World Resorts USA Brattleboro Weather

Brattleboro weather in September

Weather in Brattleboro: September

Average day temperature: 68.3°F
Average night temperature: 53.3°F
Number of sunny days: 11 days
Day length: 11.8 - 13.2 hours
Number of rainy days: 2 days
Precipitation totals: 1.0 in.

Air temperature in September, °F

Show year:
2025
2024
2023

The highest day temperature during September of 2025 was 81°F. At the same time the lowest night temperature was 39°F. Daily and nightly averages during September were 71.5°F and 52.9°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in September is almost equal.

Precipitation total in September, in.

Precipitation total value in Brattleboro in September is 1.0 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 4.6 mph It makes September one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 6.9.

Best time for vacation in Brattleboro

Sunniest months:
October 12 days
November 12 days
September 11 days
Warmest months:
July 77.6 °F
August 75.1 °F
June 72.2 °F
Coldest months:
January 28.3 °F
February 30.1 °F
December 34.4 °F
Rainiest months:
July 5 days
August 4 days
June 3 days
Windiest months:
March 7.6 mph
April 7.3 mph
February 7.0 mph

Brattleboro on a weather map

Brattleboro
+34°F
N 4 mph
Feels like: +28°F
Precip.: 100%
Places in USA:
Name
°F
+37°F
+73°F
+73°F
+59°F
+59°F
+70°F
+75°F
+68°F
+36°F
+61°F
+57°F
+66°F
+64°F
+70°F
+39°F
24 Hours Forecast
Brattleboro
Local time: 23:10
December 24, wednesday
0000
34°F
N
4 mph
0300
32°F
E
6 mph
0600
32°F
E
16 mph
0900
34°F
SE
15 mph
1200
34°F
SE
14 mph
1500
32°F
S
11 mph
1800
32°F
SE
3 mph
2100
25°F
SE
2 mph
Units of measurement: °C / °F