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 onset records a minor alteration in the average high-temperature to a still warm 75°F (23.9°C) from August's 79.7°F (26.5°C). Farm Ridge experiences a steady low-temperature of 56.5°F (13.6°C) throughout September.Humidity
The average relative humidity in September is 77%.Rainfall
In September, the rain falls for 12.1 days. Throughout September, 1.85" (47mm) of precipitation is accumulated. Throughout the year, there are 145 rainfall days, and 25.08" (637mm) of precipitation is accumulated.Snowfall
In Farm Ridge, snow does not fall in May through September.Daylight
The average length of the day in September in Farm Ridge is 12h and 28min.On the first day of September, sunrise is at 6:22 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:38 pm CDT.
Sunshine
The average sunshine in September is 8.9h.UV index
In Farm Ridge, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in Farm Ridge in September?
How many hours of daylight does Farm Ridge have in September?
What time are sunrise and sunset in September in Farm Ridge?
How many hours of sunshine does Farm Ridge have in September?
How high is the UV index in September?
Average temperature in September
Farm Ridge, IL
- Average high temperature in September: 75°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in September: 56.5°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in September
Farm Ridge, IL
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Farm Ridge, IL
- Average wind speed in September: 7.4mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in September
Farm Ridge, IL
- Average humidity in September: 77%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Farm Ridge, IL
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is December (1.18").
Average rainfall days in September
Farm Ridge, IL
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in September
Farm Ridge, IL
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Farm Ridge, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.8 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
Farm Ridge, IL
- Average daylight in September: 12h and 3min
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 18min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Farm Ridge, IL
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is July (9.2 days).
Average UV index in September
Farm Ridge, IL
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Farm Ridge, IL
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility in September
Farm Ridge, 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).
Farm Ridge, Illinois, USA
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