Average Temperatures for Massachusetts in September

Average temperatures for September at cities, towns and lakes throughout Massachusetts are listed below in degrees Fahrenheit and Celsius.

You can jump to a separate table for each region of the state: Cape Cod and Islands, Eastern , Central and Western Massachusetts.

The tables give the normals for maximum and minimum temperatures based on weather data collected from 1991 to 2020 by the US National Centers for Environmental Information.

Cape Cod and Islands

Average September temperatures
High °F Low °F Place High °C Low °C
70 58 Chatham 21 15
74 58 Edgartown 23 15
71 57 Hyannis 22 14
70 57 Nantucket 21 14
73 52 Vineyard Haven, Martha's Vineyard 23 11

Eastern Massachusetts

Average daily temperatures in September
High °F Low °F Place High °C Low °C
73 58 Boston 23 15
75 54 Brockton 24 12
73 55 East Wareham 23 13
72 55 Great Blue Hill, Milton 22 13
74 51 Haverhill 23 11
74 55 Hingham 23 13
72 53 Marblehead 22 12
75 59 New Bedford 24 15
76 57 Plymouth 24 14
75 54 Taunton 24 12

Central Massachusetts

September temperatures: daily averages
High °F Low °F Place High °C Low °C
74 50 Amherst 24 10
75 48 Barre Falls Reservoir Dam 24 9
74 51 Buffumville Lake 23 11
72 52 East Brimfield Lake 22 11
76 52 Lowell 24 11
75 52 Tully Lake 24 11
75 51 Westfield 24 11
71 53 Worcester 22 12

Western Massachusetts

Average September temperatures
High °F Low °F Place High °C Low °C
72 48 Lenox Dale 22 9
72 49 North Adams 22 9
70 49 Pittsfield 21 9
71 47 Worthington 22 8
Reference

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

Massachusetts Temperatures
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