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
September comes with a drop in the average high-temperature, falling from August's mild 60.4°F (15.8°C) to a fresh 50.9°F (10.5°C). In September, the nighttime temperature lowers to an average of 38.3°F (3.5°C).Humidity
In September, the average relative humidity in Stuyahok is 82%.Rainfall
In Stuyahok, during September, the rain falls for 15.5 days and regularly aggregates up to 1.89" (48mm) of precipitation. Throughout the year, there are 122.8 rainfall days, and 17.44" (443mm) of precipitation is accumulated.Snowfall
Months with snowfall in Stuyahok are January through May, September through December. September is the first month it typically snows in Stuyahok. Throughout September, in the average 1.3 snowfall days, it receives 0.35" (9mm) of snow. Throughout the year, in Stuyahok, 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
In September, the average sunshine is 5h.UV index
In Stuyahok, Alaska, the average daily maximum UV index in September is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 2 during September translates into the following directions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. To cut down UV radiation exposure by about half, sport a wide-brim hat. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the temperature in September in Stuyahok?
What is the average humidity in September in Stuyahok?
How much does it rain in Stuyahok in September?
When does it start snowing in Stuyahok?
How many hours of daylight does Stuyahok have in September?
When is the sunrise / sunset in September in Stuyahok?
How many hours of sunshine does Stuyahok have in September?
What is the UV index intensity in September in Stuyahok?
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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