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Denver's Monthly Weather Summary for September 2026

Current conditions at

Granby-Grand County Airport (KGNB)

Lat: 40.09°NLon: 105.92°WElev: 8207ft.

Mostly Cloudy

41°F

5°C

Humidity	64%
Wind Speed	NW 8 mph
Barometer	30.55 in
Dewpoint	30°F (-1°C)
Visibility	10.00 mi
Wind Chill	36°F (2°C)
Last update	15 Oct 10:15 am MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Winter Park CO

Today
High: 41 °F
Chance Snow
Showers
Tonight
Low: 18 °F
Mostly Clear
Friday
High: 52 °F
Sunny
Friday Night
Low: 27 °F
Clear
Saturday
High: 58 °F
Sunny
Saturday Night
Low: 35 °F
Mostly Clear
Sunday
High: 57 °F
Mostly Sunny
Sunday Night
Low: 32 °F
Partly Cloudy
Monday
High: 56 °F
Mostly Sunny

Detailed Forecast

Today

A 40 percent chance of snow showers, mainly before noon. Cloudy early, then gradual clearing, with a high near 41. Northwest wind 5 to 8 mph becoming east northeast in the afternoon. Total daytime snow accumulation of less than a half inch possible.

Tonight

Mostly clear, with a low around 18. North northwest wind around 6 mph becoming light and variable after midnight.

Friday

Sunny, with a high near 52. Light and variable wind.

Friday Night

Clear, with a low around 27. Calm wind becoming southwest around 6 mph after midnight.

Saturday

Sunny, with a high near 58. West northwest wind 3 to 6 mph.

Saturday Night

Mostly clear, with a low around 35.

Sunday

Mostly sunny, with a high near 57.