Typical Weather in Chattanooga, TN in September
77° F Avg High
62° 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 77°F, which is warmer than usual in Chattanooga. You can expect overnight lows near 62°F most days. Temperatures will usually fall as the month goes on, with daily high temperatures ranging between 81°F and 72°F.
September is a great time to visit Chattanooga, with mild temperatures and sunny days being very common.
High Temps Throughout the Year
☔ Rain Summary
In September you can expect close to a 21% chance of rain for any given day. It rains less than usual in September, with total rainfall for the month typically near 6 inches.
Rainfall Throughout the Year
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