World Resorts USA Galena Weather

Galena weather in September

Weather in Galena: September

Average day temperature: 75.6°F
Average night temperature: 57.7°F
Number of sunny days: 17 days
Day length: 11.8 - 13.1 hours
Number of rainy days: 2 days
Precipitation totals: 0.8 in.

Air temperature in September, °F

Show year:
2025
2024
2023

The highest day temperature during September of 2025 was 88°F. At the same time the lowest night temperature was 39°F. Daily and nightly averages during September were 76.6°F and 55.5°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 Galena in September is 0.8 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 8.1 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: 8.9.

Best time for vacation in Galena

Sunniest months:
September 17 days
October 16 days
August 13 days
Warmest months:
July 80.5 °F
August 80.5 °F
June 77.6 °F
Coldest months:
January 26.1 °F
February 29.7 °F
December 34.4 °F
Rainiest months:
May 4 days
June 3 days
July 2 days
Windiest months:
March 10.9 mph
April 10.8 mph
November 9.9 mph

Galena on a weather map

Galena
+45°F
NW 8 mph
Feels like: +39°F
Precip.: 0%
Places in USA:
Name
°F
+55°F
+75°F
+75°F
+61°F
+61°F
+79°F
+77°F
+70°F
+43°F
+66°F
+57°F
+82°F
+82°F
+75°F
+48°F
24 Hours Forecast
Galena
Local time: 15:15
December 24, wednesday
1800
36°F
NW
5 mph
2100
32°F
S
4 mph
December 25, thursday
0000
32°F
S
6 mph
0300
32°F
S
7 mph
0600
32°F
SW
8 mph
0900
34°F
SW
6 mph
1200
34°F
W
12 mph
1500
34°F
W
13 mph
Units of measurement: °C / °F