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United States weather

Weather in Evansville, Indiana for September 2025

Your guide to Evansville weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Evansville is cooler than usual, with temperatures averaging 25.7 °F, this is -2.3 °F below the typical seasonal average.

  • The forecast for the coming days of September 2025 predicts a temperature of 32.6 °F , which is warmer than usual.

  • In general, the average temperature in Evansville at the beginning of September is 27.6 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 31.1 °F by the end of September.

    • Rain 🌧️

  • Evansville experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 297.1 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
22
Dry days
Average rainy days
8
Rainy days
Average snowy days
0
Snow days
Average temperatures
28°/17°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
64 %
Avg humidity

Evansville Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Light rain shower
30°
2
Sunny
28°
3
Overcast
27°
4
Patchy rain possible
26°
5
Overcast
30°
6
Partly cloudy
28°
7
Sunny
24°
8
Sunny
25°
9
Sunny
28°
10
Sunny
29°
11
Sunny
32°
12
Partly cloudy
30°
13
Light rain shower
27°
14
Light rain shower
29°
15
Fog
33°
16
Partly cloudy
31°
17
Sunny
30°
18
Sunny
34°
19
Sunny
35°
20
Sunny
33°
21
Partly cloudy
33°
22
Patchy rain possible
23°
23
Patchy rain possible
31°
24
Patchy rain possible
34°
25
Sunny
33°
26
Sunny
34°
27
Sunny
36°
28
Sunny
36°
29
Overcast
21°
30
Mist
24°

Temperatures trend during September in Evansville

See the weather trend as well as the moving average line

September weather in Evansville day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
Sept. 1 Light rain shower
Light rain shower
 30° /16° 0.4 mm 7
Sept. 2 Sunny
Sunny
 28° /15° 0 mm 7
Sept. 3 Overcast
Overcast
 27° /15° 0 mm 6
Sept. 4 Patchy rain possible
Patchy rain possible
 26° /18° 50.6 mm 6
Sept. 5 Overcast
Overcast
 30° /15° 4.9 mm 7
Sept. 6 Partly cloudy
Partly cloudy
 28° /16° 14.1 mm 7
Sept. 7 Sunny
Sunny
 24° /10° 0 mm 6
Sept. 8 Sunny
Sunny
 25° /8° 0 mm 7
Sept. 9 Sunny
Sunny
 28° /10° 0 mm 7
Sept. 10 Sunny
Sunny
 29° /14° 0 mm 7
Sept. 11 Sunny
Sunny
 32° /17° 0 mm 7
Sept. 12 Partly cloudy
Partly cloudy
 30° /17° 0.1 mm 8
Sept. 13 Light rain shower
Light rain shower
 27° /16° 7.2 mm 6
Sept. 14 Light rain shower
Light rain shower
 29° /18° 4.5 mm 6
Sept. 15 Fog
Fog
 33° /20° 0 mm 1.6
Sept. 16 Partly cloudy
Partly cloudy
 31° /18° 0 mm 1.5
Sept. 17 Sunny
Sunny
 30° /16° 0 mm 1.6
Sept. 18 Sunny
Sunny
 34° /17° 0 mm 1.6
Sept. 19 Sunny
Sunny
 35° /19° 0 mm 0
Sept. 20 Sunny
Sunny
 33° /19° 0 mm 7
Sept. 21 Partly cloudy
Partly cloudy
 33° /19° 0.1 mm 6
Sept. 22 Patchy rain possible
Patchy rain possible
 23° /18° 2.7 mm 4
Sept. 23 Patchy rain possible
Patchy rain possible
 31° /17° 1.2 mm 5
Sept. 24 Patchy rain possible
Patchy rain possible
 34° /20° 2.9 mm 6
Sept. 25 Sunny
Sunny
 33° /19° 0 mm 7
Sept. 26 Sunny
Sunny
 34° /20° 0 mm 7
Sept. 27 Sunny
Sunny
 36° /21° 0 mm 7
Sept. 28 Sunny
Sunny
 36° /21° 0 mm 7
Sept. 29 Overcast
Overcast
 21° /18° 2.1 mm 5
Sept. 30 Mist
Mist
 24° /19° 0 mm 5
Next
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.
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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 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Evansville during September?
Significant rainfall exceeding 297.1 mm is expected in Evansville during September, occurring over more than 8 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 18 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 💧

UV exposure in Evansville during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

Quick links

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Location coordinates Where is Evansville?

Get accurate weather forecasts for Evansville, located at latitude 37.975 and longitude -87.556. Stay updated with localized weather information tailored for Evansville.

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