Massachusetts weather in September 2022

  • 23°C maximum daytime temperature in September in Massachusetts (Boston)23
    23°C max day temperature
  • 8 hours of sunshine per day
  • 8 days with some rainfall in September in Massachusetts (Boston)8
    8 days with some rainfall
  • 12°C minimum night-time temperature in September in Massachusetts (Boston)12
    12°C min night temperature
  • 12 hours of daylight per day in September in Massachusetts (Boston)12
    12 hours of daylight per day
  • No heat & humidity in September in Massachusetts (Boston)0
    No heat & humidity
  • 82 mm monthly rainfall in September in Massachusetts (Boston)82
    82 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in Massachusetts (Boston)6
    6 (High) UV index
  • 16°C sea temperature in September in Massachusetts (Boston)16
    16°C sea temperature

Below are average maximum temperatures at popular destinations in Massachusetts in September. Select a destination to see more weather parameters.

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Recommended for Massachusetts

The September weather guide for Massachusetts (Boston) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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Metric (°C / mm)  |  Imperial (°F / inches)

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More about the USA

How hot is it in Massachusetts in September?

Daytime temperatures usually reach 23°C in Boston, Massachusetts in September, falling to 12°C at night.

How sunny is it in Massachusetts in September?

There are normally 8 hours of bright sunshine each day in Boston, Massachusetts in September - that's 61% of daylight hours.

How warm is the sea around Massachusetts in September?

The average sea temperature around Boston, Massachusetts in September is 16°C.

Does it rain in Massachusetts in September?

There are usually 8 days with some rain in Boston, Massachusetts in September and the average monthly rainfall is 82mm.

What is the chance of a hurricane in Massachusetts in September?

On average less than 1 day in September in Boston, Massachusetts is likely to be affected by the passage of one or more tropical storms.

Massachusetts September sunrise & sunset times

Browse the sunrise and sunset times for Massachusetts in September 2022. Select a month to view Massachusetts sunrise and sunset times for the next 12 months. The Massachusetts sunrise and sunset times shown below are for Boston.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st September 2022 06:09 19:18
Thursday, 15th September 2022 06:24 18:54
Friday, 30th September 2022 06:40 18:27

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