Average Rainfall for Michigan in September





The tables below give monthly averages for rainfall during September at cities, communities and other locations around Michigan.

Each place has a total for the amount of precipitation it usually receives this month. There is also a count of the number of days with wet weather, when precipitation amounts to 0.01 inches (0.25 millimetres) or more.

The rainfall totals are averages based on weather data collected from 1991 to 2020 for the US National Centers for Environmental Information.

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 Thumb & Southeast Michigan

Average monthly precipitation in September
Days Place Inches Milli­metres
9 Adrian 3.3 84
11 Ann Arbor 3.2 81
8 Bay City 3.2 82
9 Dearborn 3.0 76
10 Detroit 3.2 82
10 Flint 2.9 74
10 Harbor Beach 3.2 81
10 Midland 2.8 72
10 Port Huron 3.3 84
9 Saginaw 2.7 68

West & Mid-Michigan

September averages for total rainfall
Days Place Inches Milli­metres
10 Battle Creek 3.1 78
12 Benton Harbor 3.6 92
10 Grand Rapids 3.4 87
11 Holland 3.0 75
10 Jackson 3.0 76
10 Lansing 2.8 71
9 Muskegon 3.3 83
10 Niles 3.5 89

Northern Michigan

Average amount of rain in September
Days Place Inches Milli­metres
11 Alpena 2.8 72
12 Cadillac 3.2 80
13 Cheboygan 3.4 85
10 East Tawas 2.9 74
11 Frankfort 3.8 95
11 Gaylord 3.7 95
11 Harrisville 2.8 71
10 Houghton Lake 2.7 69
12 Petoskey 3.6 90
13 Traverse City  3.4 86

Upper Peninsula

Precipitation totals for September
Days Place Inches Milli­metres
11 De Tour Village 3.6 92
11 Escanaba 3.2 82
12 Iron Mountain 2.9 75
14 Ironwood 3.8 98
13 Marquette 3.3 85
14 Munising 4.2 108
13 Sault Ste Marie 3.9 100
15 Whitefish Point 3.8 96
Reference

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

Michigan Precipitation
Back to Top