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September Rainfall Precipitation in Massachusetts

Massachusetts is a region in the United States of America. In September precipitation ranges from moderate in Provincetown with 74 mm of rainfall to high in Greenfield with 122 mm of rainfall. It is the driest month of the year.

Where and how much does it rain in Massachusetts in September?

Find the average total precipitation in September for the most popular destinations in Massachusetts on the map below. Click on a destination dot for more detailed information.

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Legend heavy rainfall high moderate low almost none
Heavy rainfall has been defined as more than 160 mm precipitation. High: 90 mm to 160 mm. Moderate: 30 mm to 90 mm. Low: 5 mm to 30 mm.

  • How much rainfall does Massachusetts receive in September?
  • During September, Boston often sees a mix of wet and dry days, with an average rainfall of around 79 mm. Looking at the climate data spanning the last 30 years, this month usually has the lowest rainfall.

  • What is the wettest city in September in Massachusetts?
  • Our data indicates that Greenfield holds the record for the most average rainfall with 122 mm.

  • What is the driest city in September in Massachusetts?
  • The driest place is Provincetown with an average precipitation of 74 mm according to our data.

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