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
Stepping into September, Skwentna observes a temperature decline, with the average high falling from August's refreshing 62.2°F (16.8°C) to a fresh 53.2°F (11.8°C). September brings an average low-temperature of 39.7°F (4.3°C) to Skwentna.Humidity
The average relative humidity in September in Skwentna, Alaska, is 78%.Rainfall
In Skwentna, Alaska, in September, it is raining for 16.3 days, with typically 3.19" (81mm) of accumulated precipitation. Throughout the year, in Skwentna, there are 120.5 rainfall days, and 22.56" (573mm) of precipitation is accumulated.Snowfall
Months with snowfall in Skwentna are January through May, September through December. September is the first month it typically snows in Skwentna. Throughout September, in the average 0.2 snowfall days, it receives 0.12" (3mm) of snow. In Skwentna, during the entire year, snow falls for 74.8 days and aggregates up to 63.98" (1625mm) of snow.Daylight
The average length of the day in September is 12h and 53min.On the first day of September in Skwentna, sunrise is at 6:57 am and sunset at 9:11 pm. On the last day of the month, sunrise is at 8:11 am and sunset at 7:37 pm AKDT.
Sunshine
In September, the average sunshine is 5.9h.UV index
The average daily maximum UV index in September is 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 2 during September translates into the following directions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
What is the usual temperature for Skwentna in September?
What is the average humidity in September in Skwentna?
How many days does it rain in September in Skwentna?
When does it start snowing in Skwentna?
How many hours of daylight does Skwentna have in September?
When is the sunrise / sunset in September in Skwentna?
How many hours of sunshine does Skwentna have in September?
What is the UV index reading in September in Skwentna?
Average temperature in September
Skwentna, AK
- Average high temperature in September: 53.2°F
The warmest month (with the highest average high temperature) is July (67.1°F).
The month with the lowest average high temperature is January (15.4°F).
- Average low temperature in September: 39.7°F
The month with the highest average low temperature is July (48.9°F).
The coldest month (with the lowest average low temperature) is January (6.6°F).
Average pressure in September
Skwentna, AK
- Average pressure in September: 29.75"Hg
The month with the highest atmospheric pressure is July (29.95"Hg).
The month with the lowest atmospheric pressure is December (29.7"Hg).
Average wind speed in September
Skwentna, AK
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is January (5.6mph).
The calmest month (with the lowest average wind speed) is July (4.4mph).
Average humidity in September
Skwentna, AK
- Average humidity in September: 78%
The months with the highest relative humidity are February, March and December (85%).
The month with the lowest relative humidity is May (62%).
Average rainfall in September
Skwentna, AK
- Average rainfall in September: 3.19"
The wettest month (with the highest rainfall) is October (3.66").
The driest month (with the least rainfall) is June (0.79").
Average rainfall days in September
Skwentna, AK
- Average rainfall days in September: 16.3 days
The month with the highest number of rainy days is September (16.3 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in September
Skwentna, AK
- Average snowfall in September: 0.12"
The month with the highest snowfall is December (16.69").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Skwentna, AK
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is December (15.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Skwentna, 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 5min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in September
Skwentna, AK
- Average sunshine days in September: 12.3 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is September (12.3 days).
Average UV index in September
Skwentna, AK
- Average UV index in September: 2
The months with the highest UV index are June and July (UV index 4).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Skwentna, AK
- Average cloud cover in September: 55
The months with the most cloud cover are August and December (Cloud cover 56).
The months with the least cloud cover are May and June (Cloud cover 45).
Average visibility in September
Skwentna, AK
- Average visibility in September: 5mi
The months with the highest visibility are May, June, July, October and November (6mi).
The month with the lowest visibility is April (4mi).
Skwentna, Alaska, USA
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