The climate in Fort Wayne during September can be summarized as warm and reasonably dry.
September is in the fall / autumn in Fort Wayne and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 24°C (76°F), whilst at night 12°C (53°F) is normal.
| Daytime temperature | 24.3°C 75.7°F |
|---|---|
| Nightly temperature | 11.9°C 53.4°F |
| Average temperature | 18.1°C 64.6°F |
| Daily sunshine | 9 hrs |
| Avg rainfall | 72 mm 2.8 ins |
| Rainy days | 9 days |
| Sea temperature | 20.2°C 68.4°F |
| Humidity | 73% |
| Windspeed | 14kph 9 mph |
On average September is the 5th driest month of the year in Fort Wayne with around 72mm 2.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 9 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Fort Wayne in September 2025.
Best places to visit in September
| Hottest month: | July | 28.9°C 84°F |
|---|---|---|
| Driest month: | January | 48mm 1.9ins |
| Sunniest month: | July | 11.7hrs |
| Coldest month: | January | -1°C 30.2°F |
| Wettest month: | June | 94mm 3.7ins |