Michigan weather in September 2021

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Below are average maximum temperatures at popular destinations in Michigan in September. Select a destination to see more weather parameters.

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The September weather guide for Michigan shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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How hot is it in Michigan in September?

Daytime temperatures usually reach 23°C in Detroit, Michigan in September, falling to 13°C at night.

How sunny is it in Michigan in September?

There are normally 7 hours of bright sunshine each day in Detroit, Michigan in September - that's 54% of daylight hours.

How warm is the sea around Michigan in September?

The average sea temperature around Detroit, Michigan in September is 20°C.

Does it rain in Michigan in September?

There are usually 10 days with some rain in Detroit, Michigan in September and the average monthly rainfall is 73mm.

Michigan sunrise & sunset times for September 2021

Browse the sunrise & sunset times for Michigan in September 2021. Select a month to view Michigan sunrise & sunset times for the next twelve months. The Michigan sunrise & sunset times shown below are for Detroit.


Date Sunrise times Sunset times
Wednesday, 1st September 2021 06:58 20:06
Wednesday, 15th September 2021 07:12 19:41
Thursday, 30th September 2021 07:29 19:15
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Metric (°C / mm)  |  Imperial (°F / inches)

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