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
Western Springs experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from 80.6°F (27°C) in August to a still moderately hot 74.1°F (23.4°C). An average low-temperature of 58.6°F (14.8°C) is recorded during the nights in September in Western Springs.Humidity
The average relative humidity in September is 75%.Rainfall
In Western Springs, Illinois, during September, the rain falls for 15 days and regularly aggregates up to 2.68" (68mm) of precipitation. Throughout the year, in Western Springs, there are 166.8 rainfall days, and 34.96" (888mm) of precipitation is accumulated.Snowfall
In Western Springs, snow does not fall in May through September.Daylight
In September, the average length of the day in Western Springs is 12h and 28min.On the first day of September in Western Springs, sunrise is at 6:18 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 Western Springs, the average sunshine in September is 8.9h.UV index
In Western Springs, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 4 suggests these recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Enhance your sun protection with tightly woven, yet airy clothing.
Frequently asked questions
What is the usual temperature for Western Springs in September?
What is the average humidity in September in Western Springs?
How many days does it rain in September in Western Springs?
When it does not snow in Western Springs?
Does it snow in Western Springs in September?
How many hours of daylight does Western Springs have in September?
When is the sunrise / sunset in September in Western Springs?
How long on average sun shines in September in Western Springs?
How high is the UV index in September in Western Springs?
Average temperature in September
Western Springs, IL
- Average high temperature in September: 74.1°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in September: 58.6°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in September
Western Springs, 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
Western Springs, IL
- Average wind speed in September: 7.4mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in September
Western Springs, IL
- Average humidity in September: 75%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Western Springs, IL
- Average rainfall in September: 2.68"
The wettest month (with the highest rainfall) is May (4.61").
The driest months (with the least rainfall) are November and December (1.77").
Average rainfall days in September
Western Springs, IL
- Average rainfall days in September: 15 days
The month with the highest number of rainy days is June (19.4 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in September
Western Springs, IL
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Western Springs, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.3 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
Western Springs, 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 month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Western Springs, IL
- Average sunshine days in September: 11.9 days
The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is June (8.2 days).
Average UV index in September
Western Springs, IL
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Western Springs, IL
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Western Springs, IL
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Western Springs, Illinois, USA
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