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 average high-temperature slightly decreases in September, shifting from a moderately hot 76.8°F (24.9°C) in August to a pleasant 70.7°F (21.5°C). During the nights in September, Pleasant Prairie experiences a consistent average temperature of 57.6°F (14.2°C).Humidity
In Pleasant Prairie, the average relative humidity in September is 78%.Rainfall
In September, the rain falls for 12.7 days. Throughout September, 2.2" (56mm) of precipitation is accumulated. In Pleasant Prairie, during the entire year, the rain falls for 148 days and collects up to 27.09" (688mm) 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 the month, sunrise is at 6:17 am and sunset at 7:25 pm. On the last day of September, sunrise is at 6:48 am and sunset at 6:34 pm CDT.
Sunshine
In September, the average sunshine is 9.1h.UV index
In Pleasant Prairie, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: An average UV index of 4 in September transforms into this advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Pleasant Prairie in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Pleasant Prairie have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Pleasant Prairie have in September?
How high is the UV index in September?
Average temperature in September
Pleasant Prairie, WI
- Average high temperature in September: 70.7°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in September: 57.6°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in September
Pleasant Prairie, 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
Pleasant Prairie, WI
- Average wind speed in September: 8.5mph
The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is August (7.1mph).
Average humidity in September
Pleasant Prairie, WI
- Average humidity in September: 78%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are October and November (76%).
Average rainfall in September
Pleasant Prairie, WI
- Average rainfall in September: 2.2"
The wettest months (with the highest rainfall) are April and June (3.35").
The driest months (with the least rainfall) are February and December (1.22").
Average rainfall days in September
Pleasant Prairie, WI
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in September
Pleasant Prairie, WI
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.33").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Pleasant Prairie, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Pleasant Prairie, 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: 9h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Pleasant Prairie, WI
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is December (16.4 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in September
Pleasant Prairie, WI
- Average UV index in September: 4
The month with the highest UV index is August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Pleasant Prairie, WI
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in September
Pleasant Prairie, 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).
Pleasant Prairie, Wisconsin, USA
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