Typical Weather in Charleston, SC in September
83° F Avg High
72° F Avg Low
6 Rainy Days
☀️ Temperature Summary
September is a popular time of year to visit, with an inviting climate characterized by warm temperatures. Highs in September are typically around 83°F, which is warmer than usual in Charleston. You can expect overnight lows near 72°F most days.
September is a great time to visit Charleston, with mild temperatures and sunny days being very common.
High Temps Throughout the Year
☔ Rain Summary
You can expect about a 20% chance of rain for any given day in September. It's one of the rainier months of the year for Charleston, with total rainfall for the month around 5 inches.
Rainfall Throughout the Year
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