September weather forecastUpsala, MN
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Upsala, Minnesota, with an average temperature varying between 70.5°F (21.4°C) and 50.7°F (10.4°C).Temperature
The average high-temperature slightly decreases in September, shifting from a moderately hot 78.4°F (25.8°C) in August to a pleasant 70.5°F (21.4°C). During the month of September, the temperature generally drops to a low average of 50.7°F (10.4°C).Humidity
In Upsala, the average relative humidity in September is 73%.Rainfall
In Upsala, Minnesota, in September, it is raining for 9.5 days, with typically 0.98" (25mm) of accumulated precipitation. Throughout the year, there are 94.2 rainfall days, and 11.85" (301mm) of precipitation is accumulated.Snowfall
In Upsala, snow does not fall in June through September.Daylight
In Upsala, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:40 am and sunset at 7:55 pm. On the last day of September, sunrise is at 7:16 am and sunset at 6:59 pm CDT.
Sunshine
In September, the average sunshine is 8.8h.UV index
In Upsala, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In September, a regular UV index of 4 translates into these guidelines:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Upsala, MN
- Average high temperature in September: 70.5°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (18.3°F).
- Average low temperature in September: 50.7°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (5°F).
Average pressure in September
Upsala, MN
- Average pressure in September: 29.99"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Upsala, MN
- Average wind speed in September: 8.1mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in September
Upsala, MN
- Average humidity in September: 73%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (70%).
Average rainfall in September
Upsala, MN
- Average rainfall in September: 0.98"
The wettest month (with the highest rainfall) is June (2.09").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days in September
Upsala, MN
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is June (14 days).
The month with the least rainy days is February (0.6 days).
Average snowfall in September
Upsala, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Upsala, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Upsala, MN
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Upsala, MN
- Average sunshine days in September: 19.4 days
The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is June (13.8 days).
Average UV index in September
Upsala, 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, November and December (UV index 1).
Average cloud cover in September
Upsala, MN
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in September
Upsala, MN
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).





