World sea water temperatures

Water temperature in Black River (MI) in September

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Is it warm enough to swim in Black River in September? Average water temperature in Black River in September is 64.9°F and therefore is not suitable for comfortable swimming. The warmest water in Black River in September is 72°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 Black River

Changes water temperature in Black River in September 2025, 2024

To get an accurate forecast for the water temperature in Black River for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Black River, 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 164.9°F69.8°F64.6°F72°F
September 265.5°F68.7°F64°F70.9°F
September 366°F68°F63.9°F70.3°F
September 465.5°F67.5°F63.3°F70.3°F
September 5 67.1°F62.8°F70.2°F
September 6 67.3°F63°F70.3°F
September 7 66°F62.8°F70.2°F
September 8 64.2°F62.4°F71.1°F
September 9 63.7°F62.4°F70.7°F
September 10 63.3°F63.3°F70°F
September 11 64.6°F62.1°F68.2°F
September 12 64.2°F60.6°F68.9°F
September 13 64.8°F59.5°F67.6°F
September 14 66.2°F59.7°F67.6°F
September 15 66.6°F59.9°F67.5°F
Day 2025 2024 Min Max
September 16 66.7°F59.5°F68.5°F
September 17 66.7°F59.4°F69.6°F
September 18 67.3°F58.6°F68.7°F
September 19 67.6°F57.2°F67.8°F
September 20 67.6°F56.8°F67.6°F
September 21 67.6°F56.5°F68°F
September 22 66.9°F55.8°F67.3°F
September 23 67.3°F56.3°F67.3°F
September 24 66.9°F56.8°F66.9°F
September 25 67.1°F56.8°F67.3°F
September 26 66.2°F57.2°F68.4°F
September 27 66.7°F57.9°F67.5°F
September 28 67.1°F58.5°F67.1°F
September 29 66.7°F58.3°F66.7°F
September 30 66.6°F57.4°F66.6°F
Black River water temp chart in September

Average water temperature in Black River in September over a decade

20152016201720182019
64.6°F66.9°F65.3°F66°F62.2°F
20202021202220232024
64°F66.6°F66.6°F64.8°F66.6°F

Black River sea state in September

Chart comparing the height of waves in Black River 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 Black River in September

Black River 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
Alcona65.1°F56.1°F71.8°F
Thunder Bay64.2°F55°F71.1°F
Harbor View63.1°F52.7°F70°F
Presque Isle Harbor63.1°F52.7°F70°F
Port Austin66.7°F59.2°F73.4°F
Rogers City63°F54.1°F69.8°F
Oak Beach66.9°F59°F74.1°F
Manitou Beach63°F54.7°F69.6°F
Caseville67.5°F59.4°F76.1°F
Evergreen Beach63°F54.9°F69.4°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 Black River 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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