Weather By Day

September Weather In Charleston  
September Charleston Weather
Record High: 102°F
Normal High: 85°F
Normal Low: 67°F
Record Low: 34°F
Avg Monthly Rain: 5.98"
Rec 1 Day Rain: 4.15"

Charleston Weather In September

The highest recorded temperature in September for Charleston South Carolina for the past 68 years was 102 degrees Fahrenheit, on September 3, 1953, and the standard high is 85. The coldest day reported in Charleston in September for the past 68 years was 34 most recently registered on September 24, 1983, while the typical low recorded temperature is 67.

United States National Weather Service historical Charleston September weather data indicates that on September 29, 1967, the measured high temperature did not exceed 47 degrees Fahrenheit, the lowest high measured in Charleston in the past 68 years. The Weather Service additionally shows that on September 6, 1985, the low for the day did not drop below 74 degrees, the highest low temperature in Charleston in the last 68 years.

Weather Service historical data shows that the average daily high temperature in Charleston on September First is 83 degrees Fahrenheit and the average high on the last day of September is 73 degrees. The low temperature in Charleston in September on the first day of the month averages 61 degrees and the low temperature on the last day of the month averages 50 degrees.

Charleston normally receives an average of 5.98 inches of rain during September. September Charleston Weather records indicated that on September 17, 2004 Charleston received 4.15 inches of precipitation, the most rain recorded in a single day in September.