Tennessee weather in September 2025

Expect 28°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Tennessee in September. Check more long-term weather averages for Tennessee in September before you book your next holiday to Tennessee in 2025/2026.

  • 28°C maximum daytime temperature in September in Tennessee (Nashville)28
    28°C max day temperature
  • 8 hours of sunshine per day
  • 8 days with some rainfall in September in Tennessee (Nashville)8
    8 days with some rainfall
  • 16°C minimum night-time temperature in September in Tennessee (Nashville)16
    16°C min night temperature
  • 12 hours of daylight per day in September in Tennessee (Nashville)12
    12 hours of daylight per day
  • Moderate heat & humidity in September in Tennessee (Nashville)M
    Moderate heat & humidity
  • 90 mm monthly rainfall in September in Tennessee (Nashville)90
    90 mm of monthly rainfall
  • UV (maximum) index 7 (High) in September in Tennessee (Nashville)7
    7 (High) UV index

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The September weather guide for Tennessee (Nashville) 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.

Top Tennessee destinations

Below are average maximum temperatures at popular countries, regions and places in Tennessee in September. Select a holiday destination to see more weather parameters.

All Tennessee destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Tennessee in September?

Daytime temperatures usually reach 28°C in Nashville, Tennessee in September with moderate heat and humidity, falling to 16°C at night.

How sunny is it in Tennessee in September?

There are normally 8 hours of bright sunshine each day in Nashville, Tennessee in September - that's 61% of daylight hours.

Does it rain in Tennessee in September?

There are usually 8 days with some rain in Nashville, Tennessee in September and the average monthly rainfall is 90mm.

Tennessee September sunrise & sunset times

Browse the sunrise and sunset times for Tennessee in September 2025. Select a month to view Tennessee sunrise and sunset times for the next 12 months. The Tennessee sunrise and sunset times shown below are for Nashville.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:19 18:14
Monday, 15th September 2025 05:30 17:54
Tuesday, 30th September 2025 05:42 17:32

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