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
With the beginning of September, the average high-temperature shows a decrease, transitioning from a mild 60.3°F (15.7°C) in August to a chilly 47.5°F (8.6°C). Nighttime temperatures consistently average a cold 33.1°F (0.6°C) during September.Humidity
In September, the average relative humidity is 75%.Rainfall
In Bettles, in September, during 11.3 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. In Bettles, during the entire year, the rain falls for 76.6 days and collects up to 9.72" (247mm) of precipitation.Snowfall
Months with snowfall in Bettles are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 3.8 snowfall days, it receives 1.06" (27mm) of snow. In Bettles, Alaska, during the entire year, snow falls for 88.7 days and aggregates up to 35.59" (904mm) of snow.Daylight
The average length of the day in September in Bettles is 13h and 6min.On the first day of the month, sunrise is at 6:41 am and sunset at 9:30 pm. On the last day of September, sunrise is at 8:17 am and sunset at 7:33 pm AKDT.
Sunshine
The average sunshine in September in Bettles is 6.7h.UV index
January, March, April, September, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 1 in September translates into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. To protect against the Sun's most potent rays, avoid direct exposure around midday. Experience reduced UV exposure by about half when donning a wide-brim hat. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Frequently asked questions
What is the usual temperature for Bettles in September?
What is the average humidity in September in Bettles?
How many days does it rain in September in Bettles?
When does it start to snow in Bettles?
How many hours of daylight does Bettles have in September?
When is the sunrise / sunset in September in Bettles?
How many hours of sunshine does Bettles have in September?
What is the month with the lowest UV index in Bettles?
What is the UV index reading in September in Bettles?
Average temperature in September
Bettles, AK
- Average high temperature in September: 47.5°F
The warmest month (with the highest average high temperature) is July (68.2°F).
The month with the lowest average high temperature is January (-2.7°F).
- Average low temperature in September: 33.1°F
The month with the highest average low temperature is July (49.3°F).
The coldest month (with the lowest average low temperature) is January (-13.5°F).
Average pressure in September
Bettles, AK
- Average pressure in September: 29.8"Hg
The months with the highest atmospheric pressure are January and February (30.01"Hg).
The month with the lowest atmospheric pressure is September (29.8"Hg).
Average wind speed in September
Bettles, AK
- Average wind speed in September: 4.5mph
The windiest months (with the highest average wind speed) are June and July (5.1mph).
The calmest month (with the lowest average wind speed) is February (4.1mph).
Average humidity in September
Bettles, AK
- Average humidity in September: 75%
The month with the highest relative humidity is April (93%).
The month with the lowest relative humidity is June (52%).
Average rainfall in September
Bettles, AK
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is August (1.5").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in September
Bettles, AK
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is August (14.8 days).
The month with the least rainy days is January (1.3 days).
Average snowfall in September
Bettles, AK
- Average snowfall in September: 1.06"
The month with the highest snowfall is December (6.54").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Bettles, AK
- Average snowfall days in September: 3.8 days
The month with the highest number of snowfall days is December (13.4 days).
The month with the least snowfall days is July (0 days).
Average daylight in September /
Average sunshine in September
Bettles, AK
- Average daylight in September: 13h and 1min
The month with the longest days is May (Average daylight: 20h and 0min).
The month with the shortest days is June (Average daylight: 0h and 48min).
- Average sunshine in September: 6h and 4min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is June (Average sunshine: 0h and 36min).
Average sunshine days in September
Bettles, AK
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is January (22.7 days).
The month with the least sunshine days is August (14.2 days).
Average UV index in September
Bettles, AK
- Average UV index in September: 1
The months with the highest UV index are May, June and July (UV index 4).
The months with the lowest UV index are January, March, April, September, November and December (UV index 1).
Average cloud cover in September
Bettles, AK
- Average cloud cover in September: 52
The month with the most cloud cover is April (Cloud cover 58).
The month with the least cloud cover is June (Cloud cover 36).
Average visibility in September
Bettles, AK
- Average visibility in September: 6mi
The months with the highest visibility are June, July, August and September (6mi).
The month with the lowest visibility is April (3mi).
Bettles, Alaska, USA
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