September weather forecastGlen Flora, WI
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Glen Flora, Wisconsin, with an average temperature varying between 49.1°F (9.5°C) and 68.9°F (20.5°C).Temperature
Glen Flora, Wisconsin, in September experiences a gentle temperature dip, with average high-temperatures reducing from a warm 76.8°F (24.9°C) in August to a pleasant 68.9°F (20.5°C). Glen Flora experiences a steady low-temperature of 49.1°F (9.5°C) throughout September.Humidity
The average relative humidity in September is 80%.Rainfall
In September, the rain falls for 12.2 days. Throughout September, 1.61" (41mm) of precipitation is accumulated. In Glen Flora, during the entire year, the rain falls for 128.5 days and collects up to 23.94" (608mm) of precipitation.Snowfall
June through September are months without snowfall in Glen Flora.Daylight
In September, the average length of the day is 12h and 31min.On the first day of September, sunrise is at 6:25 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:45 pm CDT.
Sunshine
The average sunshine in September is 8.1h.UV index
The average daily maximum UV index in September in Glen Flora is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The UV index of 4 during September translates into the following guidance:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Glen Flora, WI
- Average high temperature in September: 68.9°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (18.1°F).
- Average low temperature in September: 49.1°F
The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).
Average pressure in September
Glen Flora, WI
- Average pressure in September: 30.01"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Glen Flora, WI
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in September
Glen Flora, WI
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (75%).
Average rainfall in September
Glen Flora, WI
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in September
Glen Flora, WI
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (2.9 days).
Average snowfall in September
Glen Flora, WI
- Average snowfall in September: 0"
The month with the highest snowfall is December (7.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Glen Flora, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (19.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Glen Flora, WI
- Average daylight in September: 12h and 30min
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 6min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The months with the least sunshine are January and February (Average sunshine: 2h and 36min).
Average sunshine days in September
Glen Flora, WI
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is October (16 days).
The months with the least sunshine days are February and April (10 days).
Average UV index in September
Glen Flora, WI
- Average UV index in September: 4
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, February and December (UV index 1).
Average cloud cover in September
Glen Flora, WI
- Average cloud cover in September: 40
The months with the most cloud cover are January and February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in September
Glen Flora, WI
- Average visibility in September: 5mi
The months with the highest visibility are May and June (6mi).
The months with the lowest visibility are January, February and December (4mi).





