Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
With the onset of September, the average high-temperature subtly recedes from August's warm 77.5°F (25.3°C) to an agreeable 72°F (22.2°C). An average low-temperature of 54.3°F (12.4°C) is recorded during the nights in September.Humidity
In September, the average relative humidity is 81%.Rainfall
In Powers Lake, in September, it is raining for 12.3 days, with typically 1.61" (41mm) of accumulated precipitation. In Powers Lake, during the entire year, the rain falls for 138.1 days and collects up to 23.15" (588mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 6:18 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:35 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 value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 4 in September translates into this advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Powers Lake, WI
- Average high temperature in September: 72°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in September: 54.3°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).
Average pressure in September
Powers Lake, WI
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Powers Lake, WI
- Average wind speed in September: 7.3mph
The windiest months (with the highest average wind speed) are January and February (10mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in September
Powers Lake, WI
- Average humidity in September: 81%
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are April, October and November (77%).
Average rainfall in September
Powers Lake, WI
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is June (3.07").
The driest month (with the least rainfall) is December (0.94").
Average rainfall days in September
Powers Lake, WI
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is July (17.7 days).
The months with the least rainy days are January and February (3.8 days).
Average snowfall in September
Powers Lake, WI
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Powers Lake, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Powers Lake, WI
- Average daylight in September: 12h and 3min
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 4min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The months with the least sunshine are January and February (Average sunshine: 3h and 30min).
Average sunshine days in September
Powers Lake, WI
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is November (18 days).
The months with the least sunshine days are June and July (10.5 days).
Average UV index in September
Powers Lake, WI
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Powers Lake, WI
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility in September
Powers Lake, WI
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, September, October, November and December (6mi).
The months with the lowest visibility are January, February and August (5mi).
Powers Lake, Wisconsin, USA
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