Average Rainfall for Connecticut in September





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

Each place has a total for the amount of precipitation it usually receives this month. Most places also have information on the number of days with wet weather. This 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 places in Coastal Connecticut and Inland Connecticut.

Coastal Connecticut

Average monthly precipitation in September
Days Place Inches Milli­metres
8 Bridgeport 3.5 88
9 Groton 4.2 106
New Haven 4.4 111
New London 4.0 102
9 Norwich 4.6 116
10 Stamford 4.9 124

Inland Connecticut

September averages for total rainfall
Days Place Inches Milli­metres
9 Burlington 4.8 123
9 Danbury 4.7 118
10 Hartford 3.9 99
9 Mansfield Hollow Lake 4.1 104
10 Middletown 3.7 94
11 Norfolk 4.4 111
9 West Thompson Lake 3.6 92
9 Woodbury 4.6 116
Reference

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

Connecticut Precipitation
Back to Top