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
In Cecil, the average high-temperature in September gently drops from a moderately hot 77.7°F (25.4°C) in August to an agreeable 70°F (21.1°C). Cecil records an average low-temperature of 50.7°F (10.4°C) throughout the month of September.Humidity
The average relative humidity in September is 79%.Rainfall
In September, the rain falls for 11.7 days. Throughout September, 1.61" (41mm) of precipitation is accumulated. In Cecil, during the entire year, the rain falls for 126.9 days and collects up to 23.03" (585mm) of precipitation.Snowfall
In Cecil, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 31min.On the first day of the month, sunrise is at 6:17 am and sunset at 7:30 pm. On the last day of September, sunrise is at 6:51 am and sunset at 6:35 pm CDT.
Sunshine
In September, the average sunshine is 8.4h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Guard yourself - Precautionary measures against sun damage are advocated. To guard against the harmful effects of the Sun, minimize exposure during midday. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Cecil in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Cecil have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Cecil have in September?
How high is the UV index in September?
Average temperature in September
Cecil, WI
- Average high temperature in September: 70°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 (22.3°F).
- Average low temperature in September: 50.7°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (11.5°F).
Average pressure in September
Cecil, WI
- Average pressure in September: 30.02"Hg
The months with the highest atmospheric pressure are February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Cecil, WI
- Average wind speed in September: 7.3mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in September
Cecil, WI
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are April and May (75%).
Average rainfall in September
Cecil, WI
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is May (3.19").
The driest months (with the least rainfall) are January and February (1.02").
Average rainfall days in September
Cecil, WI
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is May (15.1 days).
The months with the least rainy days are January and February (4.3 days).
Average snowfall in September
Cecil, WI
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Cecil, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Cecil, 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 54min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in September
Cecil, WI
- Average sunshine days in September: 16 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is April (12.7 days).
Average UV index in September
Cecil, WI
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Cecil, WI
- Average cloud cover in September: 37
The months with the most cloud cover are January and February (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Cecil, WI
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are January, February, August and September (5mi).
Cecil, Wisconsin, USA
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