September weather forecastWinnebago, WI
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Winnebago, Wisconsin, with an average temperature ranging between min 52.5°F (11.4°C) and max 69.1°F (20.6°C).Temperature
In Winnebago, entering September brings a subtle temperature decrement, reducing from August's moderately hot 75.9°F (24.4°C) to an agreeable 69.1°F (20.6°C). Winnebago experiences an average nighttime temperature of 52.5°F (11.4°C) in the month of September.Humidity
In Winnebago, the average relative humidity in September is 80%.Rainfall
In Winnebago, in September, during 12 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. In Winnebago, Wisconsin, during the entire year, the rain falls for 133.9 days and collects up to 26.73" (679mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Winnebago, the average length of the day in September is 12h and 30min.On the first day of September in Winnebago, Wisconsin, sunrise is at 6:18 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:36 pm CDT.
Sunshine
The average sunshine in September is 8.4h.UV index
In Winnebago, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high daily UV index of 3 during September translates into the following directions:
Take necessary precautions - Protection from skin and eye injury is mandatory. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Winnebago, WI
- Average high temperature in September: 69.1°F
The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in September: 52.5°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).
Average pressure in September
Winnebago, WI
- Average pressure in September: 30.02"Hg
The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Winnebago, WI
- Average wind speed in September: 8.3mph
The windiest month (with the highest average wind speed) is November (10.6mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity in September
Winnebago, WI
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Winnebago, WI
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is February (1.22").
Average rainfall days in September
Winnebago, WI
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is February (4 days).
Average snowfall in September
Winnebago, WI
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.08").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Winnebago, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Winnebago, WI
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 3h and 24min).
Average sunshine days in September
Winnebago, WI
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is April (11.3 days).
Average UV index in September
Winnebago, WI
- Average UV index in September: 3
The months with the highest UV index are 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
Winnebago, WI
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Winnebago, WI
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
