World sea water temperatures

Water temperature in Harrington (ME) in September

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Is it warm enough to swim in Harrington in September? Average water temperature in Harrington in September is 55.9°F and therefore is not suitable for comfortable swimming. The warmest sea in Harrington in September is 62.1°F, and the coldest is 52.9°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Harrington

Changes water temperature in Harrington in September 2025, 2024

To get an accurate forecast for the water temperature in Harrington for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Harrington, 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 158.5°F57°F53.8°F60.3°F
September 257.7°F57.4°F53.8°F59.4°F
September 358.6°F57.4°F52.9°F59.4°F
September 459.5°F56.8°F53.2°F59.5°F
September 5 56.7°F53.4°F58.3°F
September 6 55.8°F53.8°F59.5°F
September 7 55.6°F54.1°F61°F
September 8 57°F53.8°F61.9°F
September 9 56.8°F54.1°F62.1°F
September 10 56.5°F53.8°F60.8°F
September 11 56.1°F54°F60.4°F
September 12 56.3°F54°F59.4°F
September 13 57°F54°F59.7°F
September 14 57.6°F54.1°F59.2°F
September 15 57.4°F54.3°F59.2°F
Day 2025 2024 Min Max
September 16 57.4°F53.4°F58.5°F
September 17 57.2°F53.4°F58.1°F
September 18 57.6°F53.6°F57.7°F
September 19 57.4°F52.9°F57.7°F
September 20 56.8°F53.2°F57.4°F
September 21 56.5°F53.6°F58.1°F
September 22 56.1°F53.4°F57.7°F
September 23 55.8°F53.2°F58.1°F
September 24 55.8°F52.9°F57.6°F
September 25 55°F52.9°F58.5°F
September 26 54.5°F53.1°F59.4°F
September 27 56.5°F53.2°F58.5°F
September 28 56.3°F53.2°F58.6°F
September 29 55.9°F53.4°F58.1°F
September 30 56.7°F53.2°F57.2°F
Harrington water temp chart in September

Average water temperature in Harrington in September over a decade

20152016201720182019
56.1°F56.1°F54.7°F56.8°F55.6°F
20202021202220232024
55.8°F58.1°F57.6°F57.4°F56.5°F

Harrington sea state in September

Chart comparing the height of waves in Harrington 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 Harrington in September

Harrington 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
Franklin56.8°F53.1°F65.1°F
Sullivan56.8°F53.1°F65.1°F
Bar Harbor56.7°F52.9°F64°F
Sand Beach56.1°F52.7°F61.9°F
Hancock56.8°F53.1°F65.1°F
Trenton57°F53.1°F65.1°F
Acadia56.1°F52.7°F61.5°F
Islesford56.1°F52.7°F61.7°F
Tremont56.8°F53.4°F62.6°F
Ellsworth57.7°F54°F64.2°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 Harrington 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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