September weather forecastUnga, AK
September
Weather in September
September, the first month of the autumn in Unga, is still a cool month, with an average temperature ranging between max 51.6°F (10.9°C) and min 48.2°F (9°C).Temperature
Unga ushers in September with an average high-temperature of a still cool 51.6°F (10.9°C), showing a close resemblance to the previous month. Unga's nighttime temperatures in September display a slight drop from daytime highs, averaging to a frosty 48.2°F (9°C).Humidity
In September, the average relative humidity is 84%.Rainfall
In September, the rain falls for 14.8 days. Throughout September, 2.28" (58mm) of precipitation is accumulated. Throughout the year, there are 172 rainfall days, and 32.6" (828mm) of precipitation is accumulated.Snowfall
In Unga, snow does not fall in June through September.Daylight
In Unga, the average length of the day in September is 12h and 41min.On the first day of September, sunrise is at 7:49 am and sunset at 9:33 pm. On the last day of the month, sunrise is at 8:44 am and sunset at 8:18 pm AKDT.
Sunshine
In September, the average sunshine in Unga is 5.3h.UV index
In Unga, the average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 2 suggests this advice:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Unga, AK
- Average high temperature in September: 51.6°F
The warmest month (with the highest average high temperature) is August (54.7°F).
The month with the lowest average high temperature is March (34°F).
- Average low temperature in September: 48.2°F
The month with the highest average low temperature is August (50.9°F).
The coldest month (with the lowest average low temperature) is March (28.9°F).
Average pressure in September
Unga, AK
- Average pressure in September: 29.75"Hg
The month with the highest atmospheric pressure is July (29.98"Hg).
The months with the lowest atmospheric pressure are January and December (29.52"Hg).
Average wind speed in September
Unga, AK
- Average wind speed in September: 13.7mph
The windiest month (with the highest average wind speed) is December (16.8mph).
The calmest month (with the lowest average wind speed) is July (9.2mph).
Average humidity in September
Unga, AK
- Average humidity in September: 84%
The month with the highest relative humidity is July (89%).
The month with the lowest relative humidity is November (79%).
Average rainfall in September
Unga, AK
- Average rainfall in September: 2.28"
The wettest month (with the highest rainfall) is December (4.45").
The driest month (with the least rainfall) is July (1.26").
Average rainfall days in September
Unga, AK
- Average rainfall days in September: 14.8 days
The month with the highest number of rainy days is December (18.2 days).
The month with the least rainy days is June (10.3 days).
Average snowfall in September
Unga, AK
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Unga, AK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Unga, AK
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 18min).
The month with the shortest days is December (Average daylight: 7h and 12min).
- Average sunshine in September: 5h and 18min
The month with the most sunshine is June (Average sunshine: 6h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 18min).
Average sunshine days in September
Unga, AK
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is June (17.7 days).
The month with the least sunshine days is December (4.6 days).
Average UV index in September
Unga, AK
- Average UV index in September: 2
The months with the highest UV index are June, July and August (UV index 3).
The months with the lowest UV index are March and December (UV index 1).
Average cloud cover in September
Unga, AK
- Average cloud cover in September: 60
The months with the most cloud cover are February and December (Cloud cover 68).
The months with the least cloud cover are March and September (Cloud cover 60).
Average visibility in September
Unga, AK
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
