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
September's climate shows a minor adjustment in average high-temperatures to a still moderately hot 76.5°F (24.7°C) from August's 81.1°F (27.3°C). September generally records an average low-temperature of 58.3°F (14.6°C).Humidity
The average relative humidity in September is 76%.Rainfall
The month with the least rainfall in Sloan Station is September, when the rain falls for 11.5 days and typically collects 1.18" (30mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 26min.On the first day of September, sunrise is at 6:22 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:37 pm CDT.
Sunshine
The average sunshine in September is 8.9h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The daily maximum UV index of 5 in September interprets into the following advice:
Take necessary precautions - Suggestions to elude sunburn are provided. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September in Sloan Station?
What is the driest month?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September in Sloan Station?
What is the UV index reading in September?
Average temperature in September
Sloan Station, IL
- Average high temperature in September: 76.5°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in September: 58.3°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in September
Sloan Station, 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
Sloan Station, IL
- Average wind speed in September: 7.3mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.4mph).
Average humidity in September
Sloan Station, 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 (70%).
Average rainfall in September
Sloan Station, IL
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is May (2.8").
The driest month (with the least rainfall) is September (1.18").
Average rainfall days in September
Sloan Station, IL
- Average rainfall days in September: 11.5 days
The months with the highest number of rainy days are May and July (16.8 days).
The month with the least rainy days is February (6.2 days).
Average snowfall in September
Sloan Station, IL
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.56").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Sloan Station, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.4 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
Sloan Station, IL
- Average daylight in September: 12h and 2min
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 24min).
- Average sunshine in September: 8h and 5min
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
Sloan Station, IL
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in September
Sloan Station, IL
- Average UV index in September: 5
The months with the highest UV index are 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
Sloan Station, IL
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are June, August and September (Cloud cover 32).
Average visibility in September
Sloan Station, 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).
Sloan Station, Illinois, USA
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