Weather in Kane County, Illinois for September 2025
Until now, September 2025 in Kane County is cooler than usual, with temperatures averaging 24.3 °F, this is -2.3 °F below the typical seasonal average.
The forecast for the next days in Kane County predicts temperatures to be around 24 °F, close to the historical average.
In general, the average temperature in Kane County at the beginning of September is 26 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.1 °F by the end of September.
Kane County experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 70.4 mm.
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Kane County Weather September
Temperatures trend during September in Kane County
September weather in Kane County day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 26° /12° | 0 mm | 6 | |
| Sept. 2 |  Mist | 27° /13° | 0 mm | 6 | |
| Sept. 3 |  Cloudy | 29° /12° | 17.8 mm | 7 | |
| Sept. 4 | Fog | 28° /12° | 0 mm | 6 | |
| Sept. 5 |  Overcast | 28° /15° | 0.8 mm | 6 | |
| Sept. 6 |  Patchy rain possible | 23° /11° | 2.4 mm | 5 | |
| Sept. 7 | Mist | 21° /7° | 0 mm | 5 | |
| Sept. 8 | Mist | 23° /8° | 0 mm | 6 | |
| Sept. 9 | Mist | 25° /9° | 0 mm | 6 | |
| Sept. 10 | Mist | 28° /11° | 0 mm | 6 | |
| Sept. 11 | Light rain shower | 27° /15° | 10.5 mm | 7 | |
| Sept. 12 | Overcast | 27° /13° | 0 mm | 6 | |
| Sept. 13 | Mist | 26° /15° | 0 mm | 6 | |
| Sept. 14 | Mist | 29° /14° | 0 mm | 7 | |
| Sept. 15 | Mist | 30° /16° | 0 mm | 7 | |
| Sept. 16 | Sunny | 29° /15° | 0.5 mm | 7 | |
| Sept. 17 | Light rain shower | 27° /14° | 1.9 mm | 6 | |
| Sept. 18 | Sunny | 33° /17° | 0 mm | 1.4 | |
| Sept. 19 | Patchy rain possible | 29° /18° | 0.1 mm | 0.8 | |
| Sept. 20 | Patchy rain possible | 27° /17° | 3.8 mm | 1.3 | |
| Sept. 21 |  Heavy rain | 24° /17° | 27 mm | 0.9 | |
| Sept. 22 | Heavy rain | 28° /18° | 26 mm | 0 | |
| Sept. 23 | Patchy rain possible | 25° /17° | 4.7 mm | 4 | |
| Sept. 24 |  Moderate rain | 19° /17° | 5.4 mm | 4 | |
| Sept. 25 | Patchy rain possible | 20° /13° | 0.7 mm | 4 | |
| Sept. 26 | Moderate rain | 21° /14° | 5.1 mm | 4 | |
| Sept. 27 | Sunny | 25° /13° | 0.1 mm | 5 | |
| Sept. 28 | Patchy rain possible | 27° /16° | 2.7 mm | 5 | |
| Sept. 29 | Sunny | 18° /11° | 0 mm | 4 | |
| Sept. 30 |  Partly cloudy | 18° /10° | 0 mm | 4 | |
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Kane County in September - FAQ
September rainfall patterns in Kane County
UV exposure in Kane County during September
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Where is Kane County?Get accurate weather forecasts for Kane County, located at latitude 41.761 and longitude -88.32. Stay updated with localized weather information tailored for Kane County.