Telluride weather in September 2025

Expect 15°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Telluride in September. Check more long-term weather averages for Telluride in September before you book your next holiday to Colorado in 2025/2026.

  • 15°C maximum daytime temperature in September in Telluride15
    15°C max day temperature
  • 9 hours of sunshine per day
  • 8 days with some rainfall in September in Telluride8
    8 days with some rainfall
  • -4°C minimum night-time temperature in September in Telluride-4
    -4°C min night temperature
  • 12 hours of daylight per day in September in Telluride12
    12 hours of daylight per day
  • No heat & humidity in September in Telluride0
    No heat & humidity
  • 65 mm monthly rainfall in September in Telluride65
    65 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in September in Telluride8
    8 (Very High) UV index

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The September weather guide for Colorado (Telluride) 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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More about the USA

How warm is it in Telluride in September?

Daytime temperatures usually reach 15°C in Telluride in September, falling to -4°C at night.

How sunny is it in Telluride in September?

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

Does it rain in Telluride in September?

There are usually 8 days with some rain in Telluride in September and the average monthly rainfall is 65mm.

Telluride September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:42 18:40
Monday, 15th September 2025 05:53 18:18
Tuesday, 30th September 2025 06:06 17:55

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