September weather forecastCross Plains, WI
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Cross Plains, Wisconsin, with temperature in the range of an average high of 70.9°F (21.6°C) and an average low of 51.4°F (10.8°C).Temperature
Cross Plains's transition into September involves a gentle shift in temperature, receding from a warm 77.5°F (25.3°C) in August to a pleasant 70.9°F (21.6°C). September nights are marked by an average low-temperature of 51.4°F (10.8°C).Humidity
The average relative humidity in September is 81%.Rainfall
In Cross Plains, in September, it is raining for 12.1 days, with typically 2.83" (72mm) of accumulated precipitation. In Cross Plains, during the entire year, the rain falls for 142.2 days and collects up to 28.74" (730mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
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 7:32 pm. On the last day of September, sunrise is at 6:55 am and sunset at 6:41 pm CDT.
Sunshine
In Cross Plains, the average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 3 during September leads to these advisories:
Guard yourself - Precautionary measures against sun damage are advocated. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cross Plains, 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 (23.4°F).
- Average low temperature in September: 51.4°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
Cross Plains, 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
Cross Plains, WI
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in September
Cross Plains, 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
Cross Plains, WI
- Average rainfall in September: 2.83"
The wettest month (with the highest rainfall) is June (3.78").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in September
Cross Plains, WI
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in September
Cross Plains, WI
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Cross Plains, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Cross Plains, 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: 8h and 42min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in September
Cross Plains, WI
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is June (10 days).
Average UV index in September
Cross Plains, 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
Cross Plains, WI
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in September
Cross Plains, 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).
