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
A mild shift in the average high-temperature occurs in September, reducing from a warm 76.3°F (24.6°C) in August to a pleasant 69.8°F (21°C). An average low-temperature of 56.5°F (13.6°C) is recorded in the month of September.Humidity
In September, the average relative humidity is 78%.Rainfall
In Cedarburg, during September, the rain falls for 12.4 days and regularly aggregates up to 1.97" (50mm) of precipitation. In Cedarburg, during the entire year, the rain falls for 136.6 days and collects up to 21.69" (551mm) of precipitation.Snowfall
May through September are months without snowfall in Cedarburg.Daylight
The average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 6:16 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:34 pm CDT.
Sunshine
The average sunshine in September is 9.2h.UV index
The average daily maximum UV index in September in Cedarburg, Wisconsin, is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 4 during September leads to these advisories:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Direct Sun exposure should be minimized especially during midday when radiation is most intense. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Cedarburg in September?
What is the average humidity in September in Cedarburg?
How much does it rain in Cedarburg in September?
When it does not snow in Cedarburg?
Does it snow in Cedarburg in September?
How many hours of daylight does Cedarburg have in September?
When are sunrise and sunset in September in Cedarburg?
How many hours of sunshine does Cedarburg have in September?
How high is the UV index in September in Cedarburg?
Average temperature in September
Cedarburg, WI
- Average high temperature in September: 69.8°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (25.9°F).
- Average low temperature in September: 56.5°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in September
Cedarburg, 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 (29.92"Hg).
Average wind speed in September
Cedarburg, WI
- Average wind speed in September: 8.6mph
The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in September
Cedarburg, WI
- Average humidity in September: 78%
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are October and November (76%).
Average rainfall in September
Cedarburg, WI
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is July (2.8").
The driest months (with the least rainfall) are February and December (0.94").
Average rainfall days in September
Cedarburg, WI
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in September
Cedarburg, WI
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.76").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Cedarburg, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.2 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
Cedarburg, 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 0min).
- Average sunshine in September: 9h and 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
Cedarburg, WI
- Average sunshine days in September: 15 days
The month with the most sunshine days is December (16.8 days).
The month with the least sunshine days is July (11.9 days).
Average UV index in September
Cedarburg, WI
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Cedarburg, WI
- Average cloud cover in September: 29
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
Cedarburg, 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).
Cedarburg, Wisconsin, USA
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