Madison (WI)
September
Weather in Madison, Wisconsin for September 2026
Your guide to Madison weather in September - trends and predictions
In general, the average temperature in Madison at the beginning of September is 24.6 °F. As the month progressed, temperatures tended to slightly decrease, reaching an average of 24.1 °F by the end of September.
Madison experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 61.4 mm.
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Temperatures
Rain 🌧️
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20
Dry days
10
Rainy days
0
Snow days
25°/12°
Temperatures
18 km/h
Avg max wind
70 %
Avg humidity
Madison Weather September
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Temperatures trend during September in Madison
See the weather trend as well as the moving average line
September weather in Madison day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Mist | 25° /10° | 0 mm | 6 | |
| Sept. 2 |  Partly cloudy | 27° /12° | 0 mm | 7 | |
| Sept. 3 |  Cloudy | 27° /12° | 2.6 mm | 6 | |
| Sept. 4 |  Sunny | 26° /11° | 0 mm | 6 | |
| Sept. 5 | Partly cloudy | 26° /14° | 0.8 mm | 7 | |
| Sept. 6 | Mist | 21° /8° | 0.2 mm | 5 | |
| Sept. 7 |  Overcast | 20° /6° | 0.7 mm | 5 | |
| Sept. 8 | Mist | 22° /6° | 0 mm | 5 | |
| Sept. 9 | Overcast | 25° /9° | 0 mm | 6 | |
| Sept. 10 | Cloudy | 26° /12° | 0 mm | 6 | |
| Sept. 11 |  Light rain | 23° /12° | 1.3 mm | 5 | |
| Sept. 12 | Mist | 24° /11° | 0 mm | 6 | |
| Sept. 13 | Mist | 24° /13° | 0 mm | 5 | |
| Sept. 14 | Mist | 27° /12° | 0 mm | 6 | |
| Sept. 15 | Mist | 29° /13° | 0 mm | 7 | |
| Sept. 16 |  Patchy light rain with thunder | 28° /14° | 1.5 mm | 6 | |
| Sept. 17 |  Patchy rain possible | 26° /12° | 0 mm | 6 | |
| Sept. 18 | Cloudy | 26° /12° | 5 mm | 6 | |
| Sept. 19 |  Heavy rain | 23° /13° | 9.1 mm | 5 | |
| Sept. 20 | Patchy light rain with thunder | 24° /15° | 16.7 mm | 6 | |
| Sept. 21 | Patchy light drizzle | 25° /14° | 2.2 mm | 6 | |
| Sept. 22 | Patchy light drizzle | 24° /13° | 5.5 mm | 5 | |
| Sept. 23 | Fog | 23° /11° | 4 mm | 5 | |
| Sept. 24 | Fog | 20° /11° | 0.3 mm | 5 | |
| Sept. 25 | Patchy rain possible | 23° /11° | 0.8 mm | 5 | |
| Sept. 26 |  Moderate or heavy rain with thunder | 25° /11° | 16.9 mm | 6 | |
| Sept. 27 | Patchy rain possible | 24° /12° | 0.2 mm | 5 | |
| Sept. 28 | Sunny | 24° /11° | 0 mm | 6 | |
| Sept. 29 | Fog | 26° /11° | 0 mm | 6 | |
| Sept. 30 | Fog | 27° /13° | 0 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Madison 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 Madison forecast closer to your planned date for the most up-to-date weather information.
Change Month
Madison in September - FAQ
What are the expected maximum and minimum temperatures in Madison 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 Madison during September?
Moderate rainfall is anticipated in Madison during September, with a total of 61.4 mm spread over approximately 10 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Madison during September?
The average wind speed in Madison during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Madison
Explore the daily rainfall trends and prepare for Madisons September weather 💧
UV exposure in Madison during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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