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 onset of September brings a small shift in high-temperatures, falling from a warm 77.5°F (25.3°C) in August to an agreeable 69.8°F (21°C). Big Falls throughout September, experiences an average nighttime temperature of 50.9°F (10.5°C).Humidity
In September, the average relative humidity in Big Falls is 80%.Rainfall
In September, the rain falls for 10.9 days. Throughout September, 1.42" (36mm) of precipitation is accumulated. Throughout the year, in Big Falls, there are 122.7 rainfall days, and 19.72" (501mm) of precipitation is accumulated.Snowfall
In Big Falls, snow does not fall in June through September.Daylight
In Big Falls, the average length of the day in September is 12h and 30min.On the first day of the month, sunrise is at 6:19 am and sunset at 7:32 pm. On the last day of September, in Big Falls, sunrise is at 6:53 am and sunset at 6:37 pm CDT.
Sunshine
The average sunshine in September is 8.4h.UV index
In Big Falls, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 3 during September translates into these guidelines:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Frequently asked questions
What is the temperature in September in Big Falls?
What is the average humidity in September in Big Falls?
How many days does it rain in September in Big Falls?
When it does not snow in Big Falls?
Does it snow in Big Falls in September?
What is the average length of the day in September in Big Falls?
When is the sunrise / sunset in September in Big Falls?
How many hours of sunshine does Big Falls have in September?
What is the UV index intensity in September in Big Falls?
Average temperature in September
Big Falls, WI
- Average high temperature in September: 69.8°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (21.7°F).
- Average low temperature in September: 50.9°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in September
Big Falls, WI
- Average pressure in September: 30.02"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 (29.91"Hg).
Average wind speed in September
Big Falls, WI
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in September
Big Falls, WI
- Average humidity in September: 80%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Big Falls, WI
- Average rainfall in September: 1.42"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days in September
Big Falls, WI
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (3.5 days).
Average snowfall in September
Big Falls, WI
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Big Falls, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Big Falls, WI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Big Falls, WI
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is January (18.5 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in September
Big Falls, WI
- Average UV index in September: 3
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
Big Falls, WI
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Big Falls, WI
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, August, October, November and December (6mi).
The months with the lowest visibility are January, February and September (5mi).
Big Falls, Wisconsin, USA
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