September weather forecastWeyerhaeuser, WI
September
Weather in September
September, the first month of the autumn in Weyerhaeuser, is still a pleasant month, with temperature in the range of an average high of 68.9°F (20.5°C) and an average low of 49.1°F (9.5°C).Temperature
September is characterized by a mild reduction in the average high-temperature, from a warm 76.8°F (24.9°C) in August to an agreeable 68.9°F (20.5°C). The temperature dips to an average of 49.1°F (9.5°C) during September nights.Humidity
In September, the average relative humidity is 80%.Rainfall
In Weyerhaeuser, in September, it is raining for 12.2 days, with typically 1.61" (41mm) of accumulated precipitation. Throughout the year, there are 128.5 rainfall days, and 23.94" (608mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:28 am and sunset at 7:42 pm. On the last day of September, in Weyerhaeuser, sunrise is at 7:03 am and sunset at 6:47 pm CDT.
Sunshine
In September, the average sunshine is 8.1h.UV index
In Weyerhaeuser, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Take necessary precautions - Suggestions to elude sunburn are provided. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Weyerhaeuser, 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 (18.1°F).
- Average low temperature in September: 49.1°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 (5.4°F).
Average pressure in September
Weyerhaeuser, 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
Weyerhaeuser, WI
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in September
Weyerhaeuser, 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 (75%).
Average rainfall in September
Weyerhaeuser, WI
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in September
Weyerhaeuser, WI
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (2.9 days).
Average snowfall in September
Weyerhaeuser, WI
- Average snowfall in September: 0"
The month with the highest snowfall is December (7.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Weyerhaeuser, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (19.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Weyerhaeuser, 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 36min).
The months with the least sunshine are January and February (Average sunshine: 2h and 36min).
Average sunshine days in September
Weyerhaeuser, WI
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is October (16 days).
The months with the least sunshine days are February and April (10 days).
Average UV index in September
Weyerhaeuser, 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, February and December (UV index 1).
Average cloud cover in September
Weyerhaeuser, WI
- Average cloud cover in September: 40
The months with the most cloud cover are January and February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in September
Weyerhaeuser, WI
- Average visibility in September: 5mi
The months with the highest visibility are May and June (6mi).
The months with the lowest visibility are January, February and December (4mi).
