Telluride Weather in September

What's the weather like in Telluride (Colorado) in September 2025?

The climate in Telluride during September can be summarized as cool and reasonably dry.

September is in the fall / autumn in Telluride and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 15°C (58°F), whilst at night -4°C (24°F) is normal.

Telluride weather averages (imperial / metric)
Daytime temperature 14.7°C 58.4°F
Nightly temperature -4.3°C 24.4°F
Average temperature 5.2°C 41.4°F
Daily sunshine 9.6 hrs
Avg rainfall 65 mm 2.6 ins
Rainy days 9 days
Sea temperature 18.8°C 65.9°F
Humidity 49%
Windspeed 15.8kph 10 mph

On average September is the 4th wettest month of the year in Telluride with around 65mm 2.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.6 hours of sunshine per day.

September temperatures in Telluride

Telluride average temperature in September

September rainfall

Telluride average rain in September

September hourly sunshine

Telluride average rain in September

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Telluride in September 2025.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Telluride weather stats

Telluride weather statistics
Hottest month: July 19.2°C 66.6°F
Driest month: June 38mm 1.5ins
Sunniest month: June 11.6hrs
Coldest month: January -3.1°C 26.4°F
Wettest month: August 84mm 3.3ins
Map showing location of Telluride (37.93749, -107.81229) Telluride map pin © Google

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