Evansville (IN)
September
Weather in Evansville, Indiana for September 2026
Your guide to Evansville weather in September - trends and predictions
So far, September 2026 in Evansville shows a warmer trend than usual by 3.6 °F.
The forecast for the next days in Evansville predicts temperatures to be around 29 °F, close to the historical average.
In general, the average temperature in Evansville at the beginning of September is 30.6 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 22.9 °F by the end of September.
The climate of Evansville in September is notably wet, with an average of 14 rainy days, and a total of 334.9 mm of precipitation.
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Temperatures
Rain 🌧️
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16
Dry days
14
Rainy days
0
Snow days
28°/16°
Temperatures
16 km/h
Avg max wind
68 %
Avg humidity
Evansville Weather September
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Temperatures trend during September in Evansville
See the weather trend as well as the moving average line
September weather in Evansville day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Light rain shower | 32° /17° | 0.3 mm | 7 | |
| Sept. 2 |  Sunny | 32° /17° | 0 mm | 8 | |
| Sept. 3 |  Overcast | 31° /17° | 0 mm | 7 | |
| Sept. 4 | Patchy rain possible | 30° /19° | 33.7 mm | 7 | |
| Sept. 5 | Overcast | 33° /18° | 3.3 mm | 7 | |
| Sept. 6 |  Partly cloudy | 30° /18° | 9.4 mm | 7 | |
| Sept. 7 | Sunny | 26° /12° | 0 mm | 6 | |
| Sept. 8 | Sunny | 29° /10° | 0 mm | 8 | |
| Sept. 9 | Sunny | 29° /14° | 1.8 mm | 7 | |
| Sept. 10 | Sunny | 28° /16° | 33.4 mm | 5 | |
| Sept. 11 | Sunny | 30° /18° | 0.6 mm | 5 | |
| Sept. 12 | Partly cloudy | 31° /18° | 2.7 mm | 7 | |
| Sept. 13 | Light rain shower | 27° /16° | 7.2 mm | 6 | |
| Sept. 14 | Sunny | 28° /16° | 0 mm | 6.5 | |
| Sept. 15 | Sunny | 36° /20° | 0.1 mm | 7.5 | |
| Sept. 16 | Sunny | 35° /23° | 0.5 mm | 7.2 | |
| Sept. 17 | Sunny | 35° /25° | 1.4 mm | 9 | |
| Sept. 18 | Sunny | 34° /23° | 1.3 mm | 8 | |
| Sept. 19 | Sunny | 37° /24° | 3.8 mm | 9 | |
| Sept. 20 | Sunny | 34° /23° | 3.5 mm | 8 | |
| Sept. 21 | Patchy rain possible | 31° /21° | 7.8 mm | 7 | |
| Sept. 22 | Light rain shower | 29° /20° | 7.5 mm | 7 | |
| Sept. 23 | Sunny | 27° /18° | 0 mm | 7 | |
| Sept. 24 | Sunny | 23° /16° | 0 mm | 6 | |
| Sept. 25 | Overcast | 17° /11° | 0 mm | 5 | |
| Sept. 26 | Sunny | 21° /9° | 0 mm | 6 | |
| Sept. 27 | Sunny | 22° /10° | 0 mm | 6 | |
| Sept. 28 |  Moderate rain at times | 24° /16° | 21.2 mm | 6 | |
| Sept. 29 | Overcast | 26° /17° | 1 mm | 7 | |
| Sept. 30 |  Mist | 27° /18° | 0 mm | 6 | |
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Important Notice
Our weather forecast for Evansville 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 Evansville forecast closer to your planned date for the most up-to-date weather information.
Change Month
Evansville in September - FAQ
What are the expected maximum and minimum temperatures in Evansville 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 Evansville during September?
Significant rainfall exceeding 334.9 mm is expected in Evansville during September, occurring over more than 14 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Evansville during September?
The average wind speed in Evansville during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Evansville
Explore the daily rainfall trends and prepare for Evansvilles September weather 💧
Typically, Evansville has 14 rainy days in September with a total of 334.9 mm of rainfall.
UV exposure in Evansville during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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