September weather forecastSarona, WI
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Sarona, Wisconsin, with temperature in the range of an average low of 49.8°F (9.9°C) and an average high of 68.9°F (20.5°C).Temperature
In Sarona, entering September brings a subtle temperature decrement, reducing from August's warm 77°F (25°C) to a pleasant 68.9°F (20.5°C). An average low-temperature of 49.8°F (9.9°C) is observed in Sarona during the September nights.Humidity
In September, the average relative humidity is 78%.Rainfall
In Sarona, in September, during 12.5 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. Throughout the year, there are 118.5 rainfall days, and 21.1" (536mm) of precipitation is accumulated.Snowfall
In Sarona, Wisconsin, snow does not fall in June through September.Daylight
In September, the average length of the day in Sarona is 12h and 31min.On the first day of the month, sunrise is at 6:29 am and sunset at 7:44 pm. On the last day of September, sunrise is at 7:05 am and sunset at 6:48 pm CDT.
Sunshine
In Sarona, the average sunshine in September is 8.4h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: A maximum UV index of 4 in September translates into the following recommendations:
Be vigilant - Preventing sunburn is recommended. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sarona, WI
- Average high temperature in September: 68.9°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (17.4°F).
- Average low temperature in September: 49.8°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (4.8°F).
Average pressure in September
Sarona, WI
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Sarona, WI
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in September
Sarona, WI
- Average humidity in September: 78%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (73%).
Average rainfall in September
Sarona, WI
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is June (3.15").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in September
Sarona, WI
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is June (15.8 days).
The month with the least rainy days is January (2.4 days).
Average snowfall in September
Sarona, WI
- Average snowfall in September: 0"
The month with the highest snowfall is December (6.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Sarona, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sarona, WI
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in September
Sarona, WI
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is December (16.9 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in September
Sarona, 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, November and December (UV index 1).
Average cloud cover in September
Sarona, WI
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in September
Sarona, WI
- Average visibility in September: 5mi
The months with the highest visibility are April, May, June, July and October (6mi).
The months with the lowest visibility are January and February (4mi).
