Temperature in Michigan in September

Daytime highs, nighttime lows and the warmest cities in Michigan, the United States of America this September.

Michigan, the United States of America, a region in the United States of America, experiences maximum daytime temperatures in September ranging from 20°C (68°F) in Ironwood to 24°C (75°F) in Dearborn. Nighttime temperatures generally drop to 13°C (55°F) in Dearborn and 8°C (46°F) in Ironwood.

What is the temperature of the different cities in Michigan, the United States of America in September?

Discover the typical September temperatures for the most popular locations of Michigan on the map below. Detailed insights are just a click away.

Select a Month

Check the conditions for any month of the year.

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For a detailed overview over the year and the best time to visit Michigan, check out our Michigan's climate page.

See also: Michigan weather by month.

Best Places to Visit in Michigan in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Michigan.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in September: blue is cold, red is hot.

See all September weather averages, cities and regions in Michigan

Michigan temperatures in September: frequently asked questions

How hot does it get in Michigan, the United States of America in September?

Average daytime highs in Michigan, the United States of America during September reach about 20°C (68°F) in Mackinaw City.

How cold does it get at night in Michigan, the United States of America in September?

Average overnight lows in Michigan, the United States of America during September sit near 10°C (50°F) in Mackinaw City.

What is the warmest city in September in Michigan, the United States of America?

Dearborn tops the warmest city list in our database with average maximum daytime temperatures around 24°C (75°F) and a minimum nighttime temperature of around 13°C (55°F).

What is the coldest city in September in Michigan, the United States of America?

Our database indicates that in September, Ironwood is the city with the coolest temperatures in Michigan, the United States of America. You can expect daytime highs of 20°C (68°F) and nighttime lows close to 8°C (46°F).

Interested in more climate information?

We have much more information about the climate in Michigan.

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