Average Temperatures for Michigan in September





Average temperatures for September at cities, towns and parks throughout Michigan are listed below in degrees Fahrenheit and Celsius.

You can jump to a separate table for each region of the state: The Thumb & Southeast Michigan, West & Mid-Michigan, Northern Michigan and Upper Peninsula.

The tables give the normals for maximum and minimum temperatures based on weather data collected from 1991 to 2020 by the US National Centers for Environmental Information.

The Thumb & Southeast Michigan

Average September temperatures
High °F Low °F Place High °C Low °C
76 51 Adrian 24 11
75 52 Ann Arbor 24 11
74 52 Bay City 23 11
75 53 Dearborn 24 12
74 56 Detroit 24 13
73 50 Flint 23 10
70 52 Harbor Beach 21 11
73 52 Midland 23 11
75 54 Monroe 24 12
74 51 Mount Pleasant 23 11
73 57 Port Huron 23 14
74 52 Saginaw 24 11

West & Mid-Michigan

Average daily temperatures in September
High °F Low °F Place High °C Low °C
74 51 Battle Creek 24 11
74 52 Benton Harbor 23 11
74 53 Grand Rapids 23 12
74 52 Holland 23 11
74 52 Jackson 23 11
74 53 Kalamazoo 23 11
74 52 Lansing 23 11
73 54 Muskegon 23 12
76 53 Niles 24 12

Northern Michigan

September temperatures: daily averages
High °F Low °F Place High °C Low °C
71 47 Alpena 22 8
70 48 Cadillac 21 9
70 50 Cheboygan 21 10
72 49 East Tawas 22 10
69 54 Frankfort 21 12
68 46 Gaylord 20 8
67 50 Harrisville 19 10
71 46 Houghton Lake 22 8
71 50 Ludington 21 10
69 51 Petoskey 21 11
68 52 St James, Beaver Island 20 11
72 52 Traverse City  22 11

Upper Peninsula

Average September temperatures
High °F Low °F Place High °C Low °C
69 43 Champion Van Riper Park 20 6
66 51 De Tour Village 19 11
68 49 Escanaba 20 9
68 50 Grand Marais 20 10
70 47 Iron Mountain 21 8
67 46 Ironwood 19 8
66 50 Manistique 19 10
67 52 Marquette 20 11
65 49 Munising 18 9
68 49 Sault Ste Marie 20 9
68 43 Tahquamenon Falls Park 20 6
67 51 Whitefish Point 19 10
Reference

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

Michigan Temperatures
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