September weather forecastCanton, IL
September
Weather in September
The first month of the autumn, September, is still a warm month in Canton, Illinois, with an average temperature ranging between min 57.4°F (14.1°C) and max 76.5°F (24.7°C).Temperature
The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's 81.9°F (27.7°C) to a still warm 76.5°F (24.7°C). Canton records an average low-temperature of 57.4°F (14.1°C) throughout the month of September.Humidity
In Canton, the average relative humidity in September is 76%.Rainfall
In Canton, during September, the rain falls for 8.5 days and regularly aggregates up to 0.87" (22mm) of precipitation. In Canton, during the entire year, the rain falls for 98 days and collects up to 8.86" (225mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Canton, the average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 6:28 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:43 pm CDT.
Sunshine
In Canton, Illinois, the average sunshine in September is 9.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: A maximum UV index of 4 in September translates into the following recommendations:
Exercise prevention - Warding off sunburn is urged. Around midday, solar radiation is most harmful; hence, exposure should be limited. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Canton, IL
- Average high temperature in September: 76.5°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in September: 57.4°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in September
Canton, IL
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Canton, IL
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in September
Canton, IL
- Average humidity in September: 76%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Canton, IL
- Average rainfall in September: 0.87"
The wettest month (with the highest rainfall) is May (1.3").
The driest months (with the least rainfall) are February and December (0.35").
Average rainfall days in September
Canton, IL
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is June (13.2 days).
The month with the least rainy days is January (3 days).
Average snowfall in September
Canton, IL
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Canton, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.4 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
Canton, 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 18min).
- Average sunshine in September: 9h and 18min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
Canton, IL
- Average sunshine days in September: 20.4 days
The month with the most sunshine days is January (23.6 days).
The month with the least sunshine days is June (14.4 days).
Average UV index in September
Canton, IL
- Average UV index in September: 4
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
Canton, IL
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in September
Canton, 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).





