September weather forecastRouse, WI
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Rouse, Wisconsin, with temperature in the range of an average high of 66.7°F (19.3°C) and an average low of 50°F (10°C).Temperature
September ushers in a minute temperature change, with average high-temperatures reducing from August's warm 74.7°F (23.7°C) to a refreshing 66.7°F (19.3°C). Throughout September, the average low-temperature dips to a cool 50°F (10°C).Humidity
The average relative humidity in September is 78%.Rainfall
In Rouse, in September, during 13.2 rainfall days, 1.54" (39mm) of precipitation is typically accumulated. Throughout the year, there are 120.3 rainfall days, and 21.65" (550mm) of precipitation is accumulated.Snowfall
In Rouse, snow does not fall in June through September.Daylight
In Rouse, the average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 6:23 am and sunset at 7:40 pm. On the last day of September, sunrise is at 7:00 am and sunset at 6:43 pm CDT.
Sunshine
In Rouse, the average sunshine in September is 8.5h.UV index
In Rouse, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 4 in September translates into this advice:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rouse, WI
- Average high temperature in September: 66.7°F
The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (19°F).
- Average low temperature in September: 50°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (8.6°F).
Average pressure in September
Rouse, WI
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Rouse, WI
- Average wind speed in September: 8mph
The windiest month (with the highest average wind speed) is November (9.5mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity in September
Rouse, WI
- Average humidity in September: 78%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
Rouse, WI
- Average rainfall in September: 1.54"
The wettest month (with the highest rainfall) is May (2.48").
The driest months (with the least rainfall) are January and February (1.22").
Average rainfall days in September
Rouse, WI
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is June (15.1 days).
The month with the least rainy days is January (2.5 days).
Average snowfall in September
Rouse, WI
- Average snowfall in September: 0"
The month with the highest snowfall is December (10.04").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Rouse, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (24.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Rouse, WI
- 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 30min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 6min).
Average sunshine days in September
Rouse, WI
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is September (14.3 days).
The month with the least sunshine days is January (6.8 days).
Average UV index in September
Rouse, WI
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Rouse, WI
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in September
Rouse, WI
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (4mi).





