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 moderate decline in average high-temperatures is noted in Wausau in September, moving from a warm 75.6°F (24.2°C) in August to an agreeable 68.2°F (20.1°C). In Wausau, in September, the average low-temperature is a chilly 49.6°F (9.8°C).Humidity
In Wausau, the average relative humidity in September is 80%.Rainfall
In September, the rain falls for 9.2 days. Throughout September, 0.75" (19mm) of precipitation is accumulated. In Wausau, during the entire year, the rain falls for 103 days and collects up to 11.02" (280mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 31min.On the first day of the month, sunrise is at 6:21 am and sunset at 7:35 pm. On the last day of September, in Wausau, sunrise is at 6:56 am and sunset at 6:40 pm CDT.
Sunshine
In Wausau, Wisconsin, the average sunshine in September is 8.1h.UV index
In Wausau, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index, 3 during September, leads to the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Wausau?
What is the average humidity in September in Wausau?
How many days does it rain in September in Wausau?
When it does not snow in Wausau?
Does it snow in Wausau in September?
How many hours of daylight does Wausau have in September?
When are sunrise and sunset in September in Wausau?
How many hours of sunshine does Wausau have in September?
What is the UV index reading in September in Wausau?
Average temperature in September
Wausau, WI
- Average high temperature in September: 68.2°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (19.8°F).
- Average low temperature in September: 49.6°F
The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (8.2°F).
Average pressure in September
Wausau, WI
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Wausau, WI
- Average wind speed in September: 7.7mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in September
Wausau, 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 April (76%).
Average rainfall in September
Wausau, WI
- Average rainfall in September: 0.75"
The wettest months (with the highest rainfall) are May and June (1.46").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in September
Wausau, WI
- Average rainfall days in September: 9.2 days
The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is February (2.9 days).
Average snowfall in September
Wausau, WI
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Wausau, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Wausau, WI
- Average daylight in September: 12h and 3min
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: 8h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Wausau, WI
- Average sunshine days in September: 17.4 days
The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is April (13.4 days).
Average UV index in September
Wausau, WI
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in September
Wausau, WI
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in September
Wausau, WI
- Average visibility in September: 5mi
The months with the highest visibility are April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, March, July, August, September and December (5mi).
Wausau, Wisconsin, USA
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