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 start of September involves a subtle temperature drop, shifting from 83.8°F (28.8°C) in August to a still warm 78.1°F (25.6°C). Carlyle, during September, witnesses an average low-temperature of 59.9°F (15.5°C).Humidity
In September, the average relative humidity in Carlyle is 75%.Rainfall
In Carlyle, in September, during 9.8 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. In Carlyle, during the entire year, the rain falls for 120.1 days and collects up to 15.55" (395mm) of precipitation.Snowfall
In Carlyle, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 25min.On the first day of the month, sunrise is at 6:27 am and sunset at 7:27 pm. On the last day of September, sunrise is at 6:53 am and sunset at 6:41 pm CDT.
Sunshine
The average sunshine in September is 9.3h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: An average UV index of 5 in September transforms into this advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Carlyle have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Carlyle have in September?
What is the UV index reading in September?
Average temperature in September
Carlyle, IL
- Average high temperature in September: 78.1°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in September: 59.9°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).
Average pressure in September
Carlyle, IL
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Carlyle, IL
- Average wind speed in September: 6.3mph
The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).
Average humidity in September
Carlyle, IL
- Average humidity in September: 75%
The months with the highest relative humidity are May, July and August (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Carlyle, IL
- Average rainfall in September: 0.79"
The wettest month (with the highest rainfall) is June (2.01").
The driest month (with the least rainfall) is February (0.71").
Average rainfall days in September
Carlyle, IL
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in September
Carlyle, IL
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Carlyle, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Carlyle, IL
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in September
Carlyle, IL
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is December (22.5 days).
The month with the least sunshine days is June (13.8 days).
Average UV index in September
Carlyle, IL
- Average UV index in September: 5
The months with the highest UV index are May, 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
Carlyle, IL
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are June, July and August (Cloud cover 28).
Average visibility in September
Carlyle, 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).
Carlyle, Illinois, USA
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