Glenwood Springs weather in September 2025

Expect 68°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Glenwood Springs in September. Check more long-term weather averages for Glenwood Springs in September before you book your next holiday to Colorado in 2025/2026.

  • 68°F maximum daytime temperature in September in Glenwood Springs68
    68°F max day temperature
  • 9 hours of sunshine per day
  • 8 days with some rainfall in September in Glenwood Springs8
    8 days with some rainfall
  • 32°F minimum night-time temperature in September in Glenwood Springs32
    32°F min night temperature
  • 12 hours of daylight per day in September in Glenwood Springs12
    12 hours of daylight per day
  • No heat & humidity in September in Glenwood Springs0
    No heat & humidity
  • 1.6 inches monthly rainfall in September in Glenwood Springs1.6
    1.6 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in September in Glenwood Springs8
    8 (Very High) UV index

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The September weather guide for Colorado (Glenwood Springs) 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 Glenwood Springs in September?

Daytime temperatures usually reach 68°F in Glenwood Springs in September, falling to 32°F at night.

How sunny is it in Glenwood Springs in September?

There are normally 9 hours of bright sunshine each day in Glenwood Springs in September - that's 73% of daylight hours.

Does it rain in Glenwood Springs in September?

There are usually 8 days with some rain in Glenwood Springs in September and the average monthly rainfall is 1.6 inches.

Glenwood Springs September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:38 18:40
Monday, 15th September 2025 05:51 18:17
Tuesday, 30th September 2025 06:05 17:53

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