Average Rainfall for Massachusetts in September





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

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: Cape Cod and Islands, Eastern , Central and Western Massachusetts.

Cape Cod and Islands

Average monthly precipitation in September
Days Place Inches Milli­metres
9 Chatham 3.8 97
9 Edgartown, Martha's Vineyard 3.7 94
7 Hyannis 3.5 89
Nantucket 4.0 103
Vineyard Haven, Martha's Vineyard 4.2 107

Eastern Massachusetts

September averages for total rainfall
Days Place Inches Milli­metres
9 Boston 3.4 87
9 Brockton 3.8 96
8 East Wareham 4.5 114
9 Great Blue Hill, Milton 4.1 103
10 Haverhill 4.1 103
9 Hingham 3.8 96
8 Marblehead 3.7 95
9 New Bedford 4.2 106
9 Newburyport 4.0 102
10 Plymouth 4.2 105
8 Taunton 4.0 101

Central Massachusetts

Average amount of rain in September
Days Place Inches Milli­metres
9 Amherst 4.2 106
10 Barre Falls Reservoir Dam 3.9 98
9 Buffumville Lake 3.9 99
9 East Brimfield Lake 3.8 96
8 Lowell 3.8 96
9 Tully Lake 3.8 96
10 Worcester 3.9 100

Western Massachusetts

Precipitation totals for September
Days Place Inches Milli­metres
11 Great Barrington 4.1 105
9 Knightville Reservoir Dam 4.2 106
10 Lanesboro 4.3 110
9 West Otis 4.1 105
11 Worthington 4.0 102
Reference

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

Massachusetts Precipitation
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