Mountain air

Telluride, Colorado weather in September

Temperature, rain and sunshine in September: long-term averages from 30 years of weather data, not a forecast.

87

Holiday weather in September

Excellent

Best time to visit: June – July, September

Best for skiing: January – April

What is the weather like in Telluride, Colorado in September?

In September, Telluride, Colorado is mild: daytime highs average 19 °C, and nights cool down to about 5 °C. The sun shines for around 8 hours a day. Rain falls on about 8 days, adding up to 40 mm. All in all, September is an excellent month for a holiday in Telluride, Colorado.

September compared

How the weather changes from August to October. Tap a month to open it.

AugustAugSeptemberSepOctoberOct
Score828760
Day22°19°11°
Night8°5°−2°
Sun8 h8 h7 h
Rain days1188

More details for September

Daylight
12 h 29 min06:52 – 19:21
UV index
8 · very highclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
12 km/haverage daily peakAll months
Cloud cover
31 %on averageAll months
Hot days
0 days30 °C or more
Snow days
0 days1 cm or more of fresh snowAll months
Time zone
UTC−6America/Denver

How the score comes together

  • Temperatureweight 50 %100 %
  • Sunshineweight 20 %78 %
  • Few rainy daysweight 30 %72 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Mountain air”.

What to pack in September

  • Sunscreen
  • Sunglasses & sun hat
  • A jumper for the evenings

Telluride, Colorado in September: quick answers

Is Telluride, Colorado hot in September?

No. In September, Telluride, Colorado is mild: daytime highs average 19 °C and nights drop to about 5 °C.

Does it rain much in Telluride, Colorado in September?

Rain falls on about 8 days, adding up to 40 mm.

Telluride, Colorado month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences