Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September brings a slight decrease in temperature, down from a moderately hot 78.1°F (25.6°C) in August to an agreeable 72.5°F (22.5°C). McConnell's average low-temperature during September nights is observed to be a fresh 53.4°F (11.9°C).Humidity
In McConnell, the average relative humidity in September is 80%.Rainfall
In McConnell, during September, the rain falls for 11.6 days and regularly aggregates up to 1.69" (43mm) of precipitation. In McConnell, during the entire year, the rain falls for 145.9 days and collects up to 22.8" (579mm) of precipitation.Snowfall
May through September are months without snowfall in McConnell.Daylight
In September, the average length of the day 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 McConnell, the average sunshine in September is 8.9h.UV index
In McConnell, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: An average maximum UV index of 4 in September leads to these recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Frequently asked questions
What is the usual temperature for McConnell in September?
What is the average humidity in September in McConnell?
How much does it rain in McConnell in September?
When it does not snow in McConnell?
Does it snow in McConnell in September?
How many hours of daylight does McConnell have in September?
When is the sunrise / sunset in September in McConnell?
How many hours of sunshine does McConnell have in September?
What is the UV index intensity in September in McConnell?
Average temperature in September
McConnell, IL
- Average high temperature in September: 72.5°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 (24.8°F).
- Average low temperature in September: 53.4°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure in September
McConnell, 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
McConnell, IL
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in September
McConnell, IL
- Average humidity in September: 80%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (76%).
Average rainfall in September
McConnell, IL
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in September
McConnell, IL
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is May (18.3 days).
The months with the least rainy days are January and February (5.3 days).
Average snowfall in September
McConnell, IL
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
McConnell, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
McConnell, IL
- Average daylight in September: 12h and 3min
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 5min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
McConnell, IL
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in September
McConnell, 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 and December (UV index 1).
Average cloud cover in September
McConnell, IL
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility in September
McConnell, IL
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
McConnell, Illinois, USA
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