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United States weather

Weather in Fort Wayne, Indiana for September 2026

Your guide to Fort Wayne weather in September - trends and predictions

    Temperatures

  • So far, September 2026 in Fort Wayne shows a warmer trend than usual by 3.2 °F.

  • Expect cooler weather in the next days in Fort Wayne with the forecast suggesting a temperature of 23.4 °F, lower than the historical average.

  • In general, the average temperature in Fort Wayne at the beginning of September is 28 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 24.3 °F by the end of September.

    • Rain 🌧️

  • The climate of Fort Wayne in September is notably wet, with an average of 13 rainy days, and a total of 92.8 mm of precipitation.

    • More

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

Average dry days
17
Dry days
Average rainy days
13
Rainy days
Average snowy days
0
Snow days
Average temperatures
26°/13°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
69 %
Avg humidity

Fort Wayne Weather September

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

Temperatures trend during September in Fort Wayne

See the weather trend as well as the moving average line

September weather in Fort Wayne day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
Sept. 1 Sunny
Sunny
 29° /13° 0.9 mm 6
Sept. 2 Sunny
Sunny
 30° /13° 0 mm 7
Sept. 3 Sunny
Sunny
 31° /16° 0 mm 7
Sept. 4 Partly cloudy
Partly cloudy
 30° /14° 2.6 mm 7
Sept. 5 Thundery outbreaks possible
Thundery outbreaks possible
 28° /15° 0.3 mm 6
Sept. 6 Light rain shower
Light rain shower
 25° /14° 3.3 mm 6
Sept. 7 Sunny
Sunny
 23° /10° 0.5 mm 5
Sept. 8 Mist
Mist
 23° /8° 0 mm 5
Sept. 9 Mist
Mist
 26° /12° 0.2 mm 5
Sept. 10 Mist
Mist
 27° /13° 0.6 mm 5
Sept. 11 Patchy rain possible
Patchy rain possible
 24° /14° 5.1 mm 6.7
Sept. 12 Patchy rain possible
Patchy rain possible
 25° /18° 0.3 mm 6.6
Sept. 13 Overcast
Overcast
 27° /20° 0.1 mm 6.7
Sept. 14 Overcast
Overcast
 24° /14° 0.6 mm 5.8
Sept. 15 Sunny
Sunny
 30° /20° 2.8 mm 7
Sept. 16 Light rain shower
Light rain shower
 28° /19° 17.2 mm 7
Sept. 17 Light rain shower
Light rain shower
 19° /13° 11.8 mm 4
Sept. 18 Sunny
Sunny
 17° /9° 0 mm 5
Sept. 19 Sunny
Sunny
 20° /10° 0 mm 5
Sept. 20 Sunny
Sunny
 22° /13° 0 mm 6
Sept. 21 Sunny
Sunny
 22° /13° 0 mm 6
Sept. 22 Sunny
Sunny
 22° /13° 0 mm 6
Sept. 23 Overcast
Overcast
 23° /13° 0 mm 6
Sept. 24 Sunny
Sunny
 24° /16° 0 mm 6
Sept. 25 Fog
Fog
 23° /15° 1.1 mm 5
Sept. 26 Mist
Mist
 25° /11° 0.6 mm 6
Sept. 27 Heavy rain
Heavy rain
 24° /13° 9.2 mm 6
Sept. 28 Fog
Fog
 25° /15° 2.9 mm 6
Sept. 29 Patchy rain possible
Patchy rain possible
 24° /14° 12.2 mm 5
Sept. 30 Mist
Mist
 25° /14° 0 mm 6
Next
Important Notice
Our weather forecast for Fort Wayne 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 Fort Wayne forecast closer to your planned date for the most up-to-date weather information.
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Fort Wayne in September - FAQ

What are the expected maximum and minimum temperatures in Fort Wayne 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 Fort Wayne during September?
Moderate rainfall is anticipated in Fort Wayne during September, with a total of 92.8 mm spread over approximately 13 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Fort Wayne during September?
The average wind speed in Fort Wayne during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Fort Wayne

Explore the daily rainfall trends and prepare for Fort Waynes September weather 💧
Typically, Fort Wayne has 13 rainy days in September with a total of 92.8 mm of rainfall.

UV exposure in Fort Wayne during September

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

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Get accurate weather forecasts for Fort Wayne, located at latitude 41.131 and longitude -85.129. Stay updated with localized weather information tailored for Fort Wayne.

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