September weather forecastFountain City, WI
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Fountain City, Wisconsin, with an average temperature varying between 70.7°F (21.5°C) and 51.3°F (10.7°C).Temperature
September's arrival aligns with a minor decrease in average high-temperatures, from August's warm 77°F (25°C) to a pleasant 70.7°F (21.5°C). Fountain City observes an average low-temperature of 51.3°F (10.7°C) during September.Humidity
In Fountain City, the average relative humidity in September is 80%.Rainfall
In Fountain City, in September, it is raining for 12.8 days, with typically 2.09" (53mm) of accumulated precipitation. In Fountain City, Wisconsin, during the entire year, the rain falls for 132.9 days and collects up to 24.88" (632mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 30min.On the first day of the month, sunrise is at 6:30 am and sunset at 7:42 pm. On the last day of September, sunrise is at 7:04 am and sunset at 6:48 pm CDT.
Sunshine
In Fountain City, the average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: A typical high UV index of 4 in September suggests the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Fountain City, WI
- Average high temperature in September: 70.7°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 (20.8°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 (7.9°F).
Average pressure in September
Fountain City, WI
- Average pressure in September: 30.01"Hg
The months with the highest atmospheric pressure are January and February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Fountain City, WI
- Average wind speed in September: 7.4mph
The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in September
Fountain City, WI
- Average humidity in September: 80%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (76%).
Average rainfall in September
Fountain City, WI
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is June (4.49").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in September
Fountain City, WI
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is June (18.7 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in September
Fountain City, WI
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.55").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Fountain City, WI
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Fountain City, 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: 8h and 54min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Fountain City, WI
- Average sunshine days in September: 15 days
The month with the most sunshine days is December (18.4 days).
The month with the least sunshine days is June (9.4 days).
Average UV index in September
Fountain City, WI
- Average UV index in September: 4
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
Fountain City, WI
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Fountain City, WI
- Average visibility in September: 5mi
The months with the highest visibility are April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, March, July, August, September and December (5mi).
