September weather forecastMorrisonville, WI
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Morrisonville, Wisconsin, with an average temperature fluctuating between 52°F (11.1°C) and 70.9°F (21.6°C).Temperature
The arrival of September suggests a slight decrease in the average high-temperature, moving from a moderately hot 77.2°F (25.1°C) in August to an agreeable 70.9°F (21.6°C). An average nighttime temperature of 52°F (11.1°C) is observed during September.Humidity
The average relative humidity in September in Morrisonville, Wisconsin, is 81%.Rainfall
In Morrisonville, in September, during 10.4 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. In Morrisonville, Wisconsin, during the entire year, the rain falls for 122.8 days and collects up to 15.51" (394mm) of precipitation.Snowfall
June through September are months without snowfall in Morrisonville, Wisconsin.Daylight
The average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:22 am and sunset at 7:31 pm. On the last day of September, in Morrisonville, sunrise is at 6:54 am and sunset at 6:39 pm CDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In September, the average maximum UV index of 3 translates into the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Morrisonville, WI
- Average high temperature in September: 70.9°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (23.2°F).
- Average low temperature in September: 52°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).
Average pressure in September
Morrisonville, WI
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Morrisonville, WI
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in September
Morrisonville, WI
- Average humidity in September: 81%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in September
Morrisonville, WI
- Average rainfall in September: 1.34"
The wettest month (with the highest rainfall) is June (2.28").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in September
Morrisonville, WI
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is June (17 days).
The months with the least rainy days are January and February (3.8 days).
Average snowfall in September
Morrisonville, WI
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.56").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Morrisonville, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Morrisonville, WI
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in September
Morrisonville, WI
- Average sunshine days in September: 17 days
The months with the most sunshine days are October and November (18.5 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in September
Morrisonville, WI
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Morrisonville, WI
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Morrisonville, WI
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).





