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
As August shifts into September in Skokie, a minor alteration in temperatures is observed, with average highs reducing from a moderately hot 77.7°F (25.4°C) to a pleasant 71.4°F (21.9°C). September nights are marked by an average low-temperature of 60.8°F (16°C).Humidity
In September, the average relative humidity in Skokie, Illinois, is 74%.Rainfall
In Skokie, in September, during 14.1 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. In Skokie, during the entire year, the rain falls for 146.5 days and collects up to 26.22" (666mm) of precipitation.Snowfall
May through September are months without snowfall in Skokie.Daylight
In Skokie, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:17 am and sunset at 7:24 pm. On the last day of September, in Skokie, sunrise is at 6:47 am and sunset at 6:33 pm CDT.
Sunshine
In September, the average sunshine is 9h.UV index
In Skokie, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A typical high UV index of 4 in September suggests the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Frequently asked questions
What is the usual temperature for Skokie in September?
What is the average humidity in September in Skokie?
How many days does it rain in September in Skokie?
When it does not snow in Skokie?
Does it snow in Skokie in September?
What is the average length of the day in September in Skokie?
What time are sunrise and sunset in September in Skokie?
How long on average sun shines in September in Skokie?
What is the UV index reading in September in Skokie?
Average temperature in September
Skokie, IL
- Average high temperature in September: 71.4°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in September: 60.8°F
The months with the highest average low temperature are July and August (67.6°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in September
Skokie, IL
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Skokie, IL
- Average wind speed in September: 9.3mph
The windiest month (with the highest average wind speed) is January (12.2mph).
The calmest months (with the lowest average wind speed) are July and August (7.7mph).
Average humidity in September
Skokie, 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
Skokie, IL
- Average rainfall in September: 2.4"
The wettest month (with the highest rainfall) is June (3.5").
The driest month (with the least rainfall) is December (0.94").
Average rainfall days in September
Skokie, IL
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is February (5.4 days).
Average snowfall in September
Skokie, IL
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.56").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Skokie, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.7 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
Skokie, 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 months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
Skokie, IL
- Average sunshine days in September: 12.9 days
The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in September
Skokie, 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
Skokie, IL
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in September
Skokie, 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).
Skokie, Illinois, USA
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