September weather forecastCantrall, IL
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Cantrall, Illinois, with an average temperature ranging between max 77.4°F (25.2°C) and min 58.5°F (14.7°C).Temperature
As Cantrall steps into September, the average high-temperature is measured at a still moderately hot 77.4°F (25.2°C), displaying minor differences from August's 82°F (27.8°C). Cantrall experiences an average temperature drop to a refreshing 58.5°F (14.7°C) during September nights.Humidity
In September, the average relative humidity is 75%.Rainfall
In Cantrall, during September, the rain falls for 10.2 days and regularly aggregates up to 2.09" (53mm) of precipitation. Throughout the year, there are 132.4 rainfall days, and 21.89" (556mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In Cantrall, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:27 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:42 pm CDT.
Sunshine
The average sunshine in September is 9.2h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high UV index of 5 in September translates into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. To protect against the Sun's most potent rays, avoid direct exposure around midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cantrall, IL
- Average high temperature in September: 77.4°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in September: 58.5°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in September
Cantrall, IL
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Cantrall, IL
- Average wind speed in September: 7.1mph
The windiest months (with the highest average wind speed) are January and April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in September
Cantrall, IL
- Average humidity in September: 75%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Cantrall, IL
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in September
Cantrall, IL
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (5.6 days).
Average snowfall in September
Cantrall, IL
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.8").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Cantrall, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Cantrall, IL
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 9h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Cantrall, IL
- Average sunshine days in September: 18.1 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is May (11.6 days).
Average UV index in September
Cantrall, IL
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Cantrall, IL
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are June, August and September (Cloud cover 30).
Average visibility in September
Cantrall, IL
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).





