In September, the weather in Fort Wayne is typically warm. Average daily high temperature in September is about 24 degrees above zero. On average, Fort Wayne has 11 sunny, 9 partly cloudy, 8 rainy, and 2 cloudy days in September. The rains are usually moderate. September as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit Fort Wayne.