Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September brings a decrease in the average high-temperature, falling from August's mild 59.5°F (15.3°C) to a fresh 50.4°F (10.2°C). Red Devil reports a consistent average low-temperature of 37.6°F (3.1°C) throughout September nights.Humidity
In Red Devil, the average relative humidity in September is 82%.Rainfall
In Red Devil, in September, it is raining for 17.6 days, with typically 2.4" (61mm) of accumulated precipitation. In Red Devil, during the entire year, the rain falls for 135.6 days and collects up to 19.72" (501mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows in Red Devil. Throughout September, in the average 1.1 snowfall days, it receives 0.2" (5mm) of snow. Throughout the year, there are 104.6 snowfall days, and 50.39" (1280mm) of snow is accumulated.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
The average sunshine in September in Red Devil is 5h.UV index
The average daily maximum UV index in September in Red Devil, Alaska, is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: An average UV index of 2 in September transforms into this advice:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
What is the average September temperature in Red Devil?
What is the average humidity in September in Red Devil?
How much does it rain in Red Devil in September?
When does it start to snow in Red Devil?
How many hours of daylight does Red Devil have in September?
When is the sunrise / sunset in September in Red Devil?
How many hours of sunshine does Red Devil have in September?
What is the UV index intensity in September in Red Devil?
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 5min
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).
Red Devil, Alaska, USA
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