Champaign (IL)
September
Weather in Champaign, Illinois for September 2027
Your guide to Champaign weather in September - trends and predictions
Champaign experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 82.3 mm.
Is September a good time to visit Champaign? check out the best time to travel to Champaign page.
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Rain 🌧️
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21
Dry days
9
Rainy days
0
Snow days
27°/15°
Temperatures
16 km/h
Avg max wind
70 %
Avg humidity
Champaign Weather September
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Temperatures trend during September in Champaign
See the weather trend as well as the moving average line
September weather in Champaign day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Partly cloudy | 33° /16° | 0 mm | 8 | |
| Sept. 2 | Partly cloudy | 32° /17° | 0 mm | 8 | |
| Sept. 3 |  Patchy rain possible | 31° /19° | 1.6 mm | 7 | |
| Sept. 4 |  Mist | 29° /17° | 0.8 mm | 7 | |
| Sept. 5 |  Overcast | 28° /16° | 0 mm | 7 | |
| Sept. 6 | Mist | 26° /14° | 0 mm | 7 | |
| Sept. 7 |  Sunny | 26° /11° | 0 mm | 7 | |
| Sept. 8 | Sunny | 28° /11° | 0 mm | 7 | |
| Sept. 9 |  Light rain | 26° /15° | 5.1 mm | 5 | |
| Sept. 10 | Light rain | 26° /16° | 8.1 mm | 4 | |
| Sept. 11 | Overcast | 28° /15° | 0 mm | 4 | |
| Sept. 12 | Overcast | 31° /16° | 0.2 mm | 7 | |
| Sept. 13 |  Thundery outbreaks possible | 26° /18° | 0 mm | 7 | |
| Sept. 14 | Thundery outbreaks possible | 30° /16° | 0 mm | 7.1 | |
| Sept. 15 | Mist | 33° /20° | 0.8 mm | 6 | |
| Sept. 16 | Light rain | 31° /17° | 4.8 mm | 5 | |
| Sept. 17 | Patchy rain possible | 31° /19° | 1.2 mm | 6 | |
| Sept. 18 | Light rain | 28° /17° | 8.9 mm | 5 | |
| Sept. 19 | Thundery outbreaks possible | 30° /17° | 5.5 mm | 5 | |
| Sept. 20 | Light rain | 27° /18° | 6.7 mm | 4 | |
| Sept. 21 |  Heavy rain | 21° /16° | 21.3 mm | 3 | |
| Sept. 22 | Light rain | 23° /14° | 3.7 mm | 5 | |
| Sept. 23 | Patchy rain possible | 22° /16° | 2.4 mm | 4 | |
| Sept. 24 |  Moderate rain | 21° /15° | 11.1 mm | 4 | |
| Sept. 25 | Overcast | 22° /14° | 0 mm | 3 | |
| Sept. 26 | Mist | 23° /11° | 0 mm | 4 | |
| Sept. 27 | Sunny | 25° /12° | 0 mm | 5 | |
| Sept. 28 | Sunny | 27° /13° | 0 mm | 5.8 | |
| Sept. 29 | Sunny | 29° /14° | 0 mm | 5.7 | |
| Sept. 30 |  Cloudy | 28° /17° | 0.2 mm | 4 | |
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Important Notice
Our weather forecast for Champaign 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 Champaign forecast closer to your planned date for the most up-to-date weather information.
Change Month
Champaign in September - FAQ
What are the expected maximum and minimum temperatures in Champaign during September?
During September, expect a variety of temperatures with highs around 27° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Champaign during September?
Moderate rainfall is anticipated in Champaign during September, with a total of 82.3 mm spread over approximately 9 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Champaign during September?
The average wind speed in Champaign during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Champaign
Explore the daily rainfall trends and prepare for Champaigns September weather 💧
Typically, Champaign has 9 rainy days in September with a total of 82.3 mm of rainfall.
UV exposure in Champaign during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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