September weather forecastKempster, WI
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Kempster, Wisconsin, with temperature in the range of an average low of 48°F (8.9°C) and an average high of 67.1°F (19.5°C).Temperature
September reveals a small adjustment in temperature, transitioning from an average high of a warm 75.2°F (24°C) in August to an enjoyable 67.1°F (19.5°C). During the nights in September, Kempster observes an average low-temperature of 48°F (8.9°C).Humidity
In September, the average relative humidity is 80%.Rainfall
In Kempster, in September, it is raining for 12.4 days, with typically 1.73" (44mm) of accumulated precipitation. In Kempster, Wisconsin, during the entire year, the rain falls for 120.4 days and collects up to 22.99" (584mm) of precipitation.Snowfall
In Kempster, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 31min.On the first day of September, sunrise is at 6:19 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:38 pm CDT.
Sunshine
In September, the average sunshine in Kempster is 7.6h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 3 during September morphs into the following directions:
Put precautions into practice - Protective measures against sun-induced damage are advised. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kempster, WI
- Average high temperature in September: 67.1°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 (19.8°F).
- Average low temperature in September: 48°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 (8.4°F).
Average pressure in September
Kempster, WI
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Kempster, WI
- Average wind speed in September: 7.3mph
The windiest months (with the highest average wind speed) are April and November (8.5mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in September
Kempster, WI
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
Kempster, WI
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is June (2.83").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in September
Kempster, WI
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in September
Kempster, WI
- Average snowfall in September: 0"
The month with the highest snowfall is February (7.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Kempster, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Kempster, WI
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 7h and 36min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).
Average sunshine days in September
Kempster, WI
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is February (10.8 days).
Average UV index in September
Kempster, 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
Kempster, WI
- Average cloud cover in September: 46
The months with the most cloud cover are January and February (Cloud cover 79).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility in September
Kempster, WI
- Average visibility in September: 5mi
The months with the highest visibility are May, June and October (6mi).
The months with the lowest visibility are January and February (4mi).
