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
September's average high-temperature is a still warm 78.4°F (25.8°C), maintaining a close comparison with August's 83.3°F (28.5°C). The average temperature during September nights dips to a moderate 58.1°F (14.5°C).Humidity
In Wiley, Georgia, the average relative humidity in September is 77%.Rainfall
The month with the least rainfall is September, when the rain falls for 15.5 days and typically collects 2.83" (72mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 7:07 am and sunset at 7:59 pm. On the last day of September, sunrise is at 7:28 am and sunset at 7:18 pm EDT.
Sunshine
The average sunshine in September is 8.4h.UV index
In Wiley, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 5 during September translates into these guidelines:
Take precautions - Protection against sunburn is recommended. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Wiley have in September?
What is the UV index intensity in September?
Average temperature in September
Wiley, GA
- Average high temperature in September: 78.4°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (45.3°F).
- Average low temperature in September: 58.1°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in September
Wiley, GA
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
Wiley, GA
- Average wind speed in September: 3.9mph
The windiest months (with the highest average wind speed) are February and April (5.8mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in September
Wiley, GA
- Average humidity in September: 77%
The months with the highest relative humidity are February, May and December (79%).
The months with the lowest relative humidity are January and November (75%).
Average rainfall in September
Wiley, GA
- Average rainfall in September: 2.83"
The wettest month (with the highest rainfall) is December (5").
The driest month (with the least rainfall) is September (2.83").
Average rainfall days in September
Wiley, GA
- Average rainfall days in September: 15.5 days
The month with the highest number of rainy days is July (22.1 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in September
Wiley, GA
- Average snowfall in September: 0"
The month with the highest snowfall is December (3.54").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Wiley, GA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Wiley, GA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in September
Wiley, GA
- Average sunshine days in September: 11.4 days
The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is July (6.8 days).
Average UV index in September
Wiley, GA
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Wiley, GA
- Average cloud cover in September: 35
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in September
Wiley, GA
- Average visibility in September: 5mi
The months with the highest visibility are June and July (6mi).
The months with the lowest visibility are January, February, March, April, May, August, September, October, November and December (5mi).
Wiley, Georgia, USA
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