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
September witnesses a gentle descent in average high-temperature, descending from August's warm 76.5°F (24.7°C) to a pleasant 69.4°F (20.8°C). The mean low-temperature during September nights is a cool 52.7°F (11.5°C).Humidity
The average relative humidity in September is 81%.Rainfall
In Chilton, in September, it is raining for 12.6 days, with typically 2.05" (52mm) of accumulated precipitation. In Chilton, during the entire year, the rain falls for 132.7 days and collects up to 25.08" (637mm) of precipitation.Snowfall
In Chilton, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 30min.On the first day of the month, sunrise is at 6:16 am and sunset at 7:28 pm. On the last day of September, sunrise is at 6:50 am and sunset at 6:34 pm CDT.
Sunshine
The average sunshine in September is 8.4h.UV index
In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In September, the maximum UV index of 3 suggests this advice:
Undertake precautions - Guarding against sun damage is counselled. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How much does it rain in September?
When it does not snow in Chilton?
Does it snow in September?
How many hours of daylight does Chilton have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Chilton have in September?
What is the UV index intensity in September in Chilton?
Average temperature in September
Chilton, WI
- Average high temperature in September: 69.4°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (23.2°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).
Average pressure in September
Chilton, WI
- Average pressure in September: 30.03"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
Chilton, WI
- Average wind speed in September: 8mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).
Average humidity in September
Chilton, WI
- Average humidity in September: 81%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Chilton, WI
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days in September
Chilton, WI
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is February (4 days).
Average snowfall in September
Chilton, WI
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Chilton, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Chilton, WI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 3h and 24min).
Average sunshine days in September
Chilton, WI
- Average sunshine days in September: 16.3 days
The months with the most sunshine days are September and November (16.3 days).
The month with the least sunshine days is April (11.6 days).
Average UV index in September
Chilton, 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, February, November and December (UV index 1).
Average cloud cover in September
Chilton, 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 July (Cloud cover 32).
Average visibility in September
Chilton, WI
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Chilton, Wisconsin, USA
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