September weather forecastRed Devil, AK
September
Weather in September
September, the first month of the autumn in Red Devil, is still a cool month, with an average temperature fluctuating between 37.6°F (3.1°C) and 50.4°F (10.2°C).Temperature
The onset of September brings a small change in high-temperatures, falling from a refreshing 59.5°F (15.3°C) in August to a cool 50.4°F (10.2°C). Red Devil, during September, witnesses an average low-temperature of 37.6°F (3.1°C).Humidity
In Red Devil, the average relative humidity in September is 82%.Rainfall
In September, in Red Devil, the rain falls for 17.6 days. Throughout September, 2.4" (61mm) of precipitation is accumulated. Throughout the year, there are 135.6 rainfall days, and 19.72" (501mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 1.1 snowfall days, it receives 0.2" (5mm) of snow. In Red Devil, during the entire year, snow falls for 104.6 days and aggregates up to 50.39" (1280mm) of snow.Daylight
The average length of the day in September in Red Devil is 12h and 53min.On the first day of the month, sunrise is at 7:22 am and sunset at 9:35 pm. On the last day of September, in Red Devil, Alaska, sunrise is at 8:36 am and sunset at 8:01 pm AKDT.
Sunshine
In September, the average sunshine is 5h.UV index
The average daily maximum UV index in September is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: A maximum daily UV index of 2 during September morphs into the following directions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Red Devil, AK
- Average high temperature in September: 50.4°F
The warmest month (with the highest average high temperature) is July (64.4°F).
The month with the lowest average high temperature is January (6.4°F).
- Average low temperature in September: 37.6°F
The month with the highest average low temperature is July (48°F).
The coldest month (with the lowest average low temperature) is January (-3.6°F).
Average pressure in September
Red Devil, AK
- Average pressure in September: 29.74"Hg
The month with the highest atmospheric pressure is July (29.93"Hg).
The month with the lowest atmospheric pressure is October (29.7"Hg).
Average wind speed in September
Red Devil, AK
- Average wind speed in September: 6.4mph
The windiest month (with the highest average wind speed) is October (6.8mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in September
Red Devil, AK
- Average humidity in September: 82%
The months with the highest relative humidity are February, March and December (94%).
The month with the lowest relative humidity is June (65%).
Average rainfall in September
Red Devil, AK
- Average rainfall in September: 2.4"
The wettest month (with the highest rainfall) is August (2.52").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in September
Red Devil, AK
- Average rainfall days in September: 17.6 days
The month with the highest number of rainy days is August (19.9 days).
The month with the least rainy days is January (3.9 days).
Average snowfall in September
Red Devil, AK
- Average snowfall in September: 0.2"
The month with the highest snowfall is December (9.92").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Red Devil, AK
- Average snowfall days in September: 1.1 days
The month with the highest number of snowfall days is March (18 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Red Devil, AK
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 19h and 30min).
The month with the shortest days is December (Average daylight: 5h and 24min).
- Average sunshine in September: 5h and 0min
The month with the most sunshine is May (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 2h and 18min).
Average sunshine days in September
Red Devil, AK
- Average sunshine days in September: 10 days
The month with the most sunshine days is January (18.3 days).
The month with the least sunshine days is April (8.4 days).
Average UV index in September
Red Devil, AK
- Average UV index in September: 2
The months with the highest UV index are May and July (UV index 4).
The months with the lowest UV index are January, February, March, October and December (UV index 1).
Average cloud cover in September
Red Devil, AK
- Average cloud cover in September: 60
The month with the most cloud cover is April (Cloud cover 69).
The month with the least cloud cover is June (Cloud cover 50).
Average visibility in September
Red Devil, AK
- Average visibility in September: 5mi
The months with the highest visibility are May, June and July (6mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).
