September weather forecastEleroy, IL
September
Weather in September
September, the first month of the autumn in Eleroy, is still a pleasant month, with an average temperature ranging between min 53.4°F (11.9°C) and max 72.5°F (22.5°C).Temperature
In Eleroy, the average high-temperature in September gently drops from a moderately hot 78.1°F (25.6°C) in August to a pleasant 72.5°F (22.5°C). An average low-temperature of 53.4°F (11.9°C) marks the month of September.Humidity
The average relative humidity in September is 80%.Rainfall
In Eleroy, in September, it is raining for 11.6 days, with typically 1.69" (43mm) of accumulated precipitation. Throughout the year, there are 145.9 rainfall days, and 22.8" (579mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In Eleroy, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:25 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 Eleroy, the average sunshine in September is 8.9h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A typical high UV index of 4 in September suggests the following recommendations:
Make use of precautions - It is urged to ward off sun damage. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Eleroy, 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
Eleroy, 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
Eleroy, 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
Eleroy, 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
Eleroy, 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
Eleroy, 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
Eleroy, 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
Eleroy, 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
Eleroy, IL
- Average daylight in September: 12h and 30min
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 54min
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
Eleroy, 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
Eleroy, 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
Eleroy, 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
Eleroy, 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).
