Click on a day for an hourly weather forecast
The temperatures in Evansville in September are comfortable with low of 16°C and and high up to 27°C.
You can expect about 3 to 8 days of rain in Evansville during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Evansville in September 2025.
If you’re planning to visit Evansville in the near future, we highly recommend that you review the 14 day weather forecast for Evansville before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 4° / -3° | 6 | 19 | 7 | 89 mm | Awful | Evansville in January |
| February | 7° / -1° | 5 | 17 | 6 | 109 mm | Bad | Evansville in February |
| March | 13° / 5° | 7 | 21 | 3 | 118 mm | Awful | Evansville in March |
| April | 19° / 9° | 8 | 22 | 1 | 160 mm | Ok | Evansville in April |
| May | 24° / 15° | 9 | 22 | 0 | 156 mm | Good | Evansville in May |
| June | 28° / 19° | 7 | 23 | 0 | 152 mm | Good | Evansville in June |
| July | 30° / 20° | 7 | 24 | 0 | 128 mm | Ok | Evansville in July |
| August | 29° / 19° | 7 | 24 | 0 | 118 mm | Ok | Evansville in August |
| September | 27° / 16° | 5 | 25 | 0 | 82 mm | Perfect | Evansville in September |
| October | 20° / 10° | 5 | 26 | 0 | 97 mm | Good | Evansville in October |
| November | 13° / 4° | 5 | 24 | 1 | 92 mm | Ok | Evansville in November |
| December | 8° / 1° | 5 | 22 | 3 | 92 mm | Bad | Evansville in December |