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Great Lakes water temperature in September

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In September sea water temperature in some cities on the Great Lakes coast is above 68°F and it is enough for comfortable bathing. The warmest average water temperature Great Lakes in September is 72.7°F (in Cleveland), and the coldest sea surface temperature is 59.7°F (in Duluth). To find out the water temperature today and in the coming days, go to Current water temperature of the Great Lakes

List of Great Lakes

Where you can swim in the Great Lakes in September?

This data on the average monthly surface water temperature on the Great Lakes coast in September. To see the details, select the country and then the city of your interest. Besides water temperature, you can also get information about the weather for today, tomorrow and the upcoming days, surf forecast, as well as the data on sunrise/sunset and moonrise/moonset at a given point on any given day.

 
2024
2023
2022
2021
2020
70°F
68°F
69.3°F
68.9°F
67.1°F
71.4°F
69.8°F
70.3°F
69.4°F
68.2°F
72°F
71.6°F
72°F
72.7°F
71.1°F
70.7°F
68.9°F
69.8°F
70.3°F
68.2°F
65.3°F
64.8°F
62.4°F
62.8°F
59.7°F
70.7°F
67.6°F
67.3°F
67.5°F
63.7°F
68.4°F
66.6°F
68.4°F
68.7°F
65.8°F
69.3°F
68.2°F
69.8°F
69.6°F
67.6°F
68.5°F
68.2°F
68.5°F
69.4°F
65.1°F

Countries bordering the Great Lakes

Water temps of the Great Lakes coast monthly

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

Can you swim in Great Lakes in September?

Places with the warmest average water temperature in Great Lakes in September. Also indicated are the maximum and minimum temperatures in September for these locations based on observations over the past 10 years

AvrMinMax
Cedar Point72°F63.7°F78.1°F
Sandusky72°F63.7°F78.1°F
Bay Village72°F64.9°F78.1°F
Rocky River72°F64.9°F78.1°F
Huron71.8°F63.1°F77.9°F

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Our report for Great Lakes 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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