September weather forecastWind Lake, WI
September
Weather in September
September, the first month of the autumn in Wind Lake, is still a pleasant month, with temperature in the range of an average low of 55.9°F (13.3°C) and an average high of 70.9°F (21.6°C).Temperature
The arrival of September corresponds with a light shift in temperature, down from a warm 77.2°F (25.1°C) in August to an agreeable 70.9°F (21.6°C). Throughout the month of September, the average temperature in Wind Lake dips to a mild 55.9°F (13.3°C) at night.Humidity
In Wind Lake, the average relative humidity in September is 79%.Rainfall
In Wind Lake, in September, it is raining for 11.5 days, with typically 1.34" (34mm) of accumulated precipitation. In Wind Lake, during the entire year, the rain falls for 131.7 days and collects up to 18.35" (466mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Wind Lake, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:18 am and sunset at 7:26 pm. On the last day of September, sunrise is at 6:49 am and sunset at 6:35 pm CDT.
Sunshine
In September, the average sunshine is 9.1h.UV index
The average daily maximum UV index in September in Wind Lake is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 4 during September leads to these instructions:
Ensure safety - Imperative it is to shield skin and eyes from damage. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Wind Lake, 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 (25.7°F).
- Average low temperature in September: 55.9°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure in September
Wind Lake, WI
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Wind Lake, WI
- Average wind speed in September: 7.8mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in September
Wind Lake, WI
- Average humidity in September: 79%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (76%).
Average rainfall in September
Wind Lake, WI
- Average rainfall in September: 1.34"
The wettest month (with the highest rainfall) is June (2.44").
The driest month (with the least rainfall) is December (0.75").
Average rainfall days in September
Wind Lake, WI
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in September
Wind Lake, WI
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Wind Lake, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Wind Lake, 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 6min).
- Average sunshine in September: 9h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Wind Lake, WI
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is November (18.1 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in September
Wind Lake, 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 and December (UV index 1).
Average cloud cover in September
Wind Lake, WI
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Wind Lake, WI
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
