World sea water temperatures

Water temperature in Annisquam (MA) in September

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Is it warm enough to swim in Annisquam in September? Average water temperature in Annisquam in September is 63.7°F and therefore is not suitable for comfortable swimming. The warmest sea in Annisquam in September is 71.4°F, and the coldest is 58.5°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Annisquam

Changes water temperature in Annisquam in September 2025, 2024

To get an accurate forecast for the water temperature in Annisquam for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Annisquam, 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 164°F65.5°F61.7°F69.6°F
September 265.1°F65.5°F62.2°F69.3°F
September 364.4°F65.3°F61.7°F70.3°F
September 464.6°F65.1°F61.5°F70.9°F
September 5 65.3°F61.7°F67.1°F
September 6 64.9°F62.1°F71.1°F
September 7 64.9°F61°F70.7°F
September 8 64.6°F62.4°F69.1°F
September 9 63.7°F62.2°F68.9°F
September 10 64.9°F61.5°F69.6°F
September 11 64°F62.8°F70.3°F
September 12 64.6°F61.7°F70.3°F
September 13 65.1°F61.9°F69.8°F
September 14 64.6°F62.1°F69.4°F
September 15 65.3°F61°F67.3°F
Day 2025 2024 Min Max
September 16 65.5°F60.4°F65.5°F
September 17 65.5°F59.9°F66.9°F
September 18 64.9°F60.6°F65.8°F
September 19 65.3°F59.9°F65.3°F
September 20 64.4°F61.3°F64.8°F
September 21 63.5°F60.3°F64.6°F
September 22 63.1°F60.4°F64.2°F
September 23 62.2°F59.4°F65.5°F
September 24 62.1°F59°F66°F
September 25 61.7°F59.2°F65.8°F
September 26 61.5°F58.6°F63.3°F
September 27 61.7°F58.5°F65.1°F
September 28 62.2°F58.6°F65.8°F
September 29 62.4°F59°F63.1°F
September 30 62.4°F59.2°F63°F
Annisquam water temp chart in September

Average water temperature in Annisquam in September over a decade

20152016201720182019
65.1°F64.4°F62.2°F66.2°F63.9°F
20202021202220232024
63.5°F65.5°F63.9°F65.7°F64°F

Annisquam 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

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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 Annisquam 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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