Gatlinburg weather in September 2025

Expect 79°F 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.

  • 79°F maximum daytime temperature in September in Gatlinburg79
    79°F max day temperature
  • 7 hours of sunshine per day
  • 9 days with some rainfall in September in Gatlinburg9
    9 days with some rainfall
  • 55°F minimum night-time temperature in September in Gatlinburg55
    55°F min night temperature
  • 12 hours of daylight per day in September in Gatlinburg12
    12 hours of daylight per day
  • Low heat & humidity in September in GatlinburgL
    Low heat & humidity
  • 3.6 inches monthly rainfall in September in Gatlinburg3.6
    3.6 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in September in Gatlinburg8
    8 (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)  |  Imperial (°F)

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How hot is it in Gatlinburg in September?

Daytime temperatures usually reach 79°F in Gatlinburg in September with low heat and humidity, falling to 55°F 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 3.6 inches.

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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