Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The onset of September is marked by a minor decrease in temperature, transitioning from a warm 75.7°F (24.3°C) in August to a comfortable 67.1°F (19.5°C). Throughout September nights, Tomahawk registers an average low-temperature of 48.6°F (9.2°C).Humidity
The average relative humidity in September is 80%.Rainfall
In September, the rain falls for 12.7 days. Throughout September, 1.57" (40mm) of precipitation is accumulated. In Tomahawk, during the entire year, the rain falls for 132.2 days and collects up to 23.15" (588mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 31min.On the first day of the month, sunrise is at 6:21 am and sunset at 7:36 pm. On the last day of September, sunrise is at 6:56 am and sunset at 6:40 pm CDT.
Sunshine
In September, the average sunshine is 7.7h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In September, a daily UV index of 3 turns into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How much does it rain in Tomahawk in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Tomahawk have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Tomahawk have in September?
How high is the UV index in September?
Average temperature in September
Tomahawk, WI
- Average high temperature in September: 67.1°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (18.9°F).
- Average low temperature in September: 48.6°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).
Average pressure in September
Tomahawk, WI
- Average pressure in September: 30.01"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
Tomahawk, WI
- Average wind speed in September: 7.4mph
The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in September
Tomahawk, WI
- Average humidity in September: 80%
The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is May (73%).
Average rainfall in September
Tomahawk, WI
- Average rainfall in September: 1.57"
The wettest month (with the highest rainfall) is June (2.95").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in September
Tomahawk, WI
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is June (16.7 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in September
Tomahawk, WI
- Average snowfall in September: 0"
The month with the highest snowfall is February (8.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Tomahawk, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (22.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Tomahawk, WI
- Average daylight in September: 12h and 3min
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: 7h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in September
Tomahawk, WI
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (8 days).
Average UV index in September
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, February, March, November and December (UV index 1).
Average cloud cover in September
Tomahawk, WI
- Average cloud cover in September: 45
The months with the most cloud cover are January and February (Cloud cover 79).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility in September
Tomahawk, WI
- Average visibility in September: 5mi
The months with the highest visibility are May and October (6mi).
The months with the lowest visibility are January and February (4mi).
Tomahawk, Wisconsin, USA
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