Boston weather by month › September
Boston in September: weather and what to expect
Yes. September is one of the best months to visit Boston.
September weather in Boston
Daytime high76°F 24°C
Night low55°F 13°C
Rain3.6 in 92 mm
AirComfortable
SunSunny
In September, Boston averages highs of 76°F (24°C) and lows of 55°F (13°C), with 3.6 in (92 mm) of rain. The air feels comfortable and the sun is sunny. 1991–2020 averages, not a forecast.
Pack: light layers.
Places with the same weather in September
Match out of 100 for September, one city per country.
- Lyon France · 74°F highs94
- Tongchuan China · 74°F highs93
- Santo André Brazil · 74°F highs92
- Hamilton Canada · 73°F highs92
- Gustavo Adolfo Madero Mexico · 77°F highs90
- Milan Italy · 76°F highs90
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