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
An average high-temperature of a still warm 75.4°F (24.1°C) marks September, exhibiting a close resemblance to the conditions in August. September nights experience a consistent temperature drop to a moderate 57.2°F (14°C).Humidity
The average relative humidity in September in Powley Corners is 77%.Rainfall
In September, the rain falls for 12.2 days. Throughout September, 1.89" (48mm) of precipitation is accumulated. Throughout the year, there are 156 rainfall days, and 30.83" (783mm) of precipitation is accumulated.Snowfall
In Powley Corners, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:18 am and sunset at 7:21 pm. On the last day of September, sunrise is at 6:46 am and sunset at 6:33 pm CDT.
Sunshine
In Powley Corners, the average sunshine in September is 8.5h.UV index
In Powley Corners, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 5 in September transforms into this advice:
Guard yourself - Precautionary measures against sun damage are advocated. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How much does it rain in Powley Corners in September?
When it does not snow?
How many hours of daylight does Powley Corners have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Powley Corners have in September?
What is the UV index intensity in September?
Average temperature in September
Powley Corners, IL
- Average high temperature in September: 75.4°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in September: 57.2°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in September
Powley Corners, IL
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Powley Corners, IL
- Average wind speed in September: 7.3mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in September
Powley Corners, IL
- Average humidity in September: 77%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Powley Corners, IL
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is May (4.06").
The driest month (with the least rainfall) is December (1.73").
Average rainfall days in September
Powley Corners, IL
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in September
Powley Corners, IL
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.06").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Powley Corners, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.8 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
Powley Corners, IL
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Powley Corners, IL
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is May (10.3 days).
Average UV index in September
Powley Corners, IL
- Average UV index in September: 5
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
Powley Corners, IL
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in September
Powley Corners, IL
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Powley Corners, Illinois, USA
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