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 September begins, there is a minor decrease in the average high-temperature, softly falling from a warm 79.2°F (26.2°C) in August to an agreeable 72.3°F (22.4°C). Park Ridge experiences an average low-temperature of 59.9°F (15.5°C) in month of September.Humidity
In Park Ridge, the average relative humidity in September is 74%.Rainfall
In Park Ridge, in September, during 9.4 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. In Park Ridge, during the entire year, the rain falls for 98.2 days and collects up to 7.36" (187mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Park Ridge, the average length of the day in September is 12h and 28min.On the first day of September in Park Ridge, sunrise is at 6:17 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:34 pm CDT.
Sunshine
In Park Ridge, Illinois, the average sunshine in September is 8.9h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: A maximum UV index of 4 in September translates into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
What are September temperatures in Park Ridge?
What is the average humidity in September in Park Ridge?
How much does it rain in Park Ridge in September?
When it does not snow in Park Ridge?
Does it snow in Park Ridge in September?
What is the average length of the day in September in Park Ridge?
When is the sunrise / sunset in September in Park Ridge?
How many hours of sunshine does Park Ridge have in September?
What is the UV index intensity in September in Park Ridge?
Average temperature in September
Park Ridge, 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 (28.8°F).
- Average low temperature in September: 59.9°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 (18.9°F).
Average pressure in September
Park Ridge, 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
Park Ridge, IL
- Average wind speed in September: 8.3mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in September
Park Ridge, 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
Park Ridge, IL
- Average rainfall in September: 0.67"
The wettest month (with the highest rainfall) is May (1.06").
The driest month (with the least rainfall) is December (0.31").
Average rainfall days in September
Park Ridge, IL
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is May (12.3 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in September
Park Ridge, IL
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Park Ridge, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Park Ridge, 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: 8h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Park Ridge, IL
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is December (23.3 days).
The month with the least sunshine days is June (14.7 days).
Average UV index in September
Park Ridge, 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
Park Ridge, IL
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in September
Park Ridge, 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).
Park Ridge, Illinois, USA
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