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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.

Mostly Cloudy

81°F

27°C

Humidity	16%
Wind Speed	N 3 mph
Barometer	29.87 in
Dewpoint	30°F (-1°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	9 Oct 4:55 pm MDT

More Information:

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

Extended Forecast for

2 Miles NNE Eldorado Springs CO

Tonight
Low: 59 °F
Decreasing
Clouds
Saturday
High: 83 °F
Increasing
Clouds
Saturday Night
Low: 60 °F
Mostly Cloudy
Sunday
High: 80 °F
Mostly Cloudy
Sunday Night
Low: 54 °F
Partly Cloudy
Columbus Day
High: 78 °F
Sunny
Monday Night
Low: 50 °F
Mostly Clear
Tuesday
High: 70 °F
Mostly Sunny
then Slight
Chance
Showers
Tuesday Night
Low: 47 °F
Chance
Showers

Detailed Forecast

Tonight

Mostly cloudy, then gradually becoming clear, with a low around 59. West northwest wind 8 to 13 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

Saturday

Increasing clouds, with a high near 83. West southwest wind 3 to 8 mph.

Saturday Night

Mostly cloudy, with a low around 60. Light southwest wind becoming west southwest 5 to 9 mph. Winds could gust as high as 17 mph.

Sunday

Mostly cloudy, with a high near 80. Light and variable wind becoming east southeast around 6 mph.

Sunday Night

Partly cloudy, with a low around 54. West southwest wind around 6 mph becoming calm after midnight.

Columbus Day

Sunny, with a high near 78.

Monday Night

Mostly clear, with a low around 50.