Springfield (IL)
September
Weather in Springfield, Illinois for September 2027
Your guide to Springfield weather in September - trends and predictions
In general, the average temperature in Springfield at the beginning of September is 28.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 24.3 °C by the end of September.
With an average of 5 rainy days, Springfield experiences minimal rainfall in September.
Is September a good time to visit Springfield? check out the best time to travel to Springfield page.
✨ Is September a good time to visit Springfield? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
25
Dry days
5
Rainy days
0
Snow days
28°/16°
Temperatures
17 km/h
Avg max wind
65 %
Avg humidity
Springfield Weather September
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Temperatures trend during September in Springfield
See the weather trend as well as the moving average line
September weather in Springfield day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 30° /16° | 0 mm | 7 | |
| Sept. 2 | Sunny | 30° /15° | 0 mm | 7 | |
| Sept. 3 |  Overcast | 29° /17° | 0 mm | 6 | |
| Sept. 4 | Sunny | 31° /16° | 0 mm | 7 | |
| Sept. 5 |  Mist | 29° /17° | 0 mm | 6 | |
| Sept. 6 |  Partly cloudy | 26° /14° | 0.1 mm | 7 | |
| Sept. 7 | Sunny | 25° /10° | 0 mm | 6 | |
| Sept. 8 | Sunny | 28° /9° | 0 mm | 7 | |
| Sept. 9 | Sunny | 27° /14° | 0.1 mm | 6 | |
| Sept. 10 |  Light rain | 28° /15° | 9 mm | 5 | |
| Sept. 11 | Sunny | 31° /16° | 0 mm | 6 | |
| Sept. 12 | Sunny | 31° /16° | 0 mm | 7 | |
| Sept. 13 | Light rain | 28° /19° | 1 mm | 6 | |
| Sept. 14 | Partly cloudy | 32° /17° | 0.2 mm | 7 | |
| Sept. 15 |  Patchy rain possible | 33° /21° | 0.8 mm | 6 | |
| Sept. 16 | Light rain | 32° /18° | 2.5 mm | 6 | |
| Sept. 17 |  Cloudy | 31° /18° | 0.5 mm | 6.9 | |
| Sept. 18 | Cloudy | 29° /16° | 0.9 mm | 5 | |
| Sept. 19 | Patchy rain possible | 30° /18° | 1.5 mm | 6 | |
| Sept. 20 | Light rain | 30° /18° | 4.9 mm | 5 | |
| Sept. 21 | Light rain | 24° /17° | 6.2 mm | 4 | |
| Sept. 22 |  Moderate or heavy rain shower | 23° /16° | 6.7 mm | 5 | |
| Sept. 23 | Overcast | 23° /15° | 0 mm | 5 | |
| Sept. 24 |  Heavy rain | 20° /15° | 71.8 mm | 5 | |
| Sept. 25 | Sunny | 22° /14° | 0 mm | 4 | |
| Sept. 26 | Overcast | 23° /12° | 0 mm | 4 | |
| Sept. 27 | Overcast | 25° /14° | 0 mm | 4 | |
| Sept. 28 | Overcast | 26° /14° | 0 mm | 5.9 | |
| Sept. 29 | Overcast | 27° /15° | 0 mm | 5.8 | |
| Sept. 30 | Mist | 27° /18° | 0.2 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Springfield 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 Springfield forecast closer to your planned date for the most up-to-date weather information.
Change Month
Springfield in September - FAQ
What are the expected maximum and minimum temperatures in Springfield during September?
During September, expect a variety of temperatures with highs around 28° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Springfield during September?
Significant rainfall exceeding 106.2 mm is expected in Springfield during September, occurring over more than 5 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Springfield during September?
The average wind speed in Springfield during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Springfield
Explore the daily rainfall trends and prepare for Springfields September weather 💧
Typically, Springfield has 5 rainy days in September with a total of 106.2 mm of rainfall.
UV exposure in Springfield during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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