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Water temperature in Cuttyhunk Island (MA) in September

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Is it warm enough to swim in Cuttyhunk Island in September? Average water temperature in Cuttyhunk Island in September is 66.9°F and therefore is not suitable for comfortable swimming. The warmest sea in Cuttyhunk Island in September is 71.8°F, and the coldest is 62.8°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Cuttyhunk Island

Changes water temperature in Cuttyhunk Island in September 2025, 2024

To get an accurate forecast for the water temperature in Cuttyhunk Island for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Cuttyhunk Island, 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 167.5°F66.9°F66.2°F71.6°F
September 267.8°F67.1°F65.8°F70.7°F
September 367.1°F66.7°F64.6°F70.9°F
September 467.5°F67.1°F64.4°F70°F
September 5 66.7°F64.8°F70.5°F
September 6 66.4°F65.5°F70.9°F
September 7 66.7°F65.7°F71.4°F
September 8 66.7°F65.7°F71.1°F
September 9 66.2°F65.7°F71.4°F
September 10 66.4°F65.7°F70.2°F
September 11 66.2°F65.1°F70.2°F
September 12 66.9°F64.6°F71.8°F
September 13 66.9°F65.3°F70.9°F
September 14 66.2°F65.5°F71.1°F
September 15 67.5°F64.8°F70.5°F
Day 2025 2024 Min Max
September 16 67.1°F65.7°F69.8°F
September 17 67.3°F64.2°F70.7°F
September 18 66.9°F64°F69.8°F
September 19 66°F63.9°F70.2°F
September 20 65.7°F64.2°F69.3°F
September 21 65.3°F64.4°F69.1°F
September 22 65.3°F63.9°F69.6°F
September 23 63.7°F63.7°F69.3°F
September 24 63.3°F63.3°F69.6°F
September 25 63.5°F63.3°F69.3°F
September 26 63.1°F63.1°F68.9°F
September 27 63.5°F63.1°F68.7°F
September 28 63.7°F63.1°F68.4°F
September 29 64.6°F62.8°F67.6°F
September 30 64°F63.1°F67.3°F
Cuttyhunk Island water temp chart in September

Average water temperature in Cuttyhunk Island in September over a decade

20152016201720182019
68.4°F68°F65.8°F68°F66.2°F
20202021202220232024
66.6°F69.3°F68°F67.3°F65.8°F

Cuttyhunk Island sea state in September

Chart comparing the height of waves in Cuttyhunk Island 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 Cuttyhunk Island in September

Cuttyhunk Island 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
Gosnold67.3°F63°F71.8°F
Vineyard Sound67.3°F63°F72°F
Menemsha66.7°F62.2°F72.1°F
Lambert's Cove67.8°F63°F73.2°F
Dartmouth68.2°F63.3°F75.6°F
Martha's Vineyard66.7°F61°F71.8°F
West Tisbury66.7°F61°F71.8°F
Long Point Beach66.7°F61°F71.8°F
Woods Hole68.4°F63°F74.5°F
Middletown67.6°F63.3°F73.4°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 Cuttyhunk Island 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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