World sea water temperatures

Water temperature in Harborview Beach (MA) in September

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Is it warm enough to swim in Harborview Beach in September? Average water temperature in Harborview Beach in September is 66.4°F and therefore is not suitable for comfortable swimming. The warmest sea in Harborview Beach in September is 73.6°F, and the coldest is 60.1°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Harborview Beach

Changes water temperature in Harborview Beach in September 2025, 2024

To get an accurate forecast for the water temperature in Harborview 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 Harborview 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 168.5°F70.9°F65.1°F72.9°F
September 268.4°F70.3°F64.6°F72.7°F
September 368.5°F68.7°F63.7°F72.5°F
September 469.8°F68.9°F63.5°F73°F
September 570.2°F69.3°F63.7°F72.7°F
September 670°F68°F63.9°F72.9°F
September 770°F68.5°F64.4°F73.6°F
September 869.1°F68.4°F64.4°F72.9°F
September 968°F67.5°F64.4°F72.7°F
September 1067.3°F68.5°F64.4°F72.3°F
September 1166.6°F67.6°F63.9°F71.8°F
September 1266.6°F69.1°F63.9°F71.6°F
September 1366°F69.6°F63.9°F71.2°F
September 1468°F69.6°F64°F72.7°F
September 1567.6°F69.3°F64°F70.5°F
Day 2025 2024 Min Max
September 1667.6°F68.7°F64.8°F69.8°F
September 1767.6°F67.8°F63.7°F69.3°F
September 1865.1°F67.5°F63.3°F71.4°F
September 1966.4°F66.9°F62.2°F70.7°F
September 2067.3°F64.8°F62.8°F69.4°F
September 2166.6°F64°F60.6°F69.3°F
September 2266.2°F63.1°F60.1°F69.6°F
September 2365.5°F63.7°F60.3°F69.4°F
September 2466.7°F63.3°F61.5°F70°F
September 25 63°F61.9°F69.3°F
September 26 62.6°F61.5°F69.4°F
September 27 63.1°F61.2°F69.1°F
September 28 64.2°F61.2°F68.9°F
September 29 63°F61.3°F68°F
September 30 63.3°F61.2°F66.7°F
Harborview Beach water temp chart in September

Average water temperature in Harborview Beach in September over a decade

20152016201720182019
67.5°F66.6°F63.5°F68.5°F66.7°F
20202021202220232024
66.9°F70°F68.5°F67.8°F66.7°F

Harborview Beach sea state in September

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

Harborview 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
Orleans65.5°F60.1°F72.7°F
Skaket Beach65.5°F60.1°F72.7°F
First Encounter Beach65.5°F60.1°F72.7°F
Breakwater Beach65.5°F60.1°F72.7°F
West Dennis67.5°F61.2°F75.6°F
Harwich Port66.9°F61°F74.7°F
South Yarmouth67.8°F61.3°F76.3°F
Barnstable67.1°F60.3°F75.2°F
Cooks Brook Beach65.3°F60.3°F72.7°F
Bass River67.6°F61.2°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 Harborview 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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