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
The arrival of September suggests a slight decrease in the average high-temperature, moving from a warm 75°F (23.9°C) in August to a comfortable 66.9°F (19.4°C). Powell experiences an average low-temperature of 48.4°F (9.1°C) in the month of September.Humidity
In September, the average relative humidity is 80%.Rainfall
In Powell, in September, during 13.9 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. Throughout the year, there are 128 rainfall days, and 23.5" (597mm) of precipitation is accumulated.Snowfall
In Powell, snow does not fall in June through September.Daylight
In Powell, Wisconsin, the average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 6:21 am and sunset at 7:37 pm. On the last day of September, sunrise is at 6:57 am and sunset at 6:41 pm CDT.
Sunshine
In September, the average sunshine in Powell, Wisconsin, is 7.6h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The average daily UV index of 3 in September transforms into the following instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Frequently asked questions
What are the temperatures in Powell in September?
What is the average humidity in September in Powell?
How much does it rain in Powell in September?
When it does not snow in Powell?
Does it snow in Powell in September?
What is the average length of the day in September in Powell?
When is the sunrise / sunset in September in Powell?
How many hours of sunshine does Powell have in September?
What is the UV index intensity in September in Powell?
Average temperature in September
Powell, WI
- Average high temperature in September: 66.9°F
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (18.5°F).
- Average low temperature in September: 48.4°F
The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (7.2°F).
Average pressure in September
Powell, WI
- Average pressure in September: 30.01"Hg
The months with the highest atmospheric pressure are February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Powell, WI
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is November (8.7mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in September
Powell, WI
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (71%).
Average rainfall in September
Powell, WI
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in September
Powell, WI
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is May (16.2 days).
The months with the least rainy days are January and February (2.3 days).
Average snowfall in September
Powell, WI
- Average snowfall in September: 0"
The month with the highest snowfall is December (9.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Powell, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (24.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Powell, WI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 1h and 54min).
Average sunshine days in September
Powell, WI
- Average sunshine days in September: 13.7 days
The month with the most sunshine days is September (13.7 days).
The month with the least sunshine days is January (6.5 days).
Average UV index in September
Powell, WI
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Powell, WI
- Average cloud cover in September: 46
The month with the most cloud cover is January (Cloud cover 83).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in September
Powell, WI
- Average visibility in September: 5mi
The months with the highest visibility are May and June (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
Powell, Wisconsin, USA
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