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 advent of September brings a slight shift in average high-temperature, moving from a refreshing 57.6°F (14.2°C) in August to a fresh 50.4°F (10.2°C). Nighttime temperature in Alakanuk reflects an average dip to a cold 42.6°F (5.9°C) in September, subtly cooler than its daytime highs.Humidity
In September, the average relative humidity is 80%.Rainfall
In Alakanuk, in September, it is raining for 15.9 days, with typically 1.61" (41mm) of accumulated precipitation. In Alakanuk, Alaska, during the entire year, the rain falls for 113.9 days and collects up to 13.46" (342mm) 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 1.2 snowfall days, it receives 0.16" (4mm) of snow. In Alakanuk, during the entire year, snow falls for 88.6 days and aggregates up to 19.76" (502mm) of snow.Daylight
In Alakanuk, the average length of the day in September is 12h and 55min.On the first day of September, sunrise is at 7:48 am and sunset at 10:07 pm. On the last day of the month, sunrise is at 9:06 am and sunset at 8:30 pm AKDT.
Sunshine
The average sunshine in September is 4.3h.UV index
The average daily maximum UV index in September is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 2 in September translates into this advice:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
What is the average September temperature in Alakanuk?
What is the average humidity in September in Alakanuk?
How much does it rain in Alakanuk in September?
When does it start snowing in Alakanuk?
What is the average length of the day in September in Alakanuk?
When is the sunrise / sunset in September in Alakanuk?
How long on average sun shines in September in Alakanuk?
What is the UV index reading in September in Alakanuk?
Average temperature in September
Alakanuk, AK
- Average high temperature in September: 50.4°F
The warmest month (with the highest average high temperature) is July (59°F).
The month with the lowest average high temperature is January (13.1°F).
- Average low temperature in September: 42.6°F
The month with the highest average low temperature is July (48.6°F).
The coldest month (with the lowest average low temperature) is January (5.9°F).
Average pressure in September
Alakanuk, AK
- Average pressure in September: 29.73"Hg
The month with the highest atmospheric pressure is May (29.92"Hg).
The month with the lowest atmospheric pressure is October (29.67"Hg).
Average wind speed in September
Alakanuk, AK
- Average wind speed in September: 11.9mph
The windiest month (with the highest average wind speed) is February (13.3mph).
The calmest month (with the lowest average wind speed) is May (10.1mph).
Average humidity in September
Alakanuk, AK
- Average humidity in September: 80%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is June (71%).
Average rainfall in September
Alakanuk, AK
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is August (1.77").
The driest month (with the least rainfall) is March (0.75").
Average rainfall days in September
Alakanuk, AK
- Average rainfall days in September: 15.9 days
The month with the highest number of rainy days is August (18.6 days).
The month with the least rainy days is February (2.7 days).
Average snowfall in September
Alakanuk, AK
- Average snowfall in September: 0.16"
The month with the highest snowfall is February (3.62").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Alakanuk, AK
- Average snowfall days in September: 1.2 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Alakanuk, AK
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 54min).
The month with the shortest days is December (Average daylight: 5h and 6min).
- Average sunshine in September: 4h and 2min
The month with the most sunshine is May (Average sunshine: 7h and 48min).
The months with the least sunshine are January and December (Average sunshine: 2h and 18min).
Average sunshine days in September
Alakanuk, AK
- Average sunshine days in September: 9.9 days
The month with the most sunshine days is January (15.8 days).
The month with the least sunshine days is September (9.9 days).
Average UV index in September
Alakanuk, AK
- Average UV index in September: 2
The months with the highest UV index are May, June, July and August (UV index 3).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Alakanuk, AK
- Average cloud cover in September: 67
The month with the most cloud cover is February (Cloud cover 69).
The month with the least cloud cover is June (Cloud cover 53).
Average visibility in September
Alakanuk, AK
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, April and December (5mi).
Alakanuk, Alaska, USA
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