September weather forecastForest Junction, WI
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Forest Junction, Wisconsin, with temperature in the range of an average low of 52.2°F (11.2°C) and an average high of 69.4°F (20.8°C).Temperature
Forest Junction's progression into September involves a minor drop in the average high-temperature, slightly receding from a moderately hot 76.6°F (24.8°C) in August to an agreeable 69.4°F (20.8°C). Throughout the month of September, Forest Junction witnesses an average low-temperature of 52.2°F (11.2°C).Humidity
The average relative humidity in September is 80%.Rainfall
In Forest Junction, in September, it is raining for 12.5 days, with typically 1.73" (44mm) of accumulated precipitation. In Forest Junction, during the entire year, the rain falls for 136 days and collects up to 22.4" (569mm) of precipitation.Snowfall
In Forest Junction, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 30min.On the first day of September in Forest Junction, sunrise is at 6:16 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:34 pm CDT.
Sunshine
The average sunshine in September is 8.6h.UV index
In Forest Junction, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Undertake protective steps - Preventing sun damage is advised. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Forest Junction, WI
- Average high temperature in September: 69.4°F
The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in September: 52.2°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure in September
Forest Junction, WI
- Average pressure in September: 30.02"Hg
The months with the highest atmospheric pressure are February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Forest Junction, WI
- Average wind speed in September: 8mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).
Average humidity in September
Forest Junction, WI
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Forest Junction, WI
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in September
Forest Junction, WI
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in September
Forest Junction, WI
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Forest Junction, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Forest Junction, WI
- Average daylight in September: 12h and 30min
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 36min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 3h and 30min).
Average sunshine days in September
Forest Junction, WI
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is July (11.1 days).
Average UV index in September
Forest Junction, WI
- Average UV index in September: 3
The months with the highest UV index are 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
Forest Junction, WI
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
Forest Junction, WI
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
