Measurements:
°C
°F
Juneau
2°F
SW 9 mph
Feels like: -12°F
Precip: 0%
World Resorts USA Juneau Weather September Weather in Juneau

Juneau Weather: September

Average Day Temperature: 52.1°F
Average Night Temperature: 48.1°F
Sea Water Temperature: 51.7°F
Number of Sunny Days: 2 days
Sunshine Hours: 11.5 - 14.0 hours
Number of Rainy Days: 9 days
Precipitation Totals: 4.5 in

Air Temperature in September, °F

Select Year: 2024 2023 2022

The highest day temperature in September 2024 was 54°F. The lowest night temperature was 33°F. The average values for day and night temperatures during September were 49.3°F и 45.0°F respectivly.

Juneau Water Sea Temperature in September, °F

Select Year: 2024 2023 2022

The average sea surface temperature in September 2024 for Juneau was 50.9°F. The maximum and minimum values were 49.0°F and 54.6°F respectively.

Sunny, Cloudy and Gloomy days

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

Precipitation Totals in September, in

Precipitation total in September for Juneau is 4.5 in. It makes september one of the most rainy months of the year.

Wind Speed in September, mph

The average wind speed in September is 5.3 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 Juneau in September is 2.9 hours.

Best Time to Visit Juneau
The most sunny months:
May 7 days
July 6 days
March 6 days
The most warm months:
July 58.8 °F
August 58.3 °F
June 55.9 °F
Warmest sea temperature:
July 57.4 °F
August 56.8 °F
June 52.3 °F
The most cold months:
January 26.6 °F
December 27.4 °F
February 29.1 °F
The most rainy months:
October 12 days
November 9 days
September 9 days
The most windy months:
November 7 mph
January 7 mph
December 7 mph

Juneau on the Weather Map

USA Resorts:
NAME
Boston +48
Chicago +34
Hawaii +80
Honolulu +80
Houston +74
Las Vegas +68
Los Angeles +74
Maui +74
Miami +80
New York +48
San Diego +70
San Francisco +58
Sarasota +74
Tampa +72
Washington +48
24 Hours Weather Forecast
Juneau
Local time: 12:31
21 nov, thursday
1500 2°F
SW
9 mph
1800 0°F
SW
9 mph
2100 2°F
SW
8 mph
22 nov, friday
0000 2°F
SW
8 mph
0300 4°F
SW
7 mph
0600 4°F
SW
9 mph
0900 6°F
SW
9 mph
1200 10°F
SW
9 mph