September weather forecastMilan, MN
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Milan, Minnesota, with an average temperature ranging between max 72.5°F (22.5°C) and min 52.7°F (11.5°C).Temperature
As Milan enters September, the average high-temperature subtly lowers from the a warm 80.2°F (26.8°C) of August to a pleasant 72.5°F (22.5°C). Milan throughout September, records an average low-temperature of 52.7°F (11.5°C).Humidity
The average relative humidity in September is 68%.Rainfall
In Milan, Minnesota, in September, it is raining for 9.5 days, with typically 1.61" (41mm) of accumulated precipitation. Throughout the year, in Milan, Minnesota, there are 107.9 rainfall days, and 20.51" (521mm) of precipitation is accumulated.Snowfall
In Milan, snow does not fall in June through September.Daylight
In Milan, the average length of the day in September is 12h and 31min.On the first day of September, sunrise is at 6:46 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:05 pm CDT.
Sunshine
In Milan, the average sunshine in September is 8.9h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Milan, MN
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (19.6°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (5.2°F).
Average pressure in September
Milan, MN
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Milan, MN
- Average wind speed in September: 8.9mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (7.6mph).
Average humidity in September
Milan, MN
- Average humidity in September: 68%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (66%).
Average rainfall in September
Milan, MN
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days in September
Milan, MN
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is June (15.7 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in September
Milan, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.96").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Milan, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Milan, MN
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in September
Milan, MN
- Average sunshine days in September: 17.7 days
The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is June (12.6 days).
Average UV index in September
Milan, MN
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Milan, MN
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in September
Milan, MN
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).





