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 results in a small decrease in the average high-temperature, moderately receding from a warm 77.5°F (25.3°C) in August to an agreeable 69.8°F (21°C). Leopolis usually reports an average low-temperature of 50.9°F (10.5°C) during the month of September.Humidity
In September, the average relative humidity in Leopolis is 80%.Rainfall
In September, the rain falls for 10.9 days. Throughout September, 1.42" (36mm) of precipitation is accumulated. In Leopolis, during the entire year, the rain falls for 122.7 days and collects up to 19.72" (501mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Leopolis is 12h and 31min.On the first day of September, sunrise is at 6:18 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:37 pm CDT.
Sunshine
In Leopolis, the average sunshine in September is 8.4h.UV index
In Leopolis, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A maximum UV index of 3 in September translates into the following recommendations:
Guard yourself - Avoiding sunburn is suggested. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Frequently asked questions
What is the usual temperature for Leopolis in September?
What is the average humidity in September in Leopolis?
How much does it rain in Leopolis in September?
When it does not snow in Leopolis?
Does it snow in Leopolis in September?
What is the average length of the day in September in Leopolis?
When are sunrise and sunset in September in Leopolis?
How long on average sun shines in September in Leopolis?
How high is the UV index in September in Leopolis?
Average temperature in September
Leopolis, WI
- Average high temperature in September: 69.8°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 (21.7°F).
- Average low temperature in September: 50.9°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 (10.8°F).
Average pressure in September
Leopolis, WI
- Average pressure in September: 30.02"Hg
The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Leopolis, WI
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in September
Leopolis, WI
- Average humidity in September: 80%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Leopolis, WI
- Average rainfall in September: 1.42"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days in September
Leopolis, WI
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (3.5 days).
Average snowfall in September
Leopolis, WI
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Leopolis, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Leopolis, WI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Leopolis, WI
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is January (18.5 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in September
Leopolis, WI
- Average UV index in September: 3
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, November and December (UV index 1).
Average cloud cover in September
Leopolis, WI
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Leopolis, WI
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, August, October, November and December (6mi).
The months with the lowest visibility are January, February and September (5mi).
Leopolis, Wisconsin, USA
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