Typical Weather in Knoxville, TN in September
82° F Avg High
62° F Avg Low
6 Rainy Days
☀️ Temperature Summary
September is a popular time to visit, with an inviting climate featuring warm temperatures. September is one of the warmer months of the year for Knoxville, with highs averaging around 82°F. You can expect overnight lows near 62°F most days. Daily high temperatures can range between 84°F and 75°F for the month of September.
September is a great time to visit Knoxville, with mild temperatures and sunny days being very common.
High Temps Throughout the Year
🎒 What to Pack
Pick up a few of these items to keep your trip fun and comfortable.
☔ Rain Summary
You can expect about a 20% chance of rain for any given day in September. It's one of the drier months of the year for Knoxville, with total rainfall for the month around 3 inches.
Rainfall Throughout the Year
Planning a trip to Knoxville? Try our free trip weather planner