Measurements:
°C
°F
Aspen
18°F
NW 4 mph
Feels like: 12°F
Precip: 0%
World Resorts USA Aspen Weather September Weather in Aspen

Aspen Weather: September

Average Day Temperature: 66.7°F
Average Night Temperature: 38.1°F
Number of Sunny Days: 22 days
Sunshine Hours: 11.8 - 13.0 hours
Number of Rainy Days: 4 days
Precipitation Totals: 1.8 in

Air Temperature in September, °F

Select Year: 2024 2023 2022

The highest day temperature in September 2024 was 75°F. The lowest night temperature was 30°F. The average values for day and night temperatures during September were 67.3°F и 37.0°F respectivly.

Sunny, Cloudy and Gloomy days

Most of the days in September are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in September, in

Precipitation total in September for Aspen is 1.8 in. It makes september one of the least rainy months of the year.

Wind Speed in September, mph

The average wind speed in September is 5.7 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Aspen in September is 9.9 hours.

Best Time to Visit Aspen
The most sunny months:
June 23 days
September 22 days
July 21 days
The most warm months:
July 75.5 °F
August 73.1 °F
June 71.4 °F
The most cold months:
January 24.9 °F
December 25.2 °F
February 26.3 °F
The most rainy months:
July 8 days
August 6 days
May 5 days
The most windy months:
June 7 mph
May 6 mph
April 6 mph

Aspen on the Weather Map

USA Resorts:
NAME
Boston +10
Chicago +20
Hawaii +78
Honolulu +78
Houston +46
Las Vegas +50
Los Angeles +54
Miami +62
New York +16
Orlando +50
San Diego +54
San Francisco +54
Sarasota +48
Tampa +46
Washington +20
24 Hours Weather Forecast
Aspen
Local time: 03:20
22 dec, sunday
0600 16°F
NW
4 mph
0900 18°F
NW
4 mph
1200 38°F
NE
3 mph
1500 40°F
E
4 mph
1800 32°F
N
2 mph
2100 30°F
N
3 mph
23 dec, monday
0000 28°F
N
2 mph
0300 28°F
NE
1 mph