World sea water temperatures

Water temperature in Popham Beach (ME) in September

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Is it warm enough to swim in Popham Beach in September? Average water temperature in Popham Beach in September is 60.3°F and therefore is not suitable for comfortable swimming. The warmest sea in Popham Beach in September is 67.1°F, and the coldest is 55.8°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Popham Beach

Changes water temperature in Popham Beach in September 2025, 2024

To get an accurate forecast for the water temperature in Popham 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 Popham 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 161.2°F62.8°F59.5°F65.1°F
September 263.7°F61.5°F58.8°F64.9°F
September 363.5°F60.4°F58.1°F65.8°F
September 463.1°F60.6°F57.4°F65.7°F
September 5 61.9°F57.6°F67.1°F
September 6 62.1°F58.1°F66.6°F
September 7 61.3°F58.3°F65.3°F
September 8 60.4°F58.1°F66.4°F
September 9 59°F58.1°F66.2°F
September 10 58.5°F58.3°F66.4°F
September 11 58.5°F58.3°F65.7°F
September 12 58.5°F57.9°F64.6°F
September 13 60.1°F57.7°F64.2°F
September 14 60.8°F57.9°F64.6°F
September 15 59.7°F57.4°F63.9°F
Day 2025 2024 Min Max
September 16 59.9°F57.4°F62.6°F
September 17 60.3°F57.2°F62.8°F
September 18 60.1°F57°F62.4°F
September 19 59.9°F56.3°F62.8°F
September 20 59.9°F56.5°F62.4°F
September 21 59.5°F56.7°F63.1°F
September 22 59.7°F57°F62.8°F
September 23 59.2°F56.3°F63.3°F
September 24 57.9°F56.5°F63°F
September 25 57.7°F56.3°F62.4°F
September 26 57.6°F55.8°F63.1°F
September 27 58.8°F56.3°F63.1°F
September 28 58.6°F56.5°F62.2°F
September 29 58.1°F56.7°F61.9°F
September 30 58.6°F56.7°F61.3°F
Popham Beach water temp chart in September

Average water temperature in Popham Beach in September over a decade

20152016201720182019
60.4°F61.2°F59°F61.5°F60.1°F
20202021202220232024
59.5°F62.2°F60.8°F61.3°F59.7°F

Popham Beach sea state in September

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

Popham 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
Georgetown59.9°F55.6°F66.9°F
Bailey Island60.6°F56.3°F67.5°F
Southport59.7°F55.4°F67.1°F
Freeport60.6°F56.1°F67.5°F
Casco Bay60.6°F56.5°F67.5°F
Pemaquid Beach59.5°F55.2°F66.6°F
Christmas Cove59.5°F55.2°F66.6°F
Gulf of Maine60.8°F56.7°F67.5°F
Yarmouth60.6°F56.3°F68.2°F
Bristol59.4°F55°F66.2°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 Popham 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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