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
Orland Park's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's warm 80.2°F (26.8°C) to a still moderately hot 73.9°F (23.3°C). An average low-temperature of 58.1°F (14.5°C) is anticipated throughout the nights in Orland Park during September.Humidity
In September, the average relative humidity is 76%.Rainfall
In Orland Park, in September, during 13.8 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. In Orland Park, during the entire year, the rain falls for 146.9 days and collects up to 23.11" (587mm) of precipitation.Snowfall
In Orland Park, snow does not fall in May through September.Daylight
In September, the average length of the day in Orland Park is 12h and 28min.On the first day of September in Orland Park, sunrise is at 6:18 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:34 pm CDT.
Sunshine
In Orland Park, the average sunshine in September is 8.8h.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 radiation for the average person.Note: A daily high UV index of 4 in September leads to these guidelines:
Undertake protective steps - Preventing sun damage is advised. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Orland Park?
What is the average humidity in September in Orland Park?
How much does it rain in Orland Park in September?
When it does not snow in Orland Park?
Does it snow in Orland Park in September?
How many hours of daylight does Orland Park have in September?
When are sunrise and sunset in September in Orland Park?
How many hours of sunshine does Orland Park have in September?
What is the UV index intensity in September in Orland Park?
Average temperature in September
Orland Park, IL
- Average high temperature in September: 73.9°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (29.1°F).
- Average low temperature in September: 58.1°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in September
Orland Park, 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
Orland Park, IL
- Average wind speed in September: 7.3mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in September
Orland Park, IL
- Average humidity in September: 76%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Orland Park, IL
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is December (1.06").
Average rainfall days in September
Orland Park, IL
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in September
Orland Park, IL
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.87").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Orland Park, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.8 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
Orland Park, IL
- Average daylight in September: 12h and 3min
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 12min).
- Average sunshine in September: 8h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Orland Park, IL
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in September
Orland Park, IL
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Orland Park, 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 30).
Average visibility in September
Orland Park, 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).
Orland Park, Illinois, USA
Weather forecast for your location
2. Allow the app to use your location