Weather in Charleston in September
The weather in Charleston is tropical and September is considered wet season, when there are over 15 days of rain accompanied by warm temperatures of over 30 degrees.
Avg Temp
20° - 30°
Avg Rainy Days
15
Avg Dry Days
15
Avg Snow Days
0
Weather Facts - Charleston in September
* The warmest temperature recorded in in September is 37°C
* The coldest temperature recorded in Charleston in September is 8°C
* The average rainfall in Charleston in September is 171 mm