Weather in Allentown in September
Allentown temperatures in September range from 12 to 25 and there is an average of 14 days of rain.
Avg Temp
12° - 25°
Avg Rainy Days
14
Avg Dry Days
16
Avg Snow Days
0
Weather Facts - Allentown in September
* The warmest temperature recorded in in September is 35°C
* The coldest temperature recorded in Allentown in September is 0°C
* The average rainfall in Allentown in September is 127 mm