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
With the onset of September, the average high-temperature subtly recedes from August's warm 77.5°F (25.3°C) to an agreeable 69.6°F (20.9°C). Throughout September nights, Lena experiences a consistent temperature average of 51.6°F (10.9°C).Humidity
In Lena, the average relative humidity in September is 79%.Rainfall
In Lena, Wisconsin, in September, during 11.3 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. In Lena, Wisconsin, during the entire year, the rain falls for 134.3 days and collects up to 24.06" (611mm) of precipitation.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 6:15 am and sunset at 7:28 pm. On the last day of September, sunrise is at 6:49 am and sunset at 6:33 pm CDT.
Sunshine
In Lena, the average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September in Lena is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 4 in September translates into this advice:
Undertake protective steps - Preventing sun damage is advised. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Experience reduced UV exposure by about half when donning a wide-brim hat.
Frequently asked questions
What is the temperature in September in Lena?
What is the average humidity in September in Lena?
How much does it rain in Lena in September?
When it does not snow in Lena?
Does it snow in Lena in September?
How many hours of daylight does Lena have in September?
What time are sunrise and sunset in September in Lena?
How many hours of sunshine does Lena have in September?
What is the UV index intensity in September in Lena?
Average temperature in September
Lena, WI
- Average high temperature in September: 69.6°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (22.6°F).
- Average low temperature in September: 51.6°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in September
Lena, WI
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Lena, WI
- Average wind speed in September: 7.7mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in September
Lena, WI
- Average humidity in September: 79%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April and May (75%).
Average rainfall in September
Lena, WI
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in September
Lena, WI
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is February (4.5 days).
Average snowfall in September
Lena, WI
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.93").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Lena, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lena, 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: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in September
Lena, WI
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is September (16.9 days).
The month with the least sunshine days is April (11.6 days).
Average UV index in September
Lena, WI
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January and March (UV index 1).
Average cloud cover in September
Lena, WI
- Average cloud cover in September: 34
The months with the most cloud cover are January and February (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
Lena, 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).
Lena, Wisconsin, USA
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