World sea water temperatures

Water temperature in West Beach (CT) in September

Is it warm enough to swim in West Beach in September? Average water temperature in West Beach in September is 71.6°F and therefore suitable for comfortable swimming. The warmest sea in West Beach in September is 78.4°F, and the coldest is 66.2°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in West Beach

Changes water temperature in West Beach in September 2025, 2024

To get an accurate forecast for the water temperature in West 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 West 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 171.2°F73.4°F70.9°F75.9°F
September 271.2°F73.6°F70.5°F75°F
September 371.1°F73.2°F69.8°F76.1°F
September 472°F72.9°F69.8°F77.7°F
September 5 72.7°F70°F78.1°F
September 6 71.8°F70.2°F77.9°F
September 7 72°F70.5°F77.2°F
September 8 72.1°F70.2°F78.4°F
September 9 71.8°F70°F77.2°F
September 10 71.4°F69.8°F77°F
September 11 71.6°F69.3°F76.3°F
September 12 71.4°F69.1°F75.2°F
September 13 72°F68.7°F76.3°F
September 14 72.3°F68.9°F75.4°F
September 15 72.3°F68.9°F74.7°F
Day 2025 2024 Min Max
September 16 72.1°F68.7°F73.8°F
September 17 71.8°F67.8°F73.8°F
September 18 71.4°F67.8°F74.1°F
September 19 72.5°F67.1°F73.8°F
September 20 72°F67.3°F73.4°F
September 21 71.8°F67.5°F73.4°F
September 22 71.4°F67.8°F73.2°F
September 23 71.1°F68.4°F73°F
September 24 71.1°F68.4°F72.7°F
September 25 70.2°F68.4°F72.3°F
September 26 69.8°F68.2°F73°F
September 27 69.4°F67.8°F72.3°F
September 28 69.1°F67.3°F72°F
September 29 68.7°F67.1°F71.4°F
September 30 68.5°F66.2°F70.9°F
West Beach water temp chart in September

Average water temperature in West Beach in September over a decade

20152016201720182019
72.7°F72.5°F70.5°F73.4°F71.2°F
20202021202220232024
72.1°F72.9°F72.9°F72.5°F71.4°F

West Beach sea state in September

Chart comparing the height of waves in West 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 West Beach in September

West 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
Lloyd Harbor71.6°F66.2°F78.4°F
Centre Island71.6°F66.2°F78.4°F
Cos Cob71.6°F65.7°F78.1°F
Compo Beach71.6°F66.9°F78.6°F
Sherwood Island71.6°F66.9°F78.6°F
Port Chester71.6°F65.5°F78.1°F
Bayville71.6°F65.8°F78.1°F
Northport71.6°F66.6°F78.4°F
Lattingtown71.6°F65.8°F78.1°F
Byram71.6°F65.5°F78.1°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 West 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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