Weather in September 2025

Wisconsin weather in September 2025

The temperatures in Wisconsin in September are comfortable with low of 15°C and and high up to 21°C.

You can expect about 3 to 8 days of rain in Wisconsin during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.

Our weather forecast can give you a great sense of what weather to expect in Wisconsin in September 2025.

If you’re planning to visit Wisconsin in the near future, we highly recommend that you review the 14 day weather forecast for Wisconsin before you arrive.

Temperatures
Temperatures
21° / 15°
Rainy Days
Rainy Days
5
Snowy Days
Snowy Days
0
Dry Days
Dry Days
25
Rainfall
Rainfall
87
mm
10.6
Sun Hours
10.6
Hrs

Wisconsin annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January -3° / -8° 5 9 17 49 mm
Awful
February -2° / -7° 4 10 15 48 mm
Awful
March 4° / -1° 6 17 8 60 mm
Awful
April 9° / 3° 7 19 4 109 mm
Awful
May 15° / 9° 7 24 0 118 mm
Ok
June 21° / 14° 6 24 0 138 mm
Good
July 24° / 19° 6 25 0 140 mm
Perfect
August 25° / 18° 5 26 0 120 mm
Perfect
September 21° / 15° 5 25 0 87 mm
Good
October 14° / 9° 6 24 1 97 mm
Good
November 7° / 2° 5 19 6 52 mm
Bad
December 1° / -3° 5 13 13 48 mm
Awful
Temperatures in Wisconsin in September
Rain in Wisconsin in September

Recommended Hotels in Wisconsin

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That’s why we run our special tools and found the best hotels in Wisconsin. Click on hotel for more details.

Weather in Wisconsin in September - FAQ

What is the average temperature in Wisconsin in September?
The average temperature in Wisconsin in September is 15/21° C.
What is the chance of rain in Wisconsin in September?
On average, there are 5 rainy days in Wisconsin during September.
Weather wise, is September a good time to visit Wisconsin?
The weather in Wisconsin in September is good.
Can it snow in Wisconsin in September?
On average, there are 0 snowy days in Wisconsin in September.
Cities in Wisconsin

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More about the weather in Wisconsin