September weather forecastEast Hazel Crest, IL
September
Weather in September
September, the first month of the autumn in East Hazel Crest, is still a warm month, with an average temperature fluctuating between 73.9°F (23.3°C) and 58.3°F (14.6°C).Temperature
In September, the meteorological conditions change slightly, with the average high-temperature moving from 80.1°F (26.7°C) in August to a still warm 73.9°F (23.3°C). East Hazel Crest's nighttime temperature in September falls to an average of 58.3°F (14.6°C).Humidity
The average relative humidity in September is 76%.Rainfall
In East Hazel Crest, in September, it is raining for 13.4 days, with typically 2.48" (63mm) of accumulated precipitation. Throughout the year, there are 155.6 rainfall days, and 31.3" (795mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In East Hazel Crest, Illinois, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:17 am and sunset at 7:23 pm. On the last day of September, in East Hazel Crest, sunrise is at 6:47 am and sunset at 6:33 pm CDT.
Sunshine
In East Hazel Crest, the average sunshine in September is 8.8h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 4 during September leads to these advisories:
Be vigilant - Preventing sunburn is recommended. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
East Hazel Crest, IL
- Average high temperature in September: 73.9°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in September: 58.3°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in September
East Hazel Crest, IL
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
East Hazel Crest, IL
- Average wind speed in September: 7.3mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in September
East Hazel Crest, IL
- Average humidity in September: 76%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
East Hazel Crest, IL
- Average rainfall in September: 2.48"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is December (1.54").
Average rainfall days in September
East Hazel Crest, IL
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (6.1 days).
Average snowfall in September
East Hazel Crest, IL
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.53").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
East Hazel Crest, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
East Hazel Crest, IL
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
East Hazel Crest, IL
- Average sunshine days in September: 14 days
The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is April (10.2 days).
Average UV index in September
East Hazel Crest, IL
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
East Hazel Crest, IL
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
East Hazel Crest, IL
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
