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
September's arrival comes with a mild decrease in the average high-temperature, moving subtly from a warm 77.5°F (25.3°C) in August to an agreeable 71.8°F (22.1°C). Potter Lake's average low-temperature for the month of September records at a fresh 53.6°F (12°C).Humidity
In September, the average relative humidity is 80%.Rainfall
In Potter Lake, in September, it is raining for 13 days, with typically 2.05" (52mm) of accumulated precipitation. In Potter Lake, during the entire year, the rain falls for 150.4 days and collects up to 28.43" (722mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:18 am and sunset at 7:27 pm. On the last day of September, sunrise is at 6:50 am and sunset at 6:35 pm CDT.
Sunshine
The average sunshine in September is 8.8h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. To avoid the Sun's strongest rays, limit exposure around the mid-day period. 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
What is the usual temperature for Potter Lake in September?
What is the average humidity in September in Potter Lake?
How many days does it rain in September?
When it does not snow?
Does it snow in Potter Lake in September?
How many hours of daylight does Potter Lake have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Potter Lake have in September?
What is the UV index reading in September?
Average temperature in September
Potter Lake, WI
- Average high temperature in September: 71.8°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in September: 53.6°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).
Average pressure in September
Potter Lake, WI
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Potter Lake, WI
- Average wind speed in September: 7.3mph
The windiest months (with the highest average wind speed) are January, February and April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in September
Potter Lake, WI
- Average humidity in September: 80%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Potter Lake, WI
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is June (3.54").
The driest month (with the least rainfall) is February (1.22").
Average rainfall days in September
Potter Lake, WI
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (5.2 days).
Average snowfall in September
Potter Lake, WI
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.08").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Potter Lake, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Potter Lake, WI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
Potter Lake, WI
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is November (15.9 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in September
Potter Lake, 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 December (UV index 1).
Average cloud cover in September
Potter Lake, WI
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility in September
Potter Lake, WI
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
Potter Lake, Wisconsin, USA
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