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Weather in Wisconsin Dells for September 2025

Your guide to Wisconsin Dells weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Wisconsin Dells at the beginning of September is 21.7 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 24 °F by the end of September.

    • Rain 🌧️

  • With an average of 3 rainy days, Wisconsin Dells experiences minimal rainfall in September.

    • More

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Average dry days
27
Dry days
Average rainy days
3
Rainy days
Average snowy days
0
Snow days
Average temperatures
25°/12°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
69 %
Avg humidity

Wisconsin Dells in September average weather

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Sunny
22°
2
Sunny
22°
3
Cloudy
23°
4
Sunny
23°
5
Patchy rain possible
25°
6
Fog
19°
7
Sunny
18°
8
Sunny
21°
9
Sunny
27°
10
Partly cloudy
27°
11
Partly cloudy
28°
12
Sunny
29°
13
Overcast
27°
14
Partly cloudy
27°
15
Patchy rain possible
29°
16
Sunny
29°
17
Partly cloudy
28°
18
Fog
27°
19
Cloudy
28°
20
Moderate or heavy rain shower
25°
21
Fog
29°
22
Light rain shower
20°
23
Sunny
21°
24
Fog
20°
25
Fog
23°
26
Mist
25°
27
Fog
26°
28
Sunny
26°
29
Sunny
26°
30
Fog
22°
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Temperatures trend during September in Wisconsin Dells

See the weather trend as well as the moving average line

September weather day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
Sept. 1 Sunny
Sunny
 22° /12° 0 mm 6
Sept. 2 Sunny
Sunny
 22° /8° 0 mm 6
Sept. 3 Cloudy
Cloudy
 23° /10° 0 mm 5
Sept. 4 Sunny
Sunny
 23° /10° 0 mm 6
Sept. 5 Patchy rain possible
Patchy rain possible
 25° /12° 0.2 mm 6
Sept. 6 Fog
Fog
 19° /7° 0 mm 4
Sept. 7 Sunny
Sunny
 18° /3° 0 mm 5
Sept. 8 Sunny
Sunny
 21° /7° 0 mm 6
Sept. 9 Sunny
Sunny
 27° /12° 0 mm 7
Sept. 10 Partly cloudy
Partly cloudy
 27° /12° 0 mm 7
Sept. 11 Partly cloudy
Partly cloudy
 28° /16° 0 mm 7
Sept. 12 Sunny
Sunny
 29° /15° 0 mm 7
Sept. 13 Overcast
Overcast
 27° /15° 0 mm 6
Sept. 14 Partly cloudy
Partly cloudy
 27° /14° 0 mm 7
Sept. 15 Patchy rain possible
Patchy rain possible
 29° /16° 1.9 mm 6
Sept. 16 Sunny
Sunny
 29° /16° 0 mm 7
Sept. 17 Partly cloudy
Partly cloudy
 28° /14° 0 mm 7
Sept. 18 Fog
Fog
 27° /11° 0 mm 6
Sept. 19 Cloudy
Cloudy
 28° /14° 0 mm 6
Sept. 20 Moderate or heavy rain shower
Moderate or heavy rain shower
 25° /18° 39.7 mm 6
Sept. 21 Fog
Fog
 29° /12° 0 mm 6
Sept. 22 Light rain shower
Light rain shower
 20° /13° 6.3 mm 5
Sept. 23 Sunny
Sunny
 21° /6° 0 mm 6
Sept. 24 Fog
Fog
 20° /9° 0 mm 5
Sept. 25 Fog
Fog
 23° /9° 0 mm 5
Sept. 26 Mist
Mist
 25° /11° 0 mm 6
Sept. 27 Fog
Fog
 26° /10° 0 mm 6
Sept. 28 Sunny
Sunny
 26° /12° 0 mm 7
Sept. 29 Sunny
Sunny
 26° /12° 0 mm 7
Sept. 30 Fog
Fog
 22° /12° 0 mm 5
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Important Notice
Our weather forecast for Wisconsin Dells in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Wisconsin Dells forecast closer to your planned date for the most up-to-date weather information.

Wisconsin Dells in September - FAQ

What are the expected maximum and minimum temperatures in Wisconsin Dells during September?
Enjoy moderate daytime temperatures of up to 25° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Wisconsin Dells during September?
In September, Wisconsin Dells can expect light to moderate rainfall, totaling 48.2 mm across approximately 3 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Wisconsin Dells during September?
The average wind speed in Wisconsin Dells during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Wisconsin Dells

Explore the daily rainfall trends and prepare for Wisconsin Dellss September weather 💧

UV exposure in Wisconsin Dells during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Location coordinates Where is Wisconsin Dells?

Get accurate weather forecasts for Wisconsin Dells, located at latitude 43.627 and longitude -89.771. Stay updated with localized weather information tailored for Wisconsin Dells.

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