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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

53°F

12°C

Humidity	49%
Wind Speed	E 7 mph
Barometer	30.47 in
Dewpoint	35°F (2°C)
Visibility	10.00 mi
Wind Chill	51°F (11°C)
Last update	7 Oct 10:55 pm MDT

More Information:

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

Extended Forecast for

3 Miles NW Deer Ridge CO

Tonight
Low: 46 °F
Mostly Clear
Thursday
High: 64 °F
Sunny then
Slight Chance
Showers
Thursday Night
Low: 44 °F
Decreasing
Clouds
Friday
High: 63 °F
Sunny
Friday Night
Low: 45 °F
Mostly Clear
and Breezy
Saturday
High: 60 °F
Mostly Sunny
and Breezy
Saturday Night
Low: 45 °F
Partly Cloudy
then Slight
Chance
Showers
Sunday
High: 58 °F
Mostly Cloudy
then Chance
Showers
Sunday Night
Low: 43 °F
Chance
Showers

Detailed Forecast

Tonight

Mostly clear, with a low around 46. West wind around 8 mph.

Thursday

A 20 percent chance of showers after 3pm. Mostly sunny, with a high near 64. West wind 3 to 8 mph.

Thursday Night

Mostly cloudy, then gradually becoming clear, with a low around 44. Calm wind becoming west 5 to 7 mph in the evening.

Friday

Sunny, with a high near 63. West southwest wind 6 to 9 mph, with gusts as high as 21 mph.

Friday Night

Mostly clear, with a low around 45. Breezy, with a west southwest wind 5 to 10 mph increasing to 11 to 16 mph in the evening. Winds could gust as high as 25 mph.

Saturday

Mostly sunny, with a high near 60. Breezy.

Saturday Night

A 20 percent chance of showers after midnight. Partly cloudy, with a low around 45.

Sunday

A chance of showers after noon. Partly sunny, with a high near 58.

Sunday Night

A chance of showers. Mostly cloudy, with a low around 43.

Columbus Day

A chance of showers, mainly after noon. Partly sunny, with a high near 57.

Monday Night

A chance of showers. Mostly cloudy, with a low around 41.