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Gatlinburg weather in September 2025
Expect 26°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Gatlinburg in September. Check more long-term weather averages for Gatlinburg in September before you book your next holiday to Tennessee in 2025/2026.
- 2626°C max day temperature
- 7 hours of sunshine per day
- 99 days with some rainfall
- 1313°C min night temperature
- 1212 hours of daylight per day
- LLow heat & humidity
- 9191 mm of monthly rainfall
- 88 (Very High) UV index
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The September weather guide for Tennessee (Gatlinburg) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
How hot is it in Gatlinburg in September?
Daytime temperatures usually reach 26°C in Gatlinburg in September with low heat and humidity, falling to 13°C at night.
How sunny is it in Gatlinburg in September?
There are normally 7 hours of bright sunshine each day in Gatlinburg in September - that's 59% of daylight hours.
Does it rain in Gatlinburg in September?
There are usually 9 days with some rain in Gatlinburg in September and the average monthly rainfall is 91mm.
What is the chance of a hurricane in Gatlinburg in September?
On average less than 1 day in September in Gatlinburg is likely to be affected by the passage of one or more tropical storms.
Gatlinburg September sunrise & sunset times
Browse the sunrise and sunset times for Gatlinburg in September 2025. Select a month to view Gatlinburg sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 06:06 | 19:01 |
Monday, 15th September 2025 | 06:17 | 18:41 |
Tuesday, 30th September 2025 | 06:28 | 18:19 |
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