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
The arrival of September in Wasilla corresponds with a light shift in temperature, down from a mild 60.4°F (15.8°C) in August to a cool 52°F (11.1°C). In the month of September, Wasilla's average low-temperature falls to a wintry 39.4°F (4.1°C).Humidity
In Wasilla, the average relative humidity in September is 76%.Rainfall
In Wasilla, in September, during 12 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. In Wasilla, during the entire year, the rain falls for 124.6 days and collects up to 7.36" (187mm) of precipitation.Snowfall
June through September are months without snowfall in Wasilla.Daylight
The average length of the day in September is 12h and 52min.On the first day of September in Wasilla, sunrise is at 6:51 am and sunset at 9:03 pm. On the last day of the month, sunrise is at 8:04 am and sunset at 7:30 pm AKDT.
Sunshine
The average sunshine in September is 8h.UV index
The average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 2 in September translates into the following instructions:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
What is the average September temperature in Wasilla?
What is the average humidity in September in Wasilla?
How much does it rain in Wasilla in September?
When it does not snow in Wasilla?
Does it snow in Wasilla in September?
How many hours of daylight does Wasilla have in September?
When are sunrise and sunset in September in Wasilla?
How many hours of sunshine does Wasilla have in September?
What is the UV index intensity in September in Wasilla?
Average temperature in September
Wasilla, AK
- Average high temperature in September: 52°F
The warmest month (with the highest average high temperature) is July (63.3°F).
The month with the lowest average high temperature is January (18.3°F).
- Average low temperature in September: 39.4°F
The month with the highest average low temperature is July (47.1°F).
The coldest month (with the lowest average low temperature) is January (8.6°F).
Average pressure in September
Wasilla, AK
- Average pressure in September: 29.75"Hg
The month with the highest atmospheric pressure is July (29.96"Hg).
The month with the lowest atmospheric pressure is December (29.69"Hg).
Average wind speed in September
Wasilla, AK
- Average wind speed in September: 4.2mph
The windiest months (with the highest average wind speed) are January, November and December (4.8mph).
The calmest month (with the lowest average wind speed) is July (4mph).
Average humidity in September
Wasilla, AK
- Average humidity in September: 76%
The month with the highest relative humidity is March (87%).
The month with the lowest relative humidity is May (65%).
Average rainfall in September
Wasilla, AK
- Average rainfall in September: 0.75"
The wettest month (with the highest rainfall) is August (0.94").
The driest month (with the least rainfall) is January (0.31").
Average rainfall days in September
Wasilla, AK
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is June (14 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in September
Wasilla, AK
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Wasilla, AK
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (9.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Wasilla, AK
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 24min).
The month with the shortest days is December (Average daylight: 5h and 30min).
- Average sunshine in September: 8h
The month with the most sunshine is May (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 4h).
Average sunshine days in September
Wasilla, AK
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is January (19.9 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in September
Wasilla, 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
Wasilla, AK
- Average cloud cover in September: 41
The months with the most cloud cover are April and August (Cloud cover 44).
The months with the least cloud cover are January and May (Cloud cover 37).
Average visibility in September
Wasilla, AK
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is March (4mi).
Wasilla, Alaska, USA
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