Monthly climate guide
Gatlinburg weather in September
With highs near 27°C (80°F) and lows around 15°C (58°F), September feels warm in Gatlinburg. Rainfall averages about 96 mm (wet) and the sky is a mix of sun and cloud. Daytime highs are 2°C cooler than August and 6°C warmer than October.
What stands out in September
- Just 230 km apart, but Gatlinburg runs about 4°C cooler than Atlanta this month.
- Humidity near 74% makes 27°C feel stickier than it sounds.
- It cools down fast from here: October is about 6°C cooler.
- Only 2 months are warmer in Gatlinburg than September.
It's usually the driest month of the year.
Avg high
27°C
80°F
Avg low
15°C
58°F
Rainfall
96 mm
wet
Humidity
74%
relative
Sky
50%
cloud · a mix of sun and cloud
Gatlinburg weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 7°C / 44°F | -3°C / 27°F | 122 mm | 83% | 61% |
| February | 10°C / 49°F | -1°C / 31°F | 149 mm | 83% | 66% |
| March | 14°C / 57°F | 3°C / 37°F | 128 mm | 81% | 64% |
| April | 19°C / 66°F | 7°C / 44°F | 143 mm | 78% | 59% |
| May | 23°C / 73°F | 12°C / 54°F | 108 mm | 80% | 57% |
| June | 27°C / 80°F | 16°C / 62°F | 127 mm | 79% | 58% |
| July | 29°C / 83°F | 18°C / 65°F | 144 mm | 78% | 59% |
| August | 28°C / 83°F | 17°C / 63°F | 109 mm | 75% | 56% |
| September | 27°C / 80°F | 15°C / 58°F | 96 mm | 74% | 50% |
| October | 20°C / 69°F | 8°C / 47°F | 107 mm | 75% | 48% |
| November | 14°C / 56°F | 2°C / 35°F | 105 mm | 76% | 49% |
| December | 10°C / 50°F | 0°C / 33°F | 156 mm | 84% | 66% |
What to pack for September
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- An extra layer — evenings are noticeably cooler than afternoons
- A compact umbrella or packable rain jacket
- Water-resistant shoes
Is September a good time to visit Gatlinburg?
Compare the months in the chart above to find your ideal window.
Best time to visit Gatlinburg →Other United States cities in September
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Gatlinburg weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/usa/gatlinburg/september
<a href="https://weathercompare.eu/weather/usa/gatlinburg/september">Gatlinburg weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/usa/gatlinburg" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Gatlinburg weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/usa/gatlinburg/september">Gatlinburg weather in September</a> – WeatherCompare</p>
Gatlinburg in September: quick answers
Is September a good time to visit Gatlinburg?
Yes. September is one of the best months for Gatlinburg, with highs around 27°C and about 96 mm of rain.
How warm is Gatlinburg in September?
Average highs are about 27°C (80°F) and average lows about 15°C (58°F), based on 10 years of daily data.
Does it rain a lot in Gatlinburg in September?
Gatlinburg typically gets around 96 mm of rain in September — wet. It's usually the driest month of the year.
Figures are long-term averages for the area around Gatlinburg (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.