September weather forecastMaquon, IL
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Maquon, Illinois, with an average temperature varying between 56.7°F (13.7°C) and 76.1°F (24.5°C).Temperature
Maquon, Illinois, records an average high-temperature of a still warm 76.1°F (24.5°C) in September, closely mirroring the climate of the previous month. In September, the temperature drops to an average of 56.7°F (13.7°C) at night.Humidity
In September, the average relative humidity in Maquon is 76%.Rainfall
In Maquon, during September, the rain falls for 9.5 days and regularly aggregates up to 1.22" (31mm) of precipitation. Throughout the year, there are 126 rainfall days, and 14.45" (367mm) of precipitation is accumulated.Snowfall
In Maquon, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 27min.On the first day of September, sunrise is at 6:28 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:43 pm CDT.
Sunshine
In Maquon, the average sunshine in September is 9.3h.UV index
In September, the average daily maximum UV index in Maquon is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: In September, a daily UV index of 4 turns into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Direct Sun exposure should be minimized especially during midday when radiation is most intense. 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
Maquon, IL
- Average high temperature in September: 76.1°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in September: 56.7°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 (17.8°F).
Average pressure in September
Maquon, IL
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Maquon, IL
- Average wind speed in September: 7.8mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in September
Maquon, IL
- Average humidity in September: 76%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Maquon, IL
- Average rainfall in September: 1.22"
The wettest month (with the highest rainfall) is May (2.2").
The driest months (with the least rainfall) are January and December (0.59").
Average rainfall days in September
Maquon, IL
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in September
Maquon, IL
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.26").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Maquon, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.3 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
Maquon, 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 18min).
- Average sunshine in September: 9h and 18min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Maquon, IL
- Average sunshine days in September: 18.5 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.2 days).
Average UV index in September
Maquon, IL
- Average UV index in September: 4
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
Maquon, IL
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in September
Maquon, IL
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).





