September weather forecastTainter Lake, WI
September
Weather in September
September, the first month of the autumn in Tainter Lake, is also an agreeable month, with an average temperature varying between 70°F (21.1°C) and 50.7°F (10.4°C).Temperature
September's arrival subtly correlates with a reduction in the average high-temperature, down from a warm 77°F (25°C) in August to a pleasant 70°F (21.1°C). Tainter Lake encounters an average low-temperature of 50.7°F (10.4°C) during September nights.Humidity
In Tainter Lake, the average relative humidity in September is 79%.Rainfall
In September, the rain falls for 13.6 days. Throughout September, 2.28" (58mm) of precipitation is accumulated. Throughout the year, there are 139.8 rainfall days, and 27.52" (699mm) of precipitation is accumulated.Snowfall
In Tainter Lake, 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 the month, sunrise is at 6:30 am and sunset at 7:43 pm. On the last day of September, in Tainter Lake, sunrise is at 7:05 am and sunset at 6:49 pm CDT.
Sunshine
In September, the average sunshine is 8.5h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 4 during September leads to these instructions:
Act with care - The need to guard against sun damage is communicated. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tainter Lake, WI
- Average high temperature in September: 70°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 (19°F).
- Average low temperature in September: 50.7°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (5.9°F).
Average pressure in September
Tainter Lake, WI
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Tainter Lake, WI
- Average wind speed in September: 7.4mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in September
Tainter Lake, WI
- Average humidity in September: 79%
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
Tainter Lake, WI
- Average rainfall in September: 2.28"
The wettest month (with the highest rainfall) is June (4.65").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days in September
Tainter Lake, WI
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is June (19.3 days).
The month with the least rainy days is January (3 days).
Average snowfall in September
Tainter Lake, WI
- Average snowfall in September: 0"
The month with the highest snowfall is February (7.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Tainter Lake, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Tainter Lake, 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 30min
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: 3h and 12min).
Average sunshine days in September
Tainter Lake, WI
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is November (15.9 days).
The month with the least sunshine days is June (8.2 days).
Average UV index in September
Tainter Lake, WI
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Tainter Lake, WI
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Tainter Lake, 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).





