September weather forecastCedar Grove, WI
September
Weather in September
September, the first month of the autumn in Cedar Grove, is still a comfortable month, with an average temperature ranging between max 67.3°F (19.6°C) and min 57.6°F (14.2°C).Temperature
The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's warm 73.9°F (23.3°C) to a comfortable 67.3°F (19.6°C). In Cedar Grove, the average temperature during the nights of September drops to a moderate 57.6°F (14.2°C).Humidity
In Cedar Grove, the average relative humidity in September is 79%.Rainfall
In Cedar Grove, during September, the rain falls for 13.5 days and regularly aggregates up to 2.56" (65mm) of precipitation. Throughout the year, there are 141.6 rainfall days, and 28.23" (717mm) of precipitation is accumulated.Snowfall
In Cedar Grove, Wisconsin, snow does not fall in May through September.Daylight
In Cedar Grove, the average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 6:15 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:33 pm CDT.
Sunshine
In September, the average sunshine is 9.2h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 4 in September transforms into this advice:
Heed the precautions - Suggestions to avoid sunburn are made. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cedar Grove, WI
- Average high temperature in September: 67.3°F
The warmest month (with the highest average high temperature) is August (73.9°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in September: 57.6°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in September
Cedar Grove, 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
Cedar Grove, WI
- Average wind speed in September: 10.1mph
The windiest month (with the highest average wind speed) is January (13.4mph).
The calmest month (with the lowest average wind speed) is July (8.4mph).
Average humidity in September
Cedar Grove, WI
- Average humidity in September: 79%
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are October and November (77%).
Average rainfall in September
Cedar Grove, WI
- Average rainfall in September: 2.56"
The wettest month (with the highest rainfall) is July (3.46").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days in September
Cedar Grove, WI
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in September
Cedar Grove, WI
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.99").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Cedar Grove, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.1 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
Cedar Grove, 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: 9h and 0min).
- Average sunshine in September: 9h and 12min
The months with the most sunshine are July and August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
Cedar Grove, WI
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is December (16.2 days).
The month with the least sunshine days is July (11.1 days).
Average UV index in September
Cedar Grove, WI
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Cedar Grove, WI
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in September
Cedar Grove, 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).
