World sea water temperatures

Water temperature in Bass River in September

Is it warm enough to swim in Bass River in September? Average water temperature in Bass River in September is 67.6°F and therefore is not suitable for comfortable swimming. The warmest sea in Bass River in September is 75.6°F, and the coldest is 61.2°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Bass River

Changes water temperature in Bass River in September 2025, 2024

To get an accurate forecast for the water temperature in Bass River for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Bass River, 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 170.2°F71.8°F66°F75.6°F
September 269.6°F71.4°F66°F74.7°F
September 370°F71.1°F65.8°F74.1°F
September 471.4°F71.1°F66°F74.5°F
September 571.8°F70.9°F65.7°F73.9°F
September 671.2°F69.1°F64.9°F73.9°F
September 771.1°F68°F64.8°F73.6°F
September 870.3°F70°F65.1°F73°F
September 969.1°F69.4°F65.7°F73.4°F
September 1068.7°F69.1°F65.5°F73°F
September 1168.7°F69.6°F65.5°F72.5°F
September 1268.4°F69.6°F65.1°F74.8°F
September 1368.5°F70°F64.2°F73°F
September 1468.7°F70.5°F64.4°F74.3°F
September 1568.7°F70.3°F63.9°F72.7°F
Day 2025 2024 Min Max
September 1668.2°F70.3°F64.8°F71.1°F
September 1768.2°F69.6°F63.9°F70.5°F
September 1868.9°F69.4°F63.5°F71.8°F
September 1968.5°F68.9°F62.4°F72°F
September 2068°F67.5°F63.3°F71.1°F
September 2167.8°F65.3°F62.2°F70.3°F
September 2267.5°F63.9°F61.3°F70.7°F
September 2367.3°F63.5°F61.2°F70.9°F
September 2467.5°F63.9°F62.4°F71.1°F
September 2567.3°F63.7°F62.4°F70.5°F
September 2669.1°F63.3°F61.9°F71.2°F
September 2768.9°F63.5°F61.3°F71.1°F
September 2869.1°F65.3°F61.5°F70.7°F
September 2969.3°F64.4°F61.5°F69.4°F
September 3068°F64.4°F61.7°F69.3°F
Bass River water temp chart in September

Average water temperature in Bass River in September over a decade

20162017201820192020
68.7°F65.5°F70°F68.4°F68°F
20212022202320242025
71.6°F70.2°F69.3°F68°F

Bass River sea state in September

Chart comparing the height of waves in Bass River 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 Bass River in September

Bass River 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
Smugglers Beach67.6°F61.2°F75.6°F
West Yarmouth68°F61.5°F76.6°F
Sea Gull Beach68°F61.5°F76.6°F
Seagull Beach68°F61.5°F76.6°F
Lewis Bay68°F61.5°F76.6°F
Sea Street Beach66.9°F61°F74.3°F
Colonial Acres Beach68°F61.5°F76.6°F
Hyannis68.4°F61.7°F77°F
Kalmus Beach68.4°F61.7°F77°F
Veterans Beach68.4°F61.7°F77°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 Bass River 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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