September weather forecastOsseo, WI
September
Weather in September
September, the first month of the autumn in Osseo, is also an agreeable month, with temperature in the range of an average low of 50.4°F (10.2°C) and an average high of 70.5°F (21.4°C).Temperature
Osseo, Wisconsin, in September undergoes a slight reduction in the average high-temperature, shifting from August's warm 76.6°F (24.8°C) to an agreeable 70.5°F (21.4°C). Osseo temperatures generally rest at a low of 50.4°F (10.2°C) during the September nights.Humidity
In Osseo, the average relative humidity in September is 81%.Rainfall
In Osseo, in September, during 12.4 rainfall days, 2.17" (55mm) of precipitation is typically accumulated. Throughout the year, there are 138.5 rainfall days, and 27.4" (696mm) of precipitation is accumulated.Snowfall
In Osseo, snow does not fall in June through September.Daylight
In Osseo, the average length of the day in September is 12h and 30min.On the first day of the month, sunrise is at 6:28 am and sunset at 7:40 pm. On the last day of September, sunrise is at 7:02 am and sunset at 6:46 pm CDT.
Sunshine
In Osseo, the average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September in Osseo is 4. A UV Index reading 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 of 4 in September interprets into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Osseo, WI
- Average high temperature in September: 70.5°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (19.8°F).
- Average low temperature in September: 50.4°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (6.8°F).
Average pressure in September
Osseo, WI
- Average pressure in September: 30.01"Hg
The months with the highest atmospheric pressure are January and February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Osseo, WI
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in September
Osseo, WI
- Average humidity in September: 81%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Osseo, WI
- Average rainfall in September: 2.17"
The wettest month (with the highest rainfall) is June (4.41").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in September
Osseo, WI
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is June (18.5 days).
The month with the least rainy days is January (3.6 days).
Average snowfall in September
Osseo, WI
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Osseo, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Osseo, WI
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 18min
The months with the most sunshine are July and August (Average sunshine: 9h and 30min).
The months with the least sunshine are January and February (Average sunshine: 2h and 54min).
Average sunshine days in September
Osseo, WI
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is October (16.2 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in September
Osseo, WI
- Average UV index in September: 4
The months with the highest UV index are May, 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
Osseo, WI
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Osseo, WI
- Average visibility in September: 5mi
The months with the highest visibility are April, May, June, October and November (6mi).
The month with the lowest visibility is January (4mi).
