September weather forecastFosston, MN
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Fosston, Minnesota, with an average temperature ranging between min 49.1°F (9.5°C) and max 68.2°F (20.1°C).Temperature
During the transition into September, Fosston observes a decrease in the average high-temperature, falling from a warm 77.5°F (25.3°C) in August to an agreeable 68.2°F (20.1°C). Throughout September, Fosston's nights cool down to an average of 49.1°F (9.5°C).Humidity
The average relative humidity in September is 70%.Rainfall
In Fosston, Minnesota, in September, during 10.7 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. In Fosston, during the entire year, the rain falls for 110.6 days and collects up to 19.45" (494mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Fosston, the average length of the day in September is 12h and 33min.On the first day of the month, sunrise is at 6:42 am and sunset at 8:02 pm. On the last day of September, sunrise is at 7:21 am and sunset at 7:03 pm CDT.
Sunshine
In Fosston, the average sunshine in September is 8.4h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. When the Sun is at its strongest around midday, find shade and limit exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Fosston, MN
- Average high temperature in September: 68.2°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (14.7°F).
- Average low temperature in September: 49.1°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (0.5°F).
Average pressure in September
Fosston, MN
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Fosston, MN
- Average wind speed in September: 8.8mph
The windiest month (with the highest average wind speed) is October (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (7.5mph).
Average humidity in September
Fosston, MN
- Average humidity in September: 70%
The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is May (68%).
Average rainfall in September
Fosston, MN
- Average rainfall in September: 1.46"
The wettest month (with the highest rainfall) is June (3.27").
The driest month (with the least rainfall) is February (0.79").
Average rainfall days in September
Fosston, MN
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is February (2 days).
Average snowfall in September
Fosston, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (6.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Fosston, MN
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Fosston, 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: 8h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).
Average sunshine days in September
Fosston, MN
- Average sunshine days in September: 17.7 days
The month with the most sunshine days is August (17.8 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in September
Fosston, MN
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 1).
Average cloud cover in September
Fosston, MN
- Average cloud cover in September: 35
The months with the most cloud cover are January and February (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Fosston, MN
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
