September weather forecastLake Wisconsin, WI
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Lake Wisconsin, Wisconsin, with temperature in the range of an average high of 71.1°F (21.7°C) and an average low of 51.4°F (10.8°C).Temperature
September's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's warm 77.4°F (25.2°C) to a pleasant 71.1°F (21.7°C). Throughout September, Lake Wisconsin records an average temperature of 51.4°F (10.8°C) at night.Humidity
The average relative humidity in September in Lake Wisconsin is 80%.Rainfall
In Lake Wisconsin, in September, it is raining for 11.9 days, with typically 2.64" (67mm) of accumulated precipitation. Throughout the year, in Lake Wisconsin, Wisconsin, there are 138 rainfall days, and 26.5" (673mm) of precipitation is accumulated.Snowfall
In Lake Wisconsin, snow does not fall in June through September.Daylight
In Lake Wisconsin, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:23 am and sunset at 7:33 pm. On the last day of September, sunrise is at 6:55 am and sunset at 6:40 pm CDT.
Sunshine
The average sunshine in September in Lake Wisconsin, Wisconsin, is 8.7h.UV index
In Lake Wisconsin, 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 unsafe exposure to UV radiation for average individuals.Note: The UV index of 3 in September translates into these instructions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. 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
Lake Wisconsin, WI
- Average high temperature in September: 71.1°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (22.6°F).
- Average low temperature in September: 51.4°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 (10.6°F).
Average pressure in September
Lake Wisconsin, 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
Lake Wisconsin, WI
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in September
Lake Wisconsin, WI
- Average humidity in September: 80%
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
Lake Wisconsin, WI
- Average rainfall in September: 2.64"
The wettest months (with the highest rainfall) are May and June (3.43").
The driest month (with the least rainfall) is February (1.02").
Average rainfall days in September
Lake Wisconsin, WI
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (4.1 days).
Average snowfall in September
Lake Wisconsin, WI
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Lake Wisconsin, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lake Wisconsin, 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: 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 12min).
Average sunshine days in September
Lake Wisconsin, WI
- Average sunshine days in September: 17 days
The month with the most sunshine days is September (17 days).
The month with the least sunshine days is June (9.9 days).
Average UV index in September
Lake Wisconsin, 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, November and December (UV index 1).
Average cloud cover in September
Lake Wisconsin, WI
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Lake Wisconsin, WI
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, July, August, September and December (5mi).
