September weather forecastEllsworth, IL
September
Weather in September
The first month of the autumn, September, is still a warm month in Ellsworth, Illinois, with an average temperature varying between 75.9°F (24.4°C) and 57.9°F (14.4°C).Temperature
Ellsworth's transition from August to September introduces an average high-temperature of a still moderately hot 75.9°F (24.4°C), marking an insignificant variation from the 79.9°F (26.6°C). September nights are marked by an average temperature drop to a refreshing 57.9°F (14.4°C).Humidity
In Ellsworth, the average relative humidity in September is 76%.Rainfall
In September, the rain falls for 11.6 days. Throughout September, 1.38" (35mm) of precipitation is accumulated. Throughout the year, there are 139 rainfall days, and 20.83" (529mm) of precipitation is accumulated.Snowfall
In Ellsworth, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 6:22 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:38 pm CDT.
Sunshine
In September, the average sunshine is 9h.UV index
In Ellsworth, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. To guard against the harmful effects of the Sun, minimize exposure during midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ellsworth, IL
- Average high temperature in September: 75.9°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in September: 57.9°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in September
Ellsworth, IL
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Ellsworth, IL
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is January (11mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in September
Ellsworth, IL
- Average humidity in September: 76%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Ellsworth, IL
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is December (1.1").
Average rainfall days in September
Ellsworth, IL
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in September
Ellsworth, IL
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.8").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Ellsworth, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.8 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
Ellsworth, IL
- Average daylight in September: 12h and 24min
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 18min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Ellsworth, IL
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in September
Ellsworth, IL
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Ellsworth, IL
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in September
Ellsworth, IL
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
