Average Rainfall for Minnesota in September





The tables below give monthly averages for rainfall during September at cities, towns and parks in Minnesota.

Each place has a total for the amount of precipitation it usually receives this month. Most sites also have information on the number of days with wet weather. That includes the days when precipitation amounts to 0.01 inches (0.25 millimetres) or more.

The rainfall totals are averages based on weather data collected from 1981 to 2010 for the NOAA National Climatic Data Center.

You can jump to a separate table for each region of the state: Southern, Northeastern and Northwestern Minnesota.

Southern Minnesota

Average monthly precipitation in September
Days Place Inches Milli­metres
9 Albert Lea 3.6 91
9 Faribault 3.4 87
9 Mankato 3.2 82
10 Minneapolis 3.1 78
10 Pipestone 3.2 82
9 Redwood Falls 3.0 77
10 Rochester 3.5 88
10 St. Paul 3.5 89
10 Winona 3.9 100
9 Worthington 3.3 83

Northeastern Minnesota

September averages for total rainfall
Days Place Inches Milli­metres
11 Big Sandy Lake Dam 3.4 86
12 Duluth 4.1 104
10 Grand Marais 3.0 76
Grand Portage 3.5 89
12 Grand Rapids 3.3 84
10 Gunflint Lake 3.3 85
12 Hibbing 3.1 78
12 International Falls 3.0 76
13 Two Harbors 4.1 103
Wild River State Park 3.8 97

Northwestern Minnesota 

Average amount of rain in September
Days Place Inches Milli­metres
9 Agassiz Wildlife Refuge 2.6 67
9 Alexandria 2.9 74
Bemidji 3.1 79
10 Brainerd 3.2 81
10 Detroit Lakes 3.6 91
10 Moorhead 2.9 75
10 St. Cloud 3.5 88
10 Warroad 2.8 70
Waskish 2.9 75
Reference

National Climatic Data Center. NOAA's 1981-2010 Climate Normals.

Minnesota Precipitation
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