Average Rainfall for Ohio in September





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

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 Northern Ohio and Southern Ohio.

Northern Ohio

Average monthly precipitation in September
Days Place Inches Milli­metres
10 Akron 3.5 89
14 Ashtabula 3.9 98
11 Chardon 4.5 115
10 Chippewa Lake 3.4 86
10 Cleveland 3.9 100
9 Findlay 2.9 74
9 Fremont 3.2 82
9 Lima 3.2 81
10 Mansfield 3.4 85
10 Marion 3.3 85
10 New Philadelphia 3.4 87
9 Norwalk 3.6 90
8 Ottawa National Wildlife Refuge 3.0 76
9 Painesville on the Lake 3.9 99
10 Steubenville 3.8 97
9 Tiffin 3.3 84
9 Toledo 2.9 74
9 Wooster 3.6 91
10 Youngstown 3.8 98

Southern Ohio

September averages for total rainfall
Days Place Inches Milli­metres
9 Athens 3.2 81
7 Chilo Lock Park 2.8 71
8 Cincinnati 3.1 79
9 Columbus 3.1 80
8 Dayton 3.0 77
9 Gallipolis 3.8 95
8 Greenville 2.8 70
8 Hannibal Lock & Dam 3.7 94
10 Marietta 3.4 86
9 McConnelsville Lock 3.4 87
9 Newark 3.2 82
8 Portsmouth 3.3 84
9 Springfield 3.4 86
10 Wilmington 3.0 75
9 Zanesville 3.1 79
Reference

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

Ohio Precipitation
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