September weather forecastOrangeville, IL
September
Weather in September
September, the first month of the autumn in Orangeville, is also an agreeable month, with temperature in the range of an average high of 71.6°F (22°C) and an average low of 52.9°F (11.6°C).Temperature
As Orangeville enters September, the average high-temperature subtly lowers from the a warm 77.5°F (25.3°C) of August to an agreeable 71.6°F (22°C). The average low-temperature of 52.9°F (11.6°C) is witnessed during September.Humidity
In September, the average relative humidity is 81%.Rainfall
In September, the rain falls for 12.7 days. Throughout September, 2.48" (63mm) of precipitation is accumulated. In Orangeville, during the entire year, the rain falls for 154.8 days and collects up to 31.18" (792mm) of precipitation.Snowfall
In Orangeville, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:24 am and sunset at 7:32 pm. On the last day of September, sunrise is at 6:55 am and sunset at 6:41 pm CDT.
Sunshine
In September, the average sunshine is 8.8h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 4 during September translates into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. 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
Orangeville, IL
- Average high temperature in September: 71.6°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 (24.6°F).
- Average low temperature in September: 52.9°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).
Average pressure in September
Orangeville, IL
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Orangeville, IL
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is April (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in September
Orangeville, IL
- Average humidity in September: 81%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (76%).
Average rainfall in September
Orangeville, IL
- Average rainfall in September: 2.48"
The wettest month (with the highest rainfall) is June (4.61").
The driest month (with the least rainfall) is January (1.5").
Average rainfall days in September
Orangeville, IL
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in September
Orangeville, IL
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.02").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Orangeville, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Orangeville, IL
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 48min
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 30min).
Average sunshine days in September
Orangeville, IL
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is June (8.6 days).
Average UV index in September
Orangeville, IL
- Average UV index in September: 4
The months with the highest UV index are May, 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
Orangeville, IL
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility in September
Orangeville, IL
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, July, August, September and December (5mi).





