Aurora (IL)
September
Weather in Aurora, Illinois for September 2025
Your guide to Aurora weather in September - trends and predictions
In general, the average temperature in Aurora at the beginning of September is 28.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 23.9 °F by the end of September.
Aurora experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 70.4 mm.
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Temperatures
Rain 🌧️
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22
Dry days
8
Rainy days
0
Snow days
26°/13°
Temperatures
18 km/h
Avg max wind
66 %
Avg humidity
Aurora Weather September
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Temperatures trend during September in Aurora
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September weather in Aurora day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 27° /12° | 0 mm | 7 | |
| Sept. 2 |  Mist | 29° /12° | 0 mm | 7 | |
| Sept. 3 |  Cloudy | 32° /12° | 0 mm | 8 | |
| Sept. 4 | Fog | 33° /15° | 0 mm | 8 | |
| Sept. 5 |  Overcast | 32° /18° | 1.2 mm | 7 | |
| Sept. 6 |  Patchy rain possible | 26° /15° | 3.6 mm | 6 | |
| Sept. 7 | Mist | 22° /9° | 0 mm | 6 | |
| Sept. 8 | Mist | 23° /8° | 0 mm | 6 | |
| Sept. 9 | Mist | 26° /10° | 0 mm | 7 | |
| Sept. 10 | Mist | 29° /11° | 0 mm | 7 | |
| Sept. 11 | Light rain shower | 26° /14° | 15.8 mm | 7 | |
| Sept. 12 | Overcast | 27° /13° | 0 mm | 7 | |
| Sept. 13 | Mist | 26° /14° | 0 mm | 6 | |
| Sept. 14 | Mist | 27° /12° | 0 mm | 7 | |
| Sept. 15 | Mist | 29° /14° | 0 mm | 7 | |
| Sept. 16 |  Thundery outbreaks possible | 28° /14° | 0.7 mm | 7 | |
| Sept. 17 | Light rain shower | 25° /14° | 2.8 mm | 6 | |
| Sept. 18 | Fog | 26° /10° | 0 mm | 6 | |
| Sept. 19 |  Moderate or heavy rain with thunder | 25° /13° | 9.6 mm | 6 | |
| Sept. 20 | Thundery outbreaks possible | 28° /15° | 0.1 mm | 6 | |
| Sept. 21 | Patchy rain possible | 30° /14° | 0.3 mm | 7 | |
| Sept. 22 | Thundery outbreaks possible | 24° /15° | 16.2 mm | 6 | |
| Sept. 23 | Fog | 23° /11° | 0 mm | 5 | |
| Sept. 24 | Mist | 23° /11° | 0 mm | 6 | |
| Sept. 25 | Fog | 26° /14° | 0.3 mm | 6 | |
| Sept. 26 | Moderate or heavy rain with thunder | 26° /13° | 14.2 mm | 6 | |
| Sept. 27 | Light rain shower | 22° /14° | 5.7 mm | 5 | |
| Sept. 28 | Mist | 21° /16° | 0 mm | 5 | |
| Sept. 29 | Fog | 22° /15° | 0 mm | 5 | |
| Sept. 30 | Fog | 27° /16° | 0 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Aurora 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 Aurora forecast closer to your planned date for the most up-to-date weather information.
Change Month
Aurora in September - FAQ
What are the expected maximum and minimum temperatures in Aurora during September?
Enjoy moderate daytime temperatures of up to 26° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Aurora during September?
Moderate rainfall is anticipated in Aurora during September, with a total of 70.4 mm spread over approximately 8 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Aurora during September?
The average wind speed in Aurora during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Aurora
Explore the daily rainfall trends and prepare for Auroras September weather 💧
UV exposure in Aurora during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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