Average Rainfall for Wisconsin in September





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

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: Eastern Wisconsin, Southwest Wisconsin, Northern Wisconsin and the Lake Superior Shore.

Eastern Wisconsin

Average monthly precipitation in September
Days Place Inches Milli­metres
10 Appleton 3.2 81
10 Crivitz, High Falls Flowage 3.7 94
9 Fond du Lac 3.4 87
10 Green Bay 3.0 77
9 Kenosha 3.5 88
10 Lake Geneva 3.5 89
9 Manitowoc 3.1 78
11 Marinette 3.3 85
9 Milwaukee 3.2 81
10 Oshkosh 3.3 84
10 Racine 3.7 93
10 Sheboygan 3.3 83
11 Sturgeon Bay 3.4 85
9 Washington Island 3.3 83

Southwest Wisconsin

September averages for total rainfall
Days Place Inches Milli­metres
10 Beaver Dam 3.5 89
8 Beloit 3.7 93
10 La Crosse 3.6 90
9 Madison 3.1 80
8 Prairie du Chien 3.2 81
9 Viroqua 3.8 97
9 Wisconsin Dells 3.5 89
11 Wisconsin Rapids 3.5 90

Northern Wisconsin

Average amount of rain in September
Days Place Inches Milli­metres
11 Drummond 4.4 111
12 Eau Claire 3.7 93
12 Park Falls 4.1 103
11 Rest Lake, Manitowish Waters 3.8 96
12 Rhinelander 4.2 107
11 Rice Lake 3.9 98
9 River Falls 3.7 93
10 St Croix Falls 3.8 95
12 Wausau 3.9 99
11 Willow Reservoir 4.0 100

Lake Superior Shore

Precipitation totals for September
Days Place Inches Milli­metres
Ashland 3.9 98
14 Bayfield 3.7 94
10 Madeline Island 3.8 96
11 Superior 4.1 104
Reference

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

Wisconsin Precipitation
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