Tennessee weather in September
There's a real gradient across Tennessee in September: 86° afternoons in Memphis, 78° in Gatlinburg.
Based on 3 weather stations. Three stations from the Mississippi to the Smokies — and the high ridges above Gatlinburg run colder still than the valley numbers here.
West Tennessee
Highs near 86°, nights around 66°, and 3.0 in of rain in a typical September.
| Place | Highs / lows | Wet days | The short version |
|---|---|---|---|
| Memphis | 86° / 66° | 4 | The wettest weather quits, and the evenings turn usable again. |
Middle Tennessee
Highs near 84°, nights around 62°, and 3.8 in of rain in a typical September.
| Place | Highs / lows | Wet days | The short version |
|---|---|---|---|
| Nashville | 84° / 62° | 5 | Football owns the weekends; the mornings turn kind. |
The Smokies
Highs near 78°, nights around 56°, and 4.3 in of rain in a typical September.
| Place | Highs / lows | Wet days | The short version |
|---|---|---|---|
| Gatlinburg | 78° / 56° | 7 | Drier, emptier, and the elk start bugling in Cataloochee. |
Each place above has its own page for the full story — what the month feels like, what to pack, and whether the timing is right.