September weather forecastKell, IL
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Kell, Illinois, with an average temperature varying between 78.3°F (25.7°C) and 59.7°F (15.4°C).Temperature
The transition into September reveals an average high-temperature of a still warm 78.3°F (25.7°C), mirroring a close resemblance to August. Throughout the September nights, Kell encounters a low-temperature of 59.7°F (15.4°C).Humidity
In September, the average relative humidity is 75%.Rainfall
In September, the rain falls for 9.4 days. Throughout September, 0.83" (21mm) of precipitation is accumulated. In Kell, during the entire year, the rain falls for 123.2 days and collects up to 15.08" (383mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Kell, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:25 am and sunset at 7:25 pm. On the last day of September, sunrise is at 6:51 am and sunset at 6:39 pm CDT.
Sunshine
In September, the average sunshine is 9.2h.UV index
The average daily maximum UV index in September 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 daily UV index of 5 during September translates into the following directions:
Act with care - The suggestion to avoid sunburn is emphasized. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kell, IL
- Average high temperature in September: 78.3°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in September: 59.7°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in September
Kell, IL
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Kell, IL
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in September
Kell, IL
- Average humidity in September: 75%
The months with the highest relative humidity are May, July and August (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Kell, IL
- Average rainfall in September: 0.83"
The wettest month (with the highest rainfall) is April (2.01").
The driest month (with the least rainfall) is February (0.71").
Average rainfall days in September
Kell, IL
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in September
Kell, IL
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.63").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Kell, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.1 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
Kell, IL
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 9h and 12min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in September
Kell, IL
- Average sunshine days in September: 18.4 days
The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in September
Kell, IL
- Average UV index in September: 5
The months with the highest UV index are May, 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
Kell, IL
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in September
Kell, IL
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





