Weather in Mount Vernon in September

Mount Vernon temperatures in September range from 17 to 26 and there is an average of 12 days of rain.
Avg Temp
17° - 26°
Avg Rainy Days
12
Avg Dry Days
18
Avg Snow Days
0

Weather Facts - Mount Vernon in September

* The warmest temperature recorded in in September is 35°C
* The coldest temperature recorded in Mount Vernon in September is 7°C
* The average rainfall in Mount Vernon in September is 110 mm

Average Temperature in Mount Vernon