Massachusetts in september: average Weather, Temperature and Climate
Weather in Massachusetts in september 2025
The weather in Massachusetts in the month of september comes from statistical datas on the last years. You can view the weather statistics for the whole month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
perfect weather UV index: 6
Weather at 6am
63°F
Clear/Sunny
45% of time
26%
13%
9%
Weather at 12pm
76°F
Clear/Sunny
48% of time
27%
16%
7%
Weather at 6pm
67°F
Clear/Sunny
50% of time
23%
11%
8%
Weather at 3am
61°F
39%
21%
18%
12%
Evolution of daily average temperature and precipitation in Massachusetts in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Massachusetts in september.
The climate of Massachusetts in september is perfect
The climate in september in Massachusetts is rather dry (with 2.1in of rainfall over 3 days). The weather is better from the previous month since in august it receives an average of 3.1in of rainfall over 5 days.
The climate enjoyable around this city this month. Temperatures are up to 77°F. In the morning the temperature drops to 63°F. Thus, the mean temperature average on this month of september in Massachusetts is 70°F. Note that these seasonal averages are in contrast with those observed in Massachusetts in the month of september with a maximum record of 95°F in 2015 and a minimum record of 45°F in 2014. You can plan to have about 4 days with temperatures up to 86°F, or 13 of the month.
On average, in Massachusetts, the days of september last 12:29. Sunrise is at 05:26 and sets at 17:55.
With good weather conditions, the month of september is recommended to go in Massachusetts.
Seasonal average climate and temperature of Massachusetts in september
Check below seasonal norms These datas are set from the weather statements of the last years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 70°F | ||||
| Highest temperature | 77°F | ||||
| Lowest temperature | 63°F | ||||
| Highest record temperature | 95°F (2015) | ||||
| Lowest record temperature | 45°F (2014) | ||||
| Number of days at +86°F | 4 day(s) (13%) | ||||
| Number of days at +65°F | 28 day(s) (93%) | ||||
| Wind | |||||
| Wind speed | 14km/h | ||||
| Wind temperature | 61°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 2.1in | ||||
| Number of days with rainfall | 3 day(s) (9%) | ||||
| Record daily rainfall | 2in (2015) | ||||
| Snowfall | 0cm | ||||
| Other climate data | |||||
| Humidity | 84% | ||||
| Visibility | 8.92km | ||||
| Cloud cover | 35% | ||||
| UV index | 6 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:26 | ||||
| Time of sunset | 17:55 | ||||
| Length of day | 12:29 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | perfect | ||||
How was the weather last september?
Here is the day by day recorded weather in Massachusetts in september 2024:
67°F to 76°F
61°F to 77°F
50°F to 72°F
52°F to 79°F
56°F to 77°F
54°F to 76°F
58°F to 72°F
49°F to 68°F
52°F to 74°F
54°F to 76°F
50°F to 77°F
54°F to 81°F
58°F to 86°F
59°F to 81°F
59°F to 79°F
54°F to 79°F
56°F to 81°F
59°F to 76°F
61°F to 65°F
63°F to 67°F
58°F to 59°F
56°F to 61°F
58°F to 63°F
52°F to 61°F
56°F to 61°F
58°F to 65°F
58°F to 63°F
54°F to 67°F
54°F to 61°F
58°F to 67°F
Map: other cities in the United States (USA) in september
Cities near Massachusetts:
| Boston in september | good weather |
| Hampton Beach in september | good weather |
| Rhode Island in september | perfect weather |
| Provincetown in september | good weather |
| Cape Cod National Seashore in september | good weather |
| Old Orchard Beach in september | good weather |
| Connecticut in september | good weather |
| Nantucket Island (Massachusetts) in september | good weather |
| Albany in september | good weather |
| Vermont in september | good weather |
| Brooklyn in september | good weather |
| New York City in september | good weather |
Click over cities on the map for information about the weather in september.
Massachusetts
perfect weather
good
tolerable
bad
very bad
Weather data for Massachusetts in september:
Weather data for Massachusetts for september are derived from an average of the weather forecast since 2009 in Massachusetts. There is a margin of error and these forecasts are to be considered as general information only. The weather in Massachusetts can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Massachusetts.