September weather forecastHuey, IL
September
Weather in September
September, the first month of the autumn in Huey, is still a warm month, with an average temperature varying between 59.9°F (15.5°C) and 78.1°F (25.6°C).Temperature
September's arrival signals a moderate reduction in the average high-temperature, easing from 83.8°F (28.8°C) in August to a still warm 78.1°F (25.6°C). The average temperature during September nights dips to a mild 59.9°F (15.5°C).Humidity
In Huey, the average relative humidity in September is 75%.Rainfall
In Huey, in September, during 9.8 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. Throughout the year, in Huey, there are 120.1 rainfall days, and 15.55" (395mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September in Huey is 12h and 25min.On the first day of September in Huey, sunrise is at 6:27 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:41 pm CDT.
Sunshine
The average sunshine in September is 9.3h.UV index
In Huey, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: An average maximum UV index of 5 in September leads to these recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Huey, 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
Huey, 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
Huey, 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
Huey, 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
Huey, 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
Huey, 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
Huey, 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
Huey, 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
Huey, IL
- Average daylight in September: 12h and 24min
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 18min
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
Huey, 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
Huey, 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
Huey, 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
Huey, 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).





