World Resorts USA Dubuque Weather

Dubuque weather in September

Weather in Dubuque: September

Average day temperature: 75.1°F
Average night temperature: 57.2°F
Number of sunny days: 16 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 86°F. At the same time the lowest night temperature was 40°F. Daily and nightly averages during September were 75.4°F and 55.0°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 Dubuque 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 8.3 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: 8.7.

Best time for vacation in Dubuque

Sunniest months:
September 16 days
October 16 days
August 14 days
Warmest months:
August 80.3 °F
July 80.2 °F
June 77.3 °F
Coldest months:
January 25.4 °F
February 28.9 °F
December 33.6 °F
Rainiest months:
May 4 days
June 3 days
October 2 days
Windiest months:
March 11.0 mph
April 11.0 mph
November 10.1 mph

Dubuque on a weather map

Dubuque
+9°F
N 12 mph
Feels like: -2°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+75°F
+75°F
+41°F
+52°F
+70°F
+77°F
+70°F
+21°F
+54°F
+46°F
+61°F
+61°F
+45°F
+3°F
24 Hours Forecast
Dubuque
Local time: 02:43
December 05, friday
0300
9°F
N
12 mph
0600
14°F
N
11 mph
0900
18°F
N
10 mph
1200
23°F
NE
12 mph
1500
27°F
NE
11 mph
1800
28°F
NE
8 mph
2100
30°F
NE
7 mph
December 06, saturday
0000
30°F
E
6 mph
Units of measurement: °C / °F