September weather forecastLake Tomahawk, WI
September
Weather in September
September, the first month of the autumn in Lake Tomahawk, is still a refreshing month, with an average temperature ranging between max 66.9°F (19.4°C) and min 48.4°F (9.1°C).Temperature
The onset of September brings a small shift in high-temperatures, falling from a moderately hot 74.8°F (23.8°C) in August to an enjoyable 66.9°F (19.4°C). Nighttime temperatures in September average to a chilly 48.4°F (9.1°C) in Lake Tomahawk, Wisconsin.Humidity
In September, the average relative humidity in Lake Tomahawk, Wisconsin, is 80%.Rainfall
In September, the rain falls for 12.7 days. Throughout September, 1.22" (31mm) of precipitation is accumulated. In Lake Tomahawk, during the entire year, the rain falls for 119.7 days and collects up to 18.78" (477mm) of precipitation.Snowfall
In Lake Tomahawk, 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, sunrise is at 6:20 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:39 pm CDT.
Sunshine
In September, the average sunshine in Lake Tomahawk, Wisconsin, is 7.8h.UV index
In Lake Tomahawk, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 3 suggests these recommendations:
Take necessary precautions - Defending against sun damage is advocated. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lake Tomahawk, WI
- Average high temperature in September: 66.9°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 (18.9°F).
- Average low temperature in September: 48.4°F
The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).
Average pressure in September
Lake Tomahawk, WI
- Average pressure in September: 30.01"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
Lake Tomahawk, WI
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is November (8.6mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in September
Lake Tomahawk, 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 (71%).
Average rainfall in September
Lake Tomahawk, WI
- Average rainfall in September: 1.22"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days in September
Lake Tomahawk, WI
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is June (15.3 days).
The months with the least rainy days are January and February (2.7 days).
Average snowfall in September
Lake Tomahawk, WI
- Average snowfall in September: 0"
The month with the highest snowfall is December (6.89").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Lake Tomahawk, WI
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (23.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Lake Tomahawk, WI
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 7h and 48min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The months with the least sunshine are January and February (Average sunshine: 2h and 6min).
Average sunshine days in September
Lake Tomahawk, WI
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is January (8.3 days).
Average UV index in September
Lake Tomahawk, 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
Lake Tomahawk, WI
- Average cloud cover in September: 44
The months with the most cloud cover are January and February (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in September
Lake Tomahawk, WI
- Average visibility in September: 5mi
The months with the highest visibility are May, June and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
