September is a good month at Great Smoky Mountains — it ranks 7th of the twelve here. Expect about 26% fewer visitors than October, the park's peak — 1,195,307 visits on average. Days run around 78°F by afternoon and 56°F at night, with 12.3 hours of daylight.
September against the park's best
| Month | Verdict | Avg. visits | vs. peak | High | Low | Snow | Daylight |
|---|---|---|---|---|---|---|---|
| September (this page) | Good | 1,195,307 | −26% | 78°F | 56°F | 0" | 12.3 h |
| February (best) | Good | 485,531 | −70% | 51°F | 29°F | 2.4" | 10.8 h |
| October (peak crowds) | Good | 1,607,149 | peak | 69°F | 44°F | 0" | 11.2 h |
Weather figures are for the Gatlinburg / Sugarlands area (the high crest runs 10–20°F cooler) — the Gatlinburg 2 Sw station. Visits are 2021–2025 averages; climate normals cover 1991–2020. Conditions vary across the park; check current status before you go.
Common questions
Is September a good time to visit Great Smoky Mountains?
It is a reasonable month — the park has stronger ones, but the records don't argue against it. September ranks 7 of 12 at Great Smoky Mountains on crowds, weather, daylight, and access together.
How crowded is Great Smoky Mountains in September?
About 1,195,307 recreation visits on average — 26% below October, the park's peak.
How warm is Great Smoky Mountains in September?
Average highs around 78°F and lows around 56°F at the Gatlinburg 2 Sw station.
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