7°F52.7°F61.5°F
September 20 54°F52.9°F60.6°F
September 21 54.1°F52.9°F60.3°F
September 22 54.1°F53.6°F61°F
September 23 55.6°F53.2°F61.5°F
September 24 55.2°F52.9°F61.5°F
September 25 55.6°F53.8°F61.5°F
September 26 57.2°F53.4°F62.1°F
September 27 59°F53.4°F62.2°F
September 28 58.3°F52.5°F61.3°F
September 29 57.4°F52.2°F60.8°F
September 30 56.8°F51.6°F60.4°F
Shelter Cove water temp chart in September

Average water temperature in Shelter Cove in September over a decade

20152016201720182019
56.7°F54.7°F57°F54.1°F56.5°F
20202021202220232024
56.5°F55.9°F56.7°F55.6°F55°F

Shelter Cove sea state in September

Chart comparing the height of waves in Shelter Cove 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 Shelter Cove in September

Shelter Cove 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
King Salmon55°F48.7°F61.5°F
Samoa55.2°F48.7°F61.3°F
Humboldt Beach55.2°F49.3°F61.3°F
Manila55.2°F49.3°F61.3°F
McKinleyville55.2°F49.3°F61.2°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 Shelter Cove 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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