September weather forecastTetlin Junction, AK
September
Weather in September
The first month of the autumn, September, is also a fresh month in Tetlin Junction, Alaska, with an average temperature fluctuating between 52°F (11.1°C) and 36.5°F (2.5°C).Temperature
With September's onset, the average high-temperature recedes from August's enjoyable 63.3°F (17.4°C) to a cool 52°F (11.1°C). Tetlin Junction experiences an average low-temperature of 36.5°F (2.5°C) in month of September.Humidity
The average relative humidity in September is 69%.Rainfall
In Tetlin Junction, during September, the rain falls for 9.3 days and regularly aggregates up to 0.55" (14mm) of precipitation. In Tetlin Junction, during the entire year, the rain falls for 82.1 days and collects up to 7.56" (192mm) of precipitation.Snowfall
Months with snowfall are January through May, August through December. In Tetlin Junction, Alaska, in September, during 2.2 snowfall days, 0.59" (15mm) of snow is typically accumulated. In Tetlin Junction, during the entire year, snow falls for 84.1 days and aggregates up to 17.28" (439mm) of snow.Daylight
In Tetlin Junction, the average length of the day in September is 12h and 56min.On the first day of the month, sunrise is at 6:18 am and sunset at 8:41 pm. On the last day of September, sunrise is at 7:38 am and sunset at 7:01 pm AKDT.
Sunshine
In Tetlin Junction, the average sunshine in September is 8.8h.UV index
In September, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum UV index, 2 during September, leads to the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. To protect against the Sun's most potent rays, avoid direct exposure around midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tetlin Junction, AK
- Average high temperature in September: 52°F
The warmest month (with the highest average high temperature) is July (69.4°F).
The month with the lowest average high temperature is January (-0.2°F).
- Average low temperature in September: 36.5°F
The month with the highest average low temperature is July (49.8°F).
The coldest month (with the lowest average low temperature) is January (-10.5°F).
Average pressure in September
Tetlin Junction, AK
- Average pressure in September: 29.78"Hg
The month with the highest atmospheric pressure is February (30"Hg).
The month with the lowest atmospheric pressure is September (29.78"Hg).
Average wind speed in September
Tetlin Junction, AK
- Average wind speed in September: 4.3mph
The windiest month (with the highest average wind speed) is June (5.7mph).
The calmest month (with the lowest average wind speed) is March (3.8mph).
Average humidity in September
Tetlin Junction, AK
- Average humidity in September: 69%
The month with the highest relative humidity is March (93%).
The month with the lowest relative humidity is June (53%).
Average rainfall in September
Tetlin Junction, AK
- Average rainfall in September: 0.55"
The wettest month (with the highest rainfall) is August (1.54").
The driest month (with the least rainfall) is March (0.24").
Average rainfall days in September
Tetlin Junction, AK
- Average rainfall days in September: 9.3 days
The month with the highest number of rainy days is June (13.3 days).
The month with the least rainy days is December (1.3 days).
Average snowfall in September
Tetlin Junction, AK
- Average snowfall in September: 0.59"
The month with the highest snowfall is November (3.39").
The months with the least snowfall are June and July (0").
Average snowfall days in September
Tetlin Junction, AK
- Average snowfall days in September: 2.2 days
The month with the highest number of snowfall days is November (15.1 days).
The months with the least snowfall days are June and July (0 days).
Average daylight in September /
Average sunshine in September
Tetlin Junction, AK
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 20h and 18min).
The month with the shortest days is December (Average daylight: 4h and 48min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is June (Average sunshine: 13h and 42min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).
Average sunshine days in September
Tetlin Junction, AK
- Average sunshine days in September: 17.2 days
The month with the most sunshine days is December (21.2 days).
The month with the least sunshine days is June (12.5 days).
Average UV index in September
Tetlin Junction, AK
- Average UV index in September: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are February, March, November and December (UV index 1).
Average cloud cover in September
Tetlin Junction, AK
- Average cloud cover in September: 41
The months with the most cloud cover are March and November (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in September
Tetlin Junction, AK
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).
