In Boston during September average daily high temperatures decrease from 76°F to 67°F and it is overcast or mostly cloudy about 37% of the time.

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

September usually starts out warm in Boston but can end a bit on the cool side. Daytime high temperatures tend to average in mid to upper 70s F (about 25 C) ...

The average temperature for Boston in September sees a high of 22.4°C, with an average low of 14.1°C, a 25 per cent fall on August. The average daily ...

Get the monthly weather forecast for Boston, MA, including daily high/low, historical averages, to help you plan ahead.

Usually every day in September warms to over 60 degrees Fahrenheit (16 degrees Celsius) in Boston. The city averages 1 day this month when the thermometer ...

September has an average temperature of 14°C at night that increases to 18°C at peak times of the day. Winds can travel as fast as 8mph with humidity levels of ...

In Northampton during September average daily high temperatures decrease from 78°F to 67°F and it is overcast or mostly cloudy about 37% of the time.

The weather in Boston is forever changing. Find typical weather information for all four seasons, including average temperatures and a seven-day forecast.