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Boston Weather in September

Averages By Month

In September temperature highs in Boston reach a pleasant 73°F (23°C) - ideal for enjoying some great sightseeing. The sun still shines for 8 hours each day and it’s one of the least rainy months with only 6 rainy days on average. Temperature lows measure 58°F (14°C) and the Atlantic Ocean has a water temperature of 65°F (18°C).

When first visiting Boston, the amount of sights you want to see might seem overwhelming. But here is a great and compact guide on the absolute must sees. Besides the Boston attractions this also includes Cambridge, which is home to Harvard and MIT universities. In September Boston also hosts its Annual Film Festival as well as the Phantom Gourmet Food Festival.

High and Low Temperature in September °F

Precipitation days in September °F

Current Weather Boston

82°F clear sky
Local Time

Hourly 10 Days

Averages Boston

  J F M A M J J A S O N D

High °F

37° 39° 46° 57° 67° 77° 82° 81° 73° 62° 52° 42°

Low °F

22° 24° 31° 41° 50° 59° 66° 65° 58° 47° 38° 28°

Sun

5h 6h 7h 7h 9h 10h 10h 9h 8h 7h 5h 5h

Rain days

8 7 8 8 8 8 6 7 6 7 8 9

Snow inch

13 11 8 2 0 0 0 0 0 0 1 9

Boston Weather by Month

Best Time to Visit Boston

The best time to visit Boston is probably between May and October. You can expect highs in the 70s F (20s C). Summers are busier and more expensive but the lovely and warm weather will make your explorations of this great city even more enjoyable.

Early fall still offers great sightseeing conditions and is less crowded. Winters are very cold and snowy. It is the best time to visit if you are after some winter-snow-fun. But make sure to pack warmclothes and boots with temperatures hovering around the freezing point.

Things to do in Boston

If you still think of Boston as this very old fashioned place full of people with cylinder hats and snobbish students, you really must go and see for yourself that things have changed. Nowadays you will find a modern, happy and colorful city which still has a lot of history to offer too. Below you find a guide taking you through the historic Boston as well as its modern twists. Beacon Hill to Chinatown
Boston old house street
Bostona ariel view old town downtown buildings
Faneuil Hall to Harvard
Boston downtown aerial view skyscrapers water
Boston old town hall
‘Little Eataly’ to Paul Revere House
Boston common public park trees fall grass statue
Boston public library books lamps windows
Public Garden to Trinity Church

Boston Location

Other destinations by month



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