Fort Wayne
September
Weather in Fort Wayne for September 2025
Your guide to Fort Wayne weather in September - trends and predictions
In general, the average temperature in Fort Wayne at the beginning of September is 28.6 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 23 °F by the end of September.
The climate of Fort Wayne in September is notably wet, with an average of 11 rainy days.
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19
Dry days
11
Rainy days
0
Snow days
26°/12°
Temperatures
17 km/h
Avg max wind
70 %
Avg humidity
Fort Wayne in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  28° | 2 29° | 3  30° | 4  33° | 5  32° | 6  27° | 7 21° |
| 8 21° | 9 27° | 10 29° | 11 30° | 12 27° | 13 26° | 14 28° |
| 15 29° | 16 28° | 17  24° | 18 25° | 19  24° | 20 28° | 21  29° |
| 22 26° | 23 24° | 24 24° | 25 22° | 26 25° | 27  22° | 28 22° |
| 29 22° | 30 24° |
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Temperatures trend during September in Fort Wayne
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 | Sunny | 28° /11° | 0 mm | 7 | |
| Sept. 2 | Sunny | 29° /11° | 0 mm | 7 | |
| Sept. 3 | Mist | 30° /13° | 0 mm | 7 | |
| Sept. 4 | Partly cloudy | 33° /14° | 0 mm | 8 | |
| Sept. 5 | Thundery outbreaks possible | 32° /17° | 0 mm | 8 | |
| Sept. 6 | Light rain shower | 27° /16° | 6.6 mm | 6 | |
| Sept. 7 | Fog | 21° /10° | 1 mm | 5 | |
| Sept. 8 | Mist | 21° /8° | 0 mm | 6 | |
| Sept. 9 | Mist | 27° /11° | 0 mm | 7 | |
| Sept. 10 | Mist | 29° /12° | 0 mm | 7 | |
| Sept. 11 | Mist | 30° /13° | 0.2 mm | 7 | |
| Sept. 12 | Fog | 27° /13° | 3.6 mm | 7 | |
| Sept. 13 | Mist | 26° /11° | 0 mm | 6 | |
| Sept. 14 | Mist | 28° /10° | 0 mm | 7 | |
| Sept. 15 | Mist | 29° /11° | 0 mm | 7 | |
| Sept. 16 | Mist | 28° /11° | 0 mm | 7 | |
| Sept. 17 | Moderate or heavy rain shower | 24° /10° | 4.2 mm | 6 | |
| Sept. 18 | Mist | 25° /14° | 0 mm | 6 | |
| Sept. 19 | Light rain | 24° /8° | 0.6 mm | 6 | |
| Sept. 20 | Light rain | 28° /14° | 0.6 mm | 6 | |
| Sept. 21 | Overcast | 29° /15° | 0 mm | 7 | |
| Sept. 22 | Thundery outbreaks possible | 26° /17° | 5.6 mm | 6 | |
| Sept. 23 | Mist | 24° /13° | 2.2 mm | 6 | |
| Sept. 24 | Mist | 24° /11° | 4.2 mm | 6 | |
| Sept. 25 | Fog | 22° /15° | 1.7 mm | 5 | |
| Sept. 26 | Light drizzle | 25° /12° | 0.9 mm | 6 | |
| Sept. 27 | Heavy rain | 22° /14° | 13.9 mm | 5 | |
| Sept. 28 | Fog | 22° /15° | 4.4 mm | 5 | |
| Sept. 29 | Patchy rain possible | 22° /16° | 18.3 mm | 5 | |
| Sept. 30 | Mist | 24° /15° | 0 mm | 6 | |
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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.
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 12°. 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 64.2 mm spread over approximately 11 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 💧
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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