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
The shift to September signals an average high-temperature of a still warm 77.7°F (25.4°C), subtly varied from August's 82.4°F (28°C). Nightly temperatures in Chandlerville, Illinois, drop to an average low of 58.6°F (14.8°C) in September.Humidity
In Chandlerville, the average relative humidity in September is 75%.Rainfall
In September, in Chandlerville, the rain falls for 12.3 days. Throughout September, 2.95" (75mm) of precipitation is accumulated. Throughout the year, in Chandlerville, Illinois, there are 155 rainfall days, and 31.73" (806mm) of precipitation is accumulated.Snowfall
In Chandlerville, snow does not fall in May through September.Daylight
The average length of the day in September in Chandlerville, Illinois, is 12h and 26min.On the first day of September in Chandlerville, sunrise is at 6:29 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:44 pm CDT.
Sunshine
In Chandlerville, the average sunshine in September is 9.4h.UV index
The average daily maximum UV index in September in Chandlerville, Illinois, 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 average person.Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Frequently asked questions
What is the usual temperature for Chandlerville in September?
What is the average humidity in September in Chandlerville?
How much does it rain in Chandlerville in September?
When it does not snow in Chandlerville?
Does it snow in Chandlerville in September?
What is the average length of the day in September in Chandlerville?
What time are sunrise and sunset in September in Chandlerville?
How long on average sun shines in September in Chandlerville?
What is the UV index reading in September in Chandlerville?
Average temperature in September
Chandlerville, IL
- Average high temperature in September: 77.7°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in September: 58.6°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in September
Chandlerville, IL
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Chandlerville, IL
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in September
Chandlerville, IL
- Average humidity in September: 75%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Chandlerville, IL
- Average rainfall in September: 2.95"
The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is December (1.57").
Average rainfall days in September
Chandlerville, IL
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is February (6.6 days).
Average snowfall in September
Chandlerville, IL
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.9").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Chandlerville, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10 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
Chandlerville, IL
- Average daylight in September: 12h and 2min
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 24min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in September
Chandlerville, IL
- Average sunshine days in September: 15.1 days
The months with the most sunshine days are November and December (18.6 days).
The month with the least sunshine days is June (8.3 days).
Average UV index in September
Chandlerville, IL
- Average UV index in September: 5
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
Chandlerville, IL
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are June, July, August and September (Cloud cover 30).
Average visibility in September
Chandlerville, IL
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Chandlerville, Illinois, USA
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