September weather forecastWheaton, MN
September
Weather in September
September, the first month of the autumn in Wheaton, is still a pleasant month, with an average temperature fluctuating between 73.2°F (22.9°C) and 52.9°F (11.6°C).Temperature
Wheaton, Minnesota, experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from a warm 81.3°F (27.4°C) in August to an agreeable 73.2°F (22.9°C). Wheaton experiences an average low-temperature of 52.9°F (11.6°C) in the month of September.Humidity
With an average relative humidity of 65%, September is the least humid month.Rainfall
In Wheaton, during September, the rain falls for 8.9 days and regularly aggregates up to 1.54" (39mm) of precipitation. In Wheaton, during the entire year, the rain falls for 102 days and collects up to 19.17" (487mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Wheaton, the average length of the day in September is 12h and 31min.On the first day of September, sunrise is at 6:48 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:07 pm CDT.
Sunshine
The average sunshine in September is 8.9h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Wheaton, MN
- Average high temperature in September: 73.2°F
The warmest months (with the highest average high temperature) are July and August (81.3°F).
The month with the lowest average high temperature is January (18.7°F).
- Average low temperature in September: 52.9°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 (4.8°F).
Average pressure in September
Wheaton, MN
- Average pressure in September: 29.97"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Wheaton, MN
- Average wind speed in September: 9.3mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is July (8mph).
Average humidity in September
Wheaton, MN
- Average humidity in September: 65%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is September (65%).
Average rainfall in September
Wheaton, MN
- Average rainfall in September: 1.54"
The wettest months (with the highest rainfall) are June and July (3.03").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days in September
Wheaton, MN
- Average rainfall days in September: 8.9 days
The month with the highest number of rainy days is June (15.4 days).
The month with the least rainy days is February (2 days).
Average snowfall in September
Wheaton, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Wheaton, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Wheaton, 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 54min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in September
Wheaton, MN
- Average sunshine days in September: 19.5 days
The month with the most sunshine days is September (19.5 days).
The month with the least sunshine days is June (12.4 days).
Average UV index in September
Wheaton, 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 and December (UV index 1).
Average cloud cover in September
Wheaton, MN
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
Wheaton, 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).
