September weather forecastBuckley, IL
September
Weather in September
The first month of the autumn, September, is still a warm month in Buckley, Illinois, with temperature in the range of an average high of 75.7°F (24.3°C) and an average low of 57.4°F (14.1°C).Temperature
At the onset of September, Buckley records an average high-temperature of a still warm 75.7°F (24.3°C), showing little deviation from the preceding month. Buckley records a consistent low-temperature of 57.4°F (14.1°C) during September nights.Humidity
In September, the average relative humidity is 77%.Rainfall
In September, the rain falls for 11.7 days. Throughout September, 1.38" (35mm) of precipitation is accumulated. Throughout the year, there are 139.8 rainfall days, and 22.05" (560mm) of precipitation is accumulated.Snowfall
In Buckley, snow does not fall in May through October.Daylight
In Buckley, the average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 6:20 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:35 pm CDT.
Sunshine
In September, the average sunshine in Buckley is 8.7h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Buckley, IL
- Average high temperature in September: 75.7°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in September: 57.4°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in September
Buckley, IL
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Buckley, IL
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in September
Buckley, IL
- Average humidity in September: 77%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Buckley, IL
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is May (2.91").
The driest months (with the least rainfall) are February and December (1.14").
Average rainfall days in September
Buckley, IL
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in September
Buckley, IL
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.83").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Buckley, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.4 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
Buckley, 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: 8h and 42min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Buckley, IL
- Average sunshine days in September: 16 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in September
Buckley, IL
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Buckley, IL
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility in September
Buckley, 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).
