Colorado, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and Climate
Telluride, CO

  • The average high temperature in September: 15°C

The warmest month (with the highest average high temperature) is July (20°C).
The month with the lowest average high temperature is January (-3°C).

  • The average low temperature in September: -4°C

The month with the highest average low temperature is July (0°C).
The coldest month (with the lowest average low temperature) is January (-20°C).

  • The average rainfall in September: 65mm

The wettest month (with the highest rainfall) is August (84mm).
The driest month (with the lowest rainfall) is June (38mm).

  • The average rainfall days in September: 8 days

The month with the highest number of rainy days is August (11 days).
Months with the lowest number of rainy days are January, February, October and November (6 days).

  • The average daylight in September: 12h

The month with the longest days is June (Average daylight: 15h).
Months with shortest days are January, November and December (Average daylight: 10h).

  • The average sunshine in September: 9h

The month with most sunshine is June (Average sunshine: 11h).
Months with least sunshine are January, November and December (Average sunshine: 7).

  • The average UV index in September: 8

The month with the highest UV index is July (UV index 12).
The month with the lowest UV index is December (UV index 2).