September weather forecastPoy Sippi, WI
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Poy Sippi, Wisconsin, with an average temperature varying between 69.6°F (20.9°C) and 51.6°F (10.9°C).Temperature
The arrival of September correlates with a minor temperature reduction, down from August's warm 77.2°F (25.1°C) to a pleasant 69.6°F (20.9°C). Poy Sippi's temperature tends to fall to an average low of 51.6°F (10.9°C) during the nights of September.Humidity
In Poy Sippi, the average relative humidity in September is 80%.Rainfall
In September, in Poy Sippi, the rain falls for 12 days. Throughout September, 2.01" (51mm) of precipitation is accumulated. Throughout the year, there are 131 rainfall days, and 26.42" (671mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Poy Sippi, Wisconsin, is 12h and 30min.On the first day of the month, sunrise is at 6:19 am and sunset at 7:31 pm. On the last day of September, sunrise is at 6:53 am and sunset at 6:38 pm CDT.
Sunshine
The average sunshine in September is 8.6h.UV index
In Poy Sippi, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Heed the precautions - It is counselled to guard against solar damage. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Poy Sippi, WI
- Average high temperature in September: 69.6°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (21.7°F).
- Average low temperature in September: 51.6°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (10.4°F).
Average pressure in September
Poy Sippi, WI
- Average pressure in September: 30.02"Hg
The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Poy Sippi, WI
- Average wind speed in September: 7.7mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in September
Poy Sippi, WI
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Poy Sippi, WI
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is May (3.43").
The driest months (with the least rainfall) are January and February (1.22").
Average rainfall days in September
Poy Sippi, WI
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is February (4 days).
Average snowfall in September
Poy Sippi, WI
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Poy Sippi, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Poy Sippi, 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: 8h and 54min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in September
Poy Sippi, WI
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is November (16.6 days).
The months with the least sunshine days are April and June (11.9 days).
Average UV index in September
Poy Sippi, WI
- Average UV index in September: 3
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, November and December (UV index 1).
Average cloud cover in September
Poy Sippi, WI
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Poy Sippi, WI
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).





