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 commencement of September involves a temperature shift, with the average high-temperature dropping from a refreshing 60.4°F (15.8°C) in August to a fresh 50.9°F (10.5°C). September sees the temperature falling to a mean low of 38.3°F (3.5°C).Humidity
In September, the average relative humidity is 82%.Rainfall
In Stuyahok, in September, during 15.5 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. In Stuyahok, during the entire year, the rain falls for 122.8 days and collects up to 17.44" (443mm) 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 1.3 snowfall days, it receives 0.35" (9mm) of snow. Throughout the year, there are 111.6 snowfall days, and 51.93" (1319mm) of snow is accumulated.Daylight
In Stuyahok, the average length of the day in September is 12h and 53min.On the first day of September, sunrise is at 7:35 am and sunset at 9:51 pm. On the last day of the month, sunrise is at 8:50 am and sunset at 8:15 pm AKDT.
Sunshine
The average sunshine in September is 5h.UV index
In September, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 2 transforms into these recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Stuyahok?
What is the average humidity in September?
How much does it rain in Stuyahok in September?
When does it start snowing?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Stuyahok, AK
- Average high temperature in September: 50.9°F
The warmest month (with the highest average high temperature) is July (64.9°F).
The month with the lowest average high temperature is January (6.4°F).
- Average low temperature in September: 38.3°F
The month with the highest average low temperature is July (47.8°F).
The coldest month (with the lowest average low temperature) is January (-3.1°F).
Average pressure in September
Stuyahok, AK
- Average pressure in September: 29.73"Hg
The month with the highest atmospheric pressure is July (29.91"Hg).
The month with the lowest atmospheric pressure is October (29.7"Hg).
Average wind speed in September
Stuyahok, AK
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is January (6.8mph).
The calmest month (with the lowest average wind speed) is July (5.1mph).
Average humidity in September
Stuyahok, AK
- Average humidity in September: 82%
The months with the highest relative humidity are January, February, March and December (95%).
The month with the lowest relative humidity is June (63%).
Average rainfall in September
Stuyahok, AK
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is August (2.28").
The driest month (with the least rainfall) is March (0.94").
Average rainfall days in September
Stuyahok, AK
- Average rainfall days in September: 15.5 days
The month with the highest number of rainy days is August (20.8 days).
The months with the least rainy days are February and December (3 days).
Average snowfall in September
Stuyahok, AK
- Average snowfall in September: 0.35"
The month with the highest snowfall is February (10.24").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Stuyahok, AK
- Average snowfall days in September: 1.3 days
The month with the highest number of snowfall days is March (18.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Stuyahok, AK
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 36min).
The month with the shortest days is December (Average daylight: 5h and 18min).
- Average sunshine in September: 5h and 0min
The month with the most sunshine is June (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).
Average sunshine days in September
Stuyahok, AK
- Average sunshine days in September: 11.1 days
The month with the most sunshine days is January (16.5 days).
The month with the least sunshine days is August (8.1 days).
Average UV index in September
Stuyahok, AK
- Average UV index in September: 2
The months with the highest UV index are May, June and July (UV index 4).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in September
Stuyahok, AK
- Average cloud cover in September: 61
The month with the most cloud cover is April (Cloud cover 71).
The month with the least cloud cover is June (Cloud cover 48).
Average visibility in September
Stuyahok, AK
- Average visibility in September: 5mi
The months with the highest visibility are May and June (6mi).
The months with the lowest visibility are February, March, April and December (3mi).
Stuyahok, Alaska, USA
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