September weather forecastFairbanks, MN
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Fairbanks, Minnesota, with an average temperature varying between 46.9°F (8.3°C) and 65.1°F (18.4°C).Temperature
The onset of September comes with a shift in the average high-temperature, falling from a moderately hot 74.1°F (23.4°C) in August to a comfortable 65.1°F (18.4°C). During the month of September, an average temperature of 46.9°F (8.3°C) is noted during the nights.Humidity
In September, the average relative humidity is 78%.Rainfall
In Fairbanks, during September, the rain falls for 11.8 days and regularly aggregates up to 1.65" (42mm) of precipitation. Throughout the year, there are 100.2 rainfall days, and 17.83" (453mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 33min.On the first day of September, sunrise is at 6:27 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:48 pm CDT.
Sunshine
The average sunshine in September is 7.9h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 3 suggests this advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Fairbanks, MN
- Average high temperature in September: 65.1°F
The warmest month (with the highest average high temperature) is July (76.1°F).
The month with the lowest average high temperature is January (14.4°F).
- Average low temperature in September: 46.9°F
The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (0°F).
Average pressure in September
Fairbanks, MN
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Fairbanks, MN
- Average wind speed in September: 8mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in September
Fairbanks, MN
- Average humidity in September: 78%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
Fairbanks, MN
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is July (2.24").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in September
Fairbanks, MN
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is June (13.1 days).
The month with the least rainy days is January (1.4 days).
Average snowfall in September
Fairbanks, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (7.05").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Fairbanks, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Fairbanks, MN
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 7h and 54min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 6min).
Average sunshine days in September
Fairbanks, MN
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is August (18.3 days).
The month with the least sunshine days is March (12.5 days).
Average UV index in September
Fairbanks, MN
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Fairbanks, MN
- Average cloud cover in September: 44
The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in September
Fairbanks, MN
- Average visibility in September: 5mi
The months with the highest visibility are May, June, July and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
