September weather forecastBrokaw, WI
September
Weather in September
September, the first month of the autumn in Brokaw, is still a pleasant month, with temperature in the range of an average high of 68.2°F (20.1°C) and an average low of 49.6°F (9.8°C).Temperature
The beginning of September brings a minor change in the average high-temperature, shifting from a warm 75.6°F (24.2°C) in August to an agreeable 68.2°F (20.1°C). During September, Brokaw records an average temperature of 49.6°F (9.8°C) at night.Humidity
In September, the average relative humidity is 80%.Rainfall
In Brokaw, Wisconsin, in September, it is raining for 9.2 days, with typically 0.75" (19mm) of accumulated precipitation. In Brokaw, during the entire year, the rain falls for 103 days and collects up to 11.02" (280mm) of precipitation.Snowfall
In Brokaw, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 31min.On the first day of September in Brokaw, Wisconsin, sunrise is at 6:21 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:40 pm CDT.
Sunshine
In Brokaw, the average sunshine in September is 8.1h.UV index
In September, the average daily maximum UV index in Brokaw, Wisconsin, is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, an average UV index of 3 transforms into the following instructions:
Take necessary precautions - Defending against sun damage is advocated. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Brokaw, 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
Brokaw, 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
Brokaw, 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
Brokaw, 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
Brokaw, 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
Brokaw, 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
Brokaw, 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
Brokaw, 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
Brokaw, WI
- Average daylight in September: 12h and 30min
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 6min
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
Brokaw, 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
Brokaw, 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
Brokaw, 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
Brokaw, 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).
