Measurements:
°C
°F
Chelan
36°F
SW 2 mph
Feels like: 28°F
Precip: 0%
World Resorts USA Chelan Weather September Weather in Chelan

Chelan Weather: September

Average Day Temperature: 77.9°F
Average Night Temperature: 55.7°F
Number of Sunny Days: 22 days
Sunshine Hours: 11.7 - 13.4 hours
Number of Rainy Days: 0 days
Precipitation Totals: 0.1 in

Air Temperature in September, °F

Select Year: 2025 2024 2023

The highest day temperature in September 2025 was 104°F. The lowest night temperature was 51°F. The average values for day and night temperatures during September were 83.3°F и 58.4°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 Chelan is 0.1 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 5.4 mph.

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 Chelan in September is 10.2 hours.

Best Time to Visit Chelan
The most sunny months:
July 28 days
August 25 days
September 22 days
The most warm months:
July 90.3 °F
August 87.6 °F
September 77.9 °F
The most cold months:
December 26.8 °F
January 28.2 °F
February 32.4 °F
The most rainy months:
January 1 day
March 0 days
May 0 days
The most windy months:
June 6 mph
May 6 mph
April 6 mph

Chelan on the Weather Map

USA Resorts:
NAME
Chicago 0
Hawaii +78
Honolulu +78
Houston +46
Las Vegas +44
Los Angeles +56
Maui +72
Miami +72
Miami Beach +80
New York +20
San Diego +58
San Francisco +48
Sarasota +64
Tampa +64
Washington +28
24 Hours Weather Forecast
Chelan
Local time: 21:59
05 dec, friday
0000 34°F
NE
2 mph
0300 32°F
N
2 mph
0600 32°F
NW
2 mph
0900 32°F
NW
3 mph
1200 34°F
W
1 mph
1500 42°F
E
4 mph
1800 44°F
NE
1 mph
2100 42°F
E
6 mph