Average Rainfall for Ohio in September





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

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 Northern Ohio and Southern Ohio.

Northern Ohio

Average monthly precipitation in September
Days Place Inches Milli­metres
10 Akron 3.5 88
11 Ashtabula 4.3 109
10 Chippewa Lake 3.4 86
10 Cleveland 3.8 97
9 Findlay 2.7 69
9 Lima 3.0 76
10 Mansfield 3.3 84
8 Ottawa National Wildlife Refuge 3.0 76
10 Painesville on the Lake 4.1 103
8 Put-in-Bay 3.0 75
9 Sandusky 3.1 78
10 Steubenville 3.6 92
10 Toledo 2.8 71
11 Youngstown 3.8 95

Southern Ohio

September averages for total rainfall
Days Place Inches Milli­metres
8 Athens 2.8 72
6 Chilo Lock Park 2.7 69
11 Cincinnati 2.8 72
8 Columbus 2.8 72
7 Dayton 2.7 69
9 Gallipolis 3.2 81
8 Hannibal Lock & Dam 3.1 79
Hopewell Culture Historical Park 2.9 73
10 Marietta 3.2 81
8 McConnelsville Lock 3.2 81
8 Newark 3.0 76
8 Portsmouth 2.7 68
9 Wilmington 2.9 72
Reference

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

Ohio Precipitation
Back to Top