Temperature in Massachusetts in September

Daytime highs, nighttime lows and the warmest cities in Massachusetts, the United States of America this September.

Massachusetts, the United States of America, a region in the United States of America, experiences maximum daytime temperatures in September ranging from 21°C (70°F) in Florida to 25°C (77°F) in Springfield. Nighttime temperatures generally drop to 12°C (54°F) in Springfield and 10°C (50°F) in Florida.

What is the temperature of the different cities in Massachusetts, the United States of America in September?

Explore the map below to discover average September temperatures at the top destinations in Massachusetts. For a deeper dive, simply click on any destination dot.

Select a Month

Check the conditions for any month of the year.

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For a detailed overview over the year and the best time to visit Massachusetts, check out our Massachusetts's climate page.

See also: Massachusetts weather by month.

Best Places to Visit in Massachusetts in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Massachusetts.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in September: blue is cold, red is hot.

See all September weather averages, cities and regions in Massachusetts

Massachusetts temperatures in September: frequently asked questions

How hot does it get in Massachusetts, the United States of America in September?

Expect daytime temperatures around 24°C (75°F) in Boston. That makes September a high month for Massachusetts, the United States of America.

How cold does it get at night in Massachusetts, the United States of America in September?

After dark, Boston cools to about 15°C (59°F) on an average September night.

What is the warmest city in September in Massachusetts, the United States of America?

From a thorough analysis of our records, Springfield clearly dominates in terms of high temperatures. The city witnesses daytime temperatures hovering around 25°C (77°F), and evenings that remain near 12°C (54°F).

What is the coldest city in September in Massachusetts, the United States of America?

In our database, Florida is the chilliest city in September in Massachusetts, the United States of America. Daytime temperatures typically peak at 21°C (70°F), while the nighttime lows hover around 10°C (50°F).

How much sun does Massachusetts, the United States of America get in September?

Boston usually sees around 238 hours of sunlight, indicating many sunny days.

What is the water temperature in September?

The water temperature averages approximately 18°C (64°F) in Boston this month, still a bit cool to swim, though some enjoy a refreshing dip.

Interested in more climate information?

We have much more information about the climate in Massachusetts.

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