World sea water temperatures

Water temperature in Rowleys Bay (WI) in September

Is it warm enough to swim in Rowleys Bay in September? Average water temperature in Rowleys Bay in September is 64.2°F and therefore is not suitable for comfortable swimming. The warmest water in Rowleys Bay in September is 71.4°F, and the coldest is 54.7°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Rowleys Bay

Changes water temperature in Rowleys Bay in September 2025, 2024

To get an accurate forecast for the water temperature in Rowleys Bay for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Rowleys Bay, 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 167.1°F69.3°F63.3°F71.4°F
September 268°F67.6°F64.4°F71.1°F
September 367.5°F68°F63.1°F70.9°F
September 466.6°F66.4°F63.9°F70.2°F
September 5 68°F63.3°F69.8°F
September 6 67.5°F63.1°F69.4°F
September 7 66.9°F59°F69.6°F
September 8 66.6°F60.1°F68.7°F
September 9 64.2°F63.7°F65.8°F
September 10 64.8°F64°F68.2°F
September 11 64.6°F64.2°F64.9°F
September 12 63.7°F60.4°F67.8°F
September 13 65.1°F59.2°F67.6°F
September 14 66.4°F58.6°F68.2°F
September 15 66°F58.5°F66.9°F
Day 2025 2024 Min Max
September 16 67.5°F57.4°F67.5°F
September 17 67.5°F56.7°F68.5°F
September 18 67.5°F56.7°F67.5°F
September 19 68.4°F59.7°F68.4°F
September 20 68.5°F59.4°F68.5°F
September 21 67.8°F54.7°F67.8°F
September 22 67.3°F58.5°F67.3°F
September 23 67.6°F56.1°F67.6°F
September 24 67.1°F56.1°F67.1°F
September 25 67.1°F57°F67.1°F
September 26 66.7°F61.2°F66.7°F
September 27 67.5°F57.9°F67.5°F
September 28 68°F58.6°F68°F
September 29 67.6°F58.1°F67.6°F
September 30 67.6°F57.9°F67.6°F
Rowleys Bay water temp chart in September

Average water temperature in Rowleys Bay in September over a decade

20152016201720182019
64°F66.7°F64.9°F65.3°F61.7°F
20202021202220232024
61.9°F66.6°F66°F63.1°F66.9°F

Rowleys Bay 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
Fish Creek65.1°F55.8°F71.2°F
Cave Point64.4°F54.1°F71.4°F
Menominee65.1°F56.3°F71.6°F
Sturgeon Bay64°F54.1°F70.9°F
Little Sturgeon Bay65.7°F56.5°F72°F
Escanaba64.8°F57.2°F72.1°F
Gladstone64.9°F57.4°F72.3°F
Garden64.6°F56.8°F70.9°F
Oconto66.2°F57.7°F73°F
Sleeping Bear65.5°F58.5°F71.8°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 Rowleys Bay 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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