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 average high-temperature slightly decreases in September, shifting from a moderately hot 76.6°F (24.8°C) in August to a pleasant 68.9°F (20.5°C). Throughout the month of September, the average temperature dips to a frosty 49.5°F (9.7°C) at night.Humidity
In Jump River, the average relative humidity in September is 80%.Rainfall
In Jump River, during September, the rain falls for 13.2 days and regularly aggregates up to 1.85" (47mm) of precipitation. Throughout the year, there are 137.4 rainfall days, and 26.26" (667mm) of precipitation is accumulated.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 September, sunrise is at 6:27 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:46 pm CDT.
Sunshine
The average sunshine in September is 8.4h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 4 in September translates into these instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Jump River have in September?
What is the UV index intensity in September?
Average temperature in September
Jump River, WI
- Average high temperature in September: 68.9°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (18.7°F).
- Average low temperature in September: 49.5°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (6.1°F).
Average pressure in September
Jump River, WI
- Average pressure in September: 30.01"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Jump River, WI
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in September
Jump River, WI
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (76%).
Average rainfall in September
Jump River, WI
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is June (4.06").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in September
Jump River, WI
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is May (18.3 days).
The months with the least rainy days are January and February (3.7 days).
Average snowfall in September
Jump River, WI
- Average snowfall in September: 0"
The month with the highest snowfall is February (7.44").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Jump River, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Jump River, 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 2min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January and February (Average sunshine: 2h and 48min).
Average sunshine days in September
Jump River, WI
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is October (15.6 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in September
Jump River, WI
- Average UV index in September: 4
The months with the highest UV index are May, 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
Jump River, WI
- Average cloud cover in September: 38
The months with the most cloud cover are January and February (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in September
Jump River, 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 and February (4mi).
Jump River, Wisconsin, USA
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