September weather forecastIndependence, WI
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Independence, Wisconsin, with temperature in the range of an average high of 70.5°F (21.4°C) and an average low of 50.7°F (10.4°C).Temperature
September implies a soft temperature shift, with average high-temperatures reducing from August's moderately hot 76.6°F (24.8°C) to a pleasant 70.5°F (21.4°C). September generally records an average low-temperature of 50.7°F (10.4°C).Humidity
The average relative humidity in September in Independence, Wisconsin, is 80%.Rainfall
In Independence, in September, it is raining for 13.1 days, with typically 2.4" (61mm) of accumulated precipitation. Throughout the year, in Independence, Wisconsin, there are 142.8 rainfall days, and 28.78" (731mm) of precipitation is accumulated.Snowfall
In Independence, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 30min.On the first day of September, sunrise is at 6:29 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:47 pm CDT.
Sunshine
The average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: A daily high UV index of 4 in September leads to these guidelines:
Exercise prevention - Warding off sunburn is urged. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Independence, WI
- Average high temperature in September: 70.5°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (20.3°F).
- Average low temperature in September: 50.7°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (7°F).
Average pressure in September
Independence, 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
Independence, WI
- Average wind speed in September: 7.4mph
The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in September
Independence, WI
- Average humidity in September: 80%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in September
Independence, WI
- Average rainfall in September: 2.4"
The wettest month (with the highest rainfall) is June (4.69").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in September
Independence, WI
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is June (19 days).
The months with the least rainy days are January and February (3.6 days).
Average snowfall in September
Independence, WI
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Independence, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Independence, 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 36min
The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Independence, WI
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is November (15.6 days).
The month with the least sunshine days is June (8.3 days).
Average UV index in September
Independence, WI
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Independence, WI
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Independence, WI
- Average visibility in September: 5mi
The months with the highest visibility are April, May, June, August, October and November (6mi).
The month with the lowest visibility is January (4mi).





