Huntsville weather in September 2025

Expect daytime maximum temperatures of 28°C in Huntsville, Alabama in September based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 108 mm of rainfall in the month.

  • 28°C maximum daytime temperature in September in Huntsville28
    28°C max day temperature
  • 7 hours of sunshine per day
  • 8 days with some rainfall in September in Huntsville8
    8 days with some rainfall
  • 15°C minimum night-time temperature in September in Huntsville15
    15°C min night temperature
  • 12 hours of daylight per day in September in Huntsville12
    12 hours of daylight per day
  • Moderate heat & humidity in September in HuntsvilleM
    Moderate heat & humidity
  • 108 mm monthly rainfall in September in Huntsville108
    108 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in September in Huntsville8
    8 (Very High) UV index

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The September weather guide for Alabama (Huntsville) 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)

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How hot is it in Huntsville in September?

Daytime temperatures usually reach 28°C in Huntsville in September with moderate heat and humidity, falling to 15°C at night.

How sunny is it in Huntsville in September?

There are normally 7 hours of bright sunshine each day in Huntsville in September - that's 60% of daylight hours.

Does it rain in Huntsville in September?

There are usually 8 days with some rain in Huntsville in September and the average monthly rainfall is 108mm.

What is the chance of a hurricane in Huntsville in September?

On average less than 1 day in September in Huntsville is likely to be affected by the passage of one or more tropical storms.

Huntsville September sunrise & sunset times

Browse the sunrise and sunset times for Huntsville in September 2025. Select a month to view Huntsville sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:20 18:12
Monday, 15th September 2025 05:30 17:53
Tuesday, 30th September 2025 05:41 17:31

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