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 corresponds with a minor reduction in the average high-temperature, down from August's warm 75.7°F (24.3°C) to a pleasant 69.6°F (20.9°C). In September, the average low-temperature in Kewaskum records at a cool 53.2°F (11.8°C) during the nights.Humidity
The average relative humidity in September in Kewaskum, Wisconsin, is 81%.Rainfall
In Kewaskum, during September, the rain falls for 12.3 days and regularly aggregates up to 2.32" (59mm) of precipitation. Throughout the year, in Kewaskum, Wisconsin, there are 136.9 rainfall days, and 25.94" (659mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall in Kewaskum, Wisconsin.Daylight
The average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:17 am and sunset at 7:27 pm. On the last day of September, sunrise is at 6:50 am and sunset at 6:35 pm CDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
In September, the average daily maximum UV index in Kewaskum is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: During September, 3 as the daily maximum UV index converts into the following advice:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Kewaskum in September?
What is the average humidity in September in Kewaskum?
How much does it rain in Kewaskum in September?
When it does not snow in Kewaskum?
Does it snow in Kewaskum in September?
What is the average length of the day in September in Kewaskum?
When are sunrise and sunset in September in Kewaskum?
How many hours of sunshine does Kewaskum have in September?
What is the UV index reading in September in Kewaskum?
Average temperature in September
Kewaskum, WI
- Average high temperature in September: 69.6°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 (23.9°F).
- Average low temperature in September: 53.2°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure in September
Kewaskum, WI
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Kewaskum, WI
- Average wind speed in September: 8.1mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in September
Kewaskum, WI
- Average humidity in September: 81%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Kewaskum, WI
- Average rainfall in September: 2.32"
The wettest months (with the highest rainfall) are May and June (3.23").
The driest month (with the least rainfall) is February (1.06").
Average rainfall days in September
Kewaskum, WI
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in September
Kewaskum, WI
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.53").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Kewaskum, 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 May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Kewaskum, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in September
Kewaskum, WI
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is December (15.9 days).
The month with the least sunshine days is April (11.4 days).
Average UV index in September
Kewaskum, 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
Kewaskum, WI
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in September
Kewaskum, WI
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Kewaskum, Wisconsin, USA
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