Weather in Indianapolis in September
The weather in Indianapolis in September varies radically. Daytime is relatively hot since temperatures get higher than 26 degrees, while the nights are much colder and there are no more than 13 degrees. Therefore, it is recommended to pack for both warm and chilly conditions
Avg Temp
13° - 26°
Avg Rainy Days
11
Avg Dry Days
19
Avg Snow Days
0
Weather Facts - Indianapolis in September
* The warmest temperature recorded in in September is 36°C
* The coldest temperature recorded in Indianapolis in September is 0°C
* The average rainfall in Indianapolis in September is 101 mm