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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.

Fair

36°F

2°C

Humidity	75%
Wind Speed	E 6 mph
Barometer	30.37 in
Dewpoint	28°F (-2°C)
Visibility	10.00 mi
Wind Chill	31°F (-1°C)
Last update	9 Oct 5:35 am MDT

More Information:

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

Extended Forecast for

2 Miles NNE Winter Park CO

Today
High: 61 °F
Sunny then
Slight Chance
Showers
Tonight
Low: 40 °F
Slight Chance
Showers then
Mostly Clear
Saturday
High: 58 °F
Sunny then
Chance
Showers
Saturday Night
Low: 41 °F
Mostly Cloudy
Sunday
High: 58 °F
Mostly Cloudy
Sunday Night
Low: 42 °F
Slight Chance
Showers
Columbus Day
High: 59 °F
Sunny
Monday Night
Low: 38 °F
Slight Chance
Showers then
Mostly Clear
Tuesday
High: 54 °F
Mostly Sunny
then Chance
Showers

Detailed Forecast

Today

A 20 percent chance of showers after noon. Increasing clouds, with a high near 61. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 16 mph.

Tonight

A 20 percent chance of showers before 8pm. Mostly clear, with a low around 40. West wind 7 to 9 mph, with gusts as high as 17 mph.

Saturday

A slight chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 58. West wind 6 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 30%.

Saturday Night

Mostly cloudy, with a low around 41. West southwest wind 5 to 7 mph.

Sunday

Mostly cloudy, with a high near 58. Southwest wind 3 to 7 mph.

Sunday Night

A 20 percent chance of showers. Partly cloudy, with a low around 42.

Columbus Day

Sunny, with a high near 59.

Monday Night

A slight chance of showers before midnight. Mostly clear, with a low around 38.

Tuesday

A chance of showers after noon. Mostly sunny, with a high near 54.