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 signifies a minor drop in average high-temperature, transitioning from a warm 77°F (25°C) in August to a pleasant 70°F (21.1°C). Throughout September, the average low-temperature dips to a cool 50.7°F (10.4°C).Humidity
The average relative humidity in September is 79%.Rainfall
In September, the rain falls for 13.6 days. Throughout September, 2.28" (58mm) of precipitation is accumulated. In Cedar Falls, during the entire year, the rain falls for 139.8 days and collects up to 27.52" (699mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Cedar Falls, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:30 am and sunset at 7:44 pm. On the last day of September, sunrise is at 7:05 am and sunset at 6:49 pm CDT.
Sunshine
The average sunshine in September in Cedar Falls is 8.5h.UV index
In Cedar Falls, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 4 translates into these guidelines:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Cedar Falls?
What is the average humidity in September in Cedar Falls?
How much does it rain in Cedar Falls in September?
When it does not snow in Cedar Falls?
Does it snow in Cedar Falls in September?
How many hours of daylight does Cedar Falls have in September?
What time are sunrise and sunset in September in Cedar Falls?
How many hours of sunshine does Cedar Falls have in September?
How high is the UV index in September in Cedar Falls?
Average temperature in September
Cedar Falls, WI
- Average high temperature in September: 70°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 (19°F).
- Average low temperature in September: 50.7°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (5.9°F).
Average pressure in September
Cedar Falls, WI
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Cedar Falls, WI
- Average wind speed in September: 7.4mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in September
Cedar Falls, WI
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Cedar Falls, WI
- Average rainfall in September: 2.28"
The wettest month (with the highest rainfall) is June (4.65").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days in September
Cedar Falls, WI
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is June (19.3 days).
The month with the least rainy days is January (3 days).
Average snowfall in September
Cedar Falls, WI
- Average snowfall in September: 0"
The month with the highest snowfall is February (7.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Cedar Falls, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Cedar Falls, 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 48min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January and February (Average sunshine: 3h and 12min).
Average sunshine days in September
Cedar Falls, WI
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is November (15.9 days).
The month with the least sunshine days is June (8.2 days).
Average UV index in September
Cedar Falls, 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
Cedar Falls, WI
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Cedar Falls, 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 and February (4mi).
Cedar Falls, Wisconsin, USA
Weather forecast for your location
2. Allow the app to use your location