September weather forecastMauston, WI
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Mauston, Wisconsin, with an average temperature fluctuating between 51.3°F (10.7°C) and 71.1°F (21.7°C).Temperature
With September's onset, the weather reveals a slight temperature decrease, transitioning from a moderately hot 78.1°F (25.6°C) in August to a pleasant 71.1°F (21.7°C). An average low-temperature of 51.3°F (10.7°C) is observed during September nights in Mauston.Humidity
In Mauston, the average relative humidity in September is 79%.Rainfall
In September, in Mauston, the rain falls for 11.8 days. Throughout September, 2.24" (57mm) of precipitation is accumulated. In Mauston, during the entire year, the rain falls for 132.6 days and collects up to 25.75" (654mm) of precipitation.Snowfall
In Mauston, Wisconsin, snow does not fall in June through September.Daylight
The average length of the day in September in Mauston is 12h and 29min.On the first day of September in Mauston, sunrise is at 6:24 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:42 pm CDT.
Sunshine
The average sunshine in September in Mauston is 9h.UV index
In September, the average daily maximum UV index in Mauston, Wisconsin, is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mauston, WI
- Average high temperature in September: 71.1°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (22.1°F).
- Average low temperature in September: 51.3°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (9.7°F).
Average pressure in September
Mauston, WI
- Average pressure in September: 30.02"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Mauston, WI
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is April (9.7mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in September
Mauston, WI
- Average humidity in September: 79%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Mauston, WI
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is June (3.54").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in September
Mauston, WI
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is January (3.9 days).
Average snowfall in September
Mauston, WI
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.88").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Mauston, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Mauston, WI
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in September
Mauston, WI
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is August (16.6 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in September
Mauston, WI
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Mauston, WI
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in September
Mauston, WI
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, July and December (5mi).





