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
In September, the average high-temperature in Cicero marginally drops from a moderately hot 79°F (26.1°C) in August to a pleasant 72.3°F (22.4°C). September nights cool down to an average low-temperature of 60.4°F (15.8°C).Humidity
The average relative humidity in September in Cicero is 74%.Rainfall
In September, the rain falls for 11.2 days. Throughout September, 1.14" (29mm) of precipitation is accumulated. In Cicero, Illinois, during the entire year, the rain falls for 121.4 days and collects up to 11.85" (301mm) of precipitation.Snowfall
May through September are months without snowfall in Cicero.Daylight
In September, the average length of the day in Cicero is 12h and 28min.On the first day of the month, sunrise is at 6:17 am and sunset at 7:23 pm. On the last day of September, sunrise is at 6:47 am and sunset at 6:33 pm CDT.
Sunshine
The average sunshine in September in Cicero is 9h.UV index
In September, the average daily maximum UV index in Cicero is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum UV index of 4 in September translates into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Frequently asked questions
What are September temperatures in Cicero?
What is the average humidity in September in Cicero?
How many days does it rain in September in Cicero?
When it does not snow in Cicero?
Does it snow in Cicero in September?
What is the average length of the day in September in Cicero?
What time are sunrise and sunset in September in Cicero?
How long on average sun shines in September in Cicero?
What is the UV index reading in September in Cicero?
Average temperature in September
Cicero, IL
- Average high temperature in September: 72.3°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in September: 60.4°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure in September
Cicero, IL
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Cicero, IL
- Average wind speed in September: 8.3mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in September
Cicero, IL
- Average humidity in September: 74%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Cicero, IL
- Average rainfall in September: 1.14"
The wettest month (with the highest rainfall) is May (1.69").
The driest month (with the least rainfall) is December (0.47").
Average rainfall days in September
Cicero, IL
- Average rainfall days in September: 11.2 days
The month with the highest number of rainy days is July (14.7 days).
The month with the least rainy days is February (4 days).
Average snowfall in September
Cicero, IL
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.54").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Cicero, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.4 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
Cicero, IL
- Average daylight in September: 12h and 3min
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 12min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Cicero, IL
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is December (19.9 days).
The months with the least sunshine days are June and July (12.5 days).
Average UV index in September
Cicero, 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 and December (UV index 1).
Average cloud cover in September
Cicero, IL
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in September
Cicero, IL
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Cicero, Illinois, USA
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