Detroit weather in September

Long-run climate averages for Detroit, MI in September, plus what the forecast models say for the days ahead.

September at a glance

In September, Detroit averages 75°F by day and 60°F at night. The wettest month is usually April.

September in Detroit averages a daytime high of 75°F and an overnight low of 60°F, which reads as warm for this part of the world. Across the whole year Detroit sees roughly 38 inches of precipitation.

Climate averages tell you what to pack. They do not tell you what next Tuesday looks like — for that, see the live Detroit forecast with every model compared and how much they currently agree.

Detroit weather by month

what to expect in Detroit through the year

Here is Detroit's typical weather in each month: the average daytime high and overnight low in °F, how each month feels, and the wettest month marked. Use it to plan any trip to Detroit by season.

Jan

35°

25°

Cold

Feb

43°

26°

Cool

Mar

47°

31°

Cool

Apr

59°

41°

Mild

Wettest

May

71°

51°

Mild

Jun

79°

61°

Warm

Jul

82°

65°

Warm

Aug

79°

63°

Warm

Sep

75°

60°

Warm

Oct

63°

48°

Mild

Nov

50°

37°

Cool

Dec

41°

32°

Cool

Common questions

How warm is Detroit in September?

Detroit averages a daytime high of 75°F in September, with overnight lows around 60°F. These are long-run climate averages, not a forecast — for the actual days ahead see the live model comparison.

Is September a good time to visit Detroit?

The most comfortable time to visit Detroit is usually May, September and October, when daytime highs sit in the pleasant 60-78°F range and the heaviest April rain is behind you.

Does it rain a lot in Detroit in September?

The wettest month in Detroit is usually April. Across the year the city sees roughly 38 inches of precipitation.

Detroit in other months

January February March April May June July August October November December

More about Detroit

Detroit live forecast Best time to visit Detroit Which forecast is most accurate in United States?