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
During Deering's transition into September, the average high-temperature lessens, moving from a mild 56.1°F (13.4°C) in August to a frosty 46.9°F (8.3°C). A consistent average low-temperature of 39.4°F (4.1°C), with a minor variance from the daytime highs, is noted during the nights of September.Humidity
In Deering, the average relative humidity in September is 77%.Rainfall
In September, the rain falls for 10 days. Throughout September, 0.67" (17mm) of precipitation is accumulated. In Deering, during the entire year, the rain falls for 74.6 days and collects up to 6.69" (170mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 2.7 snowfall days, it receives 0.51" (13mm) of snow. Throughout the year, there are 85.7 snowfall days, and 15.79" (401mm) of snow is accumulated.Daylight
In Deering, the average length of the day in September is 13h and 3min.On the first day of the month, sunrise is at 7:29 am and sunset at 10:11 pm. On the last day of September, sunrise is at 9:01 am and sunset at 8:19 pm AKDT.
Sunshine
The average sunshine in September is 6.2h.UV index
The average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: An average maximum UV index of 2 in September leads to these recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How much does it rain in September?
When does it start to snow?
How many hours of daylight does Deering have in September?
What time are sunrise and sunset in September in Deering?
How many hours of sunshine does Deering have in September?
What is the UV index intensity in September?
Average temperature in September
Deering, AK
- Average high temperature in September: 46.9°F
The warmest month (with the highest average high temperature) is July (59.2°F).
The month with the lowest average high temperature is January (6.8°F).
- Average low temperature in September: 39.4°F
The month with the highest average low temperature is July (47.7°F).
The coldest month (with the lowest average low temperature) is January (-1.7°F).
Average pressure in September
Deering, AK
- Average pressure in September: 29.76"Hg
The month with the highest atmospheric pressure is May (29.95"Hg).
The month with the lowest atmospheric pressure is October (29.75"Hg).
Average wind speed in September
Deering, AK
- Average wind speed in September: 10.4mph
The windiest month (with the highest average wind speed) is October (11.1mph).
The calmest month (with the lowest average wind speed) is May (8.1mph).
Average humidity in September
Deering, AK
- Average humidity in September: 77%
The months with the highest relative humidity are January and March (92%).
The month with the lowest relative humidity is June (69%).
Average rainfall in September
Deering, AK
- Average rainfall in September: 0.67"
The wettest month (with the highest rainfall) is July (1.1").
The driest months (with the least rainfall) are January, May and June (0.31").
Average rainfall days in September
Deering, AK
- Average rainfall days in September: 10 days
The month with the highest number of rainy days is August (13.8 days).
The month with the least rainy days is December (1.5 days).
Average snowfall in September
Deering, AK
- Average snowfall in September: 0.51"
The months with the highest snowfall are February and March (3.03").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Deering, AK
- Average snowfall days in September: 2.7 days
The month with the highest number of snowfall days is March (14.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Deering, AK
- Average daylight in September: 13h and 1min
The month with the longest days is July (Average daylight: 20h and 54min).
The month with the shortest days is December (Average daylight: 3h and 6min).
- Average sunshine in September: 6h and 1min
The month with the most sunshine is August (Average sunshine: 7h and 36min).
The month with the least sunshine is June (Average sunshine: 0h and 36min).
Average sunshine days in September
Deering, AK
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is December (20.9 days).
The month with the least sunshine days is February (12.9 days).
Average UV index in September
Deering, AK
- Average UV index in September: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are March, April, November and December (UV index 1).
Average cloud cover in September
Deering, AK
- Average cloud cover in September: 53
The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is June (Cloud cover 42).
Average visibility in September
Deering, AK
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
Deering, Alaska, USA
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