World Resorts USA Nashua Weather

Nashua weather in September

Weather in Nashua: September

Average day temperature: 73.0°F
Average night temperature: 57.9°F
Number of sunny days: 13 days
Day length: 11.8 - 13.2 hours
Number of rainy days: 2 days
Precipitation totals: 0.9 in.

Air temperature in September, °F

Show year:
2025
2024
2023

The highest day temperature during September of 2025 was 84°F. At the same time the lowest night temperature was 41°F. Daily and nightly averages during September were 73.6°F and 56.3°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are sunny but cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Nashua in September is 0.9 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 5.5 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: 7.2.

Best time for vacation in Nashua

Sunniest months:
November 16 days
September 13 days
October 13 days
Warmest months:
July 82.3 °F
August 80.2 °F
June 76.7 °F
Coldest months:
January 34.1 °F
February 35.5 °F
December 39.2 °F
Rainiest months:
April 3 days
July 3 days
August 2 days
Windiest months:
March 8.0 mph
April 7.7 mph
January 7.6 mph

Nashua on a weather map

Nashua
+12°F
SE 9 mph
Feels like: +1°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+77°F
+77°F
+45°F
+55°F
+70°F
+77°F
+70°F
+25°F
+57°F
+48°F
+63°F
+63°F
+46°F
+9°F
24 Hours Forecast
Nashua
Local time: 23:01
December 05, friday
0000
12°F
SE
9 mph
0300
7°F
SE
7 mph
0600
5°F
E
6 mph
0900
12°F
E
2 mph
1200
21°F
NE
5 mph
1500
25°F
NE
9 mph
1800
23°F
E
2 mph
2100
21°F
N
4 mph
Units of measurement: °C / °F