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
September
Weather in September
Temperature
The commencement of September notes an average high-temperature of an icy 39.9°F (4.4°C), exhibiting little difference from the previous month. September nighttime temperatures hover close to the daytime peak with an average of 34.7°F (1.5°C).Humidity
In Atqasuk, the average relative humidity in September is 82%.Rainfall
In Atqasuk, Alaska, during September, the rain falls for 9.9 days and regularly aggregates up to 0.83" (21mm) of precipitation. Throughout the year, there are 66.3 rainfall days, and 7.99" (203mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through December. In Atqasuk, Alaska, in September, during 10.1 snowfall days, 1.61" (41mm) of snow is typically accumulated. In Atqasuk, during the entire year, snow falls for 134.6 days and aggregates up to 19.88" (505mm) of snow.Daylight
In Atqasuk, the average length of the day in September is 13h and 19min.On the first day of the month, sunrise is at 6:46 am and sunset at 10:11 pm. On the last day of September, sunrise is at 8:46 am and sunset at 7:52 pm AKDT.
Sunshine
The average sunshine in September is 4.1h.UV index
January through March, September through 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 health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 1 suggests this advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is September?
What is the average humidity in September?
How much does it rain in September?
How many days does it snow in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What are the months with the lowest UV index?
What is the UV index reading in September in Atqasuk?
Average temperature in September
Atqasuk, AK
- Average high temperature in September: 39.9°F
The warmest month (with the highest average high temperature) is July (49.3°F).
The month with the lowest average high temperature is January (-1.8°F).
- Average low temperature in September: 34.7°F
The month with the highest average low temperature is July (40.6°F).
The coldest month (with the lowest average low temperature) is January (-10.3°F).
Average pressure in September
Atqasuk, AK
- Average pressure in September: 29.84"Hg
The month with the highest atmospheric pressure is March (30.08"Hg).
The month with the lowest atmospheric pressure is September (29.84"Hg).
Average wind speed in September
Atqasuk, AK
- Average wind speed in September: 12.4mph
The windiest month (with the highest average wind speed) is October (14.3mph).
The calmest month (with the lowest average wind speed) is May (10.7mph).
Average humidity in September
Atqasuk, AK
- Average humidity in September: 82%
The months with the highest relative humidity are January, February, March and December (94%).
The month with the lowest relative humidity is June (77%).
Average rainfall in September
Atqasuk, AK
- Average rainfall in September: 0.83"
The wettest month (with the highest rainfall) is August (1.34").
The driest month (with the least rainfall) is January (0.31").
Average rainfall days in September
Atqasuk, AK
- Average rainfall days in September: 9.9 days
The months with the highest number of rainy days are July and August (13 days).
The month with the least rainy days is December (0.7 days).
Average snowfall in September
Atqasuk, AK
- Average snowfall in September: 1.61"
The month with the highest snowfall is October (3.43").
The month with the least snowfall is July (0.08").
Average snowfall days in September
Atqasuk, AK
- Average snowfall days in September: 10.1 days
The month with the highest number of snowfall days is December (18.4 days).
The month with the least snowfall days is July (0.9 days).
Average daylight in September /
Average sunshine in September
Atqasuk, AK
- Average daylight in September: 13h and 2min
The month with the longest days is August (Average daylight: 18h and 18min).
The months with the shortest days are June and December (Average daylight: 0h and 0min).
- Average sunshine in September: 4h and 1min
The month with the most sunshine is April (Average sunshine: 5h and 36min).
The months with the least sunshine are July and December (Average sunshine: 0h and 24min).
Average sunshine days in September
Atqasuk, AK
- Average sunshine days in September: 9.7 days
The month with the most sunshine days is June (18.7 days).
The month with the least sunshine days is October (9.6 days).
Average UV index in September
Atqasuk, AK
- Average UV index in September: 1
The month with the highest UV index is June (UV index 3).
The months with the lowest UV index are January, February, March, September, October, November and December (UV index 1).
Average cloud cover in September
Atqasuk, AK
- Average cloud cover in September: 71
The month with the most cloud cover is December (Cloud cover 84).
The month with the least cloud cover is June (Cloud cover 47).
Average visibility in September
Atqasuk, AK
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January and March (4mi).