World sea water temperatures

Water temperature in South Cape Beach in September

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Is it warm enough to swim in South Cape Beach in September? Average water temperature in South Cape Beach in September is 68.7°F and therefore suitable for comfortable swimming. The warmest sea in South Cape Beach in September is 75.4°F, and the coldest is 62.6°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in South Cape Beach

Changes water temperature in South Cape Beach in September 2025, 2024

To get an accurate forecast for the water temperature in South Cape Beach for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in South Cape Beach, 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 171.1°F72.1°F66.7°F75.4°F
September 270.9°F72.1°F66.9°F75.2°F
September 370.5°F71.8°F66.4°F75.2°F
September 470.7°F71.4°F66.6°F74.8°F
September 5 71.1°F66.2°F75.2°F
September 6 71.4°F65.7°F75.4°F
September 7 71.6°F65.5°F75.2°F
September 8 70.7°F66°F74.5°F
September 9 70.5°F66.4°F74.1°F
September 10 70.3°F66.2°F73.9°F
September 11 69.6°F66.4°F73.8°F
September 12 70°F66°F74.8°F
September 13 70.5°F64.9°F73.9°F
September 14 70.5°F65.3°F74.3°F
September 15 70.3°F64.6°F73°F
Day 2025 2024 Min Max
September 16 70.2°F65.7°F72.1°F
September 17 69.1°F64.9°F72.1°F
September 18 69.1°F64.4°F72.7°F
September 19 68.7°F64.6°F72.9°F
September 20 67.6°F64.6°F72.1°F
September 21 64.9°F64.2°F71.6°F
September 22 64.2°F63.3°F71.6°F
September 23 64°F63.3°F72°F
September 24 64.6°F64.2°F72.1°F
September 25 63.7°F63.7°F71.8°F
September 26 63.1°F63.1°F71.8°F
September 27 63.3°F62.6°F71.2°F
September 28 63.5°F62.8°F71.2°F
September 29 64.4°F63°F70.9°F
September 30 65.3°F63°F70°F
South Cape Beach water temp chart in September

Average water temperature in South Cape Beach in September over a decade

20152016201720182019
71.1°F70.3°F66.9°F71.6°F69.4°F
20202021202220232024
69.3°F72.7°F71.1°F70.3°F68.4°F

South Cape Beach sea state in September

Chart comparing the height of waves in South Cape Beach 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 South Cape Beach in September

South Cape Beach 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

Temperature in neighboring cities

The nearest locations with the average water temperature in September. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
East Falmouth68.7°F62.8°F75.2°F
Menauhant Beach68.7°F62.8°F75.2°F
Popponesset68.9°F62.6°F76.1°F
Vineyard Haven68.5°F63°F74.8°F
Surf Drive Beach68.5°F63°F74.8°F
Nobska Beach68.5°F63°F74.8°F
Falmouth68.7°F63°F75.6°F
Teaticket68.7°F63°F75.6°F
Chapoquoit Beach68.7°F63°F75.6°F
Woodneck Beach68.7°F63°F75.6°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 South Cape Beach 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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