Columbia County (Wisconsin Dells)
September
Weather in Columbia County for September 2025
Your guide to Columbia County weather in September - trends and predictions
In general, the average temperature in Columbia County 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.
With an average of 3 rainy days, Columbia County experiences minimal rainfall in September.
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Temperatures
Rain 🌧️
More
27
Dry days
3
Rainy days
0
Snow days
25°/12°
Temperatures
16 km/h
Avg max wind
69 %
Avg humidity
Columbia County in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  22° | 2 22° | 3  23° | 4 23° | 5  25° | 6  19° | 7 18° |
| 8 21° | 9 27° | 10  27° | 11 28° | 12 29° | 13  27° | 14 27° |
| 15 29° | 16 29° | 17 28° | 18 27° | 19 28° | 20  25° | 21 29° |
| 22 20° | 23 21° | 24 20° | 25 23° | 26 25° | 27 26° | 28 26° |
| 29 26° | 30 22° |
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Temperatures trend during September in Columbia County
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September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 | Sunny | 22° /12° | 0 mm | 6 | |
| Sept. 2 | Sunny | 22° /8° | 0 mm | 6 | |
| Sept. 3 | Cloudy | 23° /10° | 0 mm | 5 | |
| Sept. 4 | Sunny | 23° /10° | 0 mm | 6 | |
| Sept. 5 | Patchy rain possible | 25° /12° | 0.2 mm | 6 | |
| Sept. 6 | Fog | 19° /7° | 0 mm | 4 | |
| Sept. 7 | Sunny | 18° /3° | 0 mm | 5 | |
| Sept. 8 | Sunny | 21° /7° | 0 mm | 6 | |
| Sept. 9 | Sunny | 27° /12° | 0 mm | 7 | |
| Sept. 10 | Partly cloudy | 27° /12° | 0 mm | 7 | |
| Sept. 11 | Partly cloudy | 28° /16° | 0 mm | 7 | |
| Sept. 12 | Sunny | 29° /15° | 0 mm | 7 | |
| Sept. 13 | Overcast | 27° /15° | 0 mm | 6 | |
| Sept. 14 | Partly cloudy | 27° /14° | 0 mm | 7 | |
| Sept. 15 | Patchy rain possible | 29° /16° | 1.9 mm | 6 | |
| Sept. 16 | Sunny | 29° /16° | 0 mm | 7 | |
| Sept. 17 | Partly cloudy | 28° /14° | 0 mm | 7 | |
| Sept. 18 | Fog | 27° /11° | 0 mm | 6 | |
| Sept. 19 | Cloudy | 28° /14° | 0 mm | 6 | |
| Sept. 20 | Moderate or heavy rain shower | 25° /18° | 39.7 mm | 6 | |
| Sept. 21 | Fog | 29° /12° | 0 mm | 6 | |
| Sept. 22 | Light rain shower | 20° /13° | 6.3 mm | 5 | |
| Sept. 23 | Sunny | 21° /6° | 0 mm | 6 | |
| Sept. 24 | Fog | 20° /9° | 0 mm | 5 | |
| Sept. 25 | Fog | 23° /9° | 0 mm | 5 | |
| Sept. 26 | Mist | 25° /11° | 0 mm | 6 | |
| Sept. 27 | Fog | 26° /10° | 0 mm | 6 | |
| Sept. 28 | Sunny | 26° /12° | 0 mm | 7 | |
| Sept. 29 | Sunny | 26° /12° | 0 mm | 7 | |
| Sept. 30 | Fog | 22° /12° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Columbia County 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 Columbia County forecast closer to your planned date for the most up-to-date weather information.
Columbia County in September - FAQ
What are the expected maximum and minimum temperatures in Columbia County 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 Columbia County during September?
In September, Columbia County 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 Columbia County during September?
The average wind speed in Columbia County during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Columbia County
Explore the daily rainfall trends and prepare for Columbia Countys September weather 💧
UV exposure in Columbia County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Columbia County?Get accurate weather forecasts for Columbia County, located at latitude 43.627 and longitude -89.771. Stay updated with localized weather information tailored for Columbia County.
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