Vail weather in September 2025

Expect 63°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Vail in September. Check more long-term weather averages for Vail in September before you book your next holiday to Colorado in 2025/2026.

  • 63°F maximum daytime temperature in September in Vail63
    63°F max day temperature
  • 9 hours of sunshine per day
  • 8 days with some rainfall in September in Vail8
    8 days with some rainfall
  • 28°F minimum night-time temperature in September in Vail28
    28°F min night temperature
  • 12 hours of daylight per day in September in Vail12
    12 hours of daylight per day
  • No heat & humidity in September in Vail0
    No heat & humidity
  • 1.5 inches monthly rainfall in September in Vail1.5
    1.5 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in September in Vail8
    8 (Very High) UV index

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The September weather guide for Colorado (Vail) 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 warm is it in Vail in September?

Daytime temperatures usually reach 63°F in Vail in September, falling to 28°F at night.

How sunny is it in Vail in September?

There are normally 9 hours of bright sunshine each day in Vail in September - that's 70% of daylight hours.

Does it rain in Vail in September?

There are usually 8 days with some rain in Vail in September and the average monthly rainfall is 1.5 inches.

Vail September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:34 18:36
Monday, 15th September 2025 05:47 18:13
Tuesday, 30th September 2025 06:01 17:49

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