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Denver's Monthly Weather Summary for September 2026

Current conditions at

Boulder Municipal Airport (KBDU)

Lat: 40.04°NLon: 105.23°WElev: 5288ft.

Overcast

45°F

7°C

Humidity	100%
Wind Speed	SW 5 mph
Barometer	30.41 in
Dewpoint	45°F (7°C)
Visibility	10.00 mi
Wind Chill	42°F (6°C)
Last update	15 Oct 9:15 am MDT

More Information:

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

Extended Forecast for

Rollinsville CO

Today
High: 40 °F
Chance Snow
Showers then
Slight Chance
Snow Showers
Tonight
Low: 19 °F
Mostly Clear
Friday
High: 49 °F
Sunny
Friday Night
Low: 31 °F
Clear
Saturday
High: 61 °F
Sunny
Saturday Night
Low: 35 °F
Mostly Clear
Sunday
High: 57 °F
Mostly Sunny
Sunday Night
Low: 34 °F
Partly Cloudy
Monday
High: 58 °F
Sunny

Detailed Forecast

Today

A 50 percent chance of snow showers, mainly before noon. Mostly cloudy, with a high near 40. North northeast wind 3 to 8 mph. Total daytime snow accumulation of less than a half inch possible.

Tonight

Mostly clear, with a low around 19. Calm wind becoming west around 5 mph.

Friday

Sunny, with a high near 49. Light and variable wind.

Friday Night

Clear, with a low around 31. Calm wind becoming west 5 to 7 mph in the evening. Winds could gust as high as 18 mph.

Saturday

Sunny, with a high near 61. West wind 5 to 9 mph becoming calm in the afternoon. Winds could gust as high as 21 mph.

Saturday Night

Mostly clear, with a low around 35.

Sunday

Mostly sunny, with a high near 57.