September weather forecastShannon, GA
September
Weather in September
September, the first month of the autumn in Shannon, is also a moderately hot month, with an average temperature varying between 62.4°F (16.9°C) and 82.9°F (28.3°C).Temperature
The arrival of September correlates with a minor temperature reduction, down from August's tropical 88.5°F (31.4°C) to a warm 82.9°F (28.3°C). Shannon observes an average low-temperature of 62.4°F (16.9°C) during September nights.Heat index
Throughout September, the heat index is computed to be a hot 89.6°F (32°C). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.Realize that the values for the heat index are set for shaded places and light winds. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'real feel' or 'feels like', is achieved by amalgamating air temperature with the relative humidity readings. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humidity
In September, the average relative humidity is 75%.Rainfall
In Shannon, in September, during 14.3 rainfall days, 2.76" (70mm) of precipitation is typically accumulated. In Shannon, during the entire year, the rain falls for 184.4 days and collects up to 43.54" (1106mm) of precipitation.Snowfall
In Shannon, snow does not fall in April through October.Daylight
In September, the average length of the day in Shannon is 12h and 23min.On the first day of September in Shannon, sunrise is at 7:14 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 7:25 pm EDT.
Sunshine
In September, the average sunshine is 8.5h.UV index
In Shannon, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high UV index of 5 in September translates into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. 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
Average temperature in September
Shannon, GA
- Average high temperature in September: 82.9°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in September: 62.4°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (32.7°F).
Average pressure in September
Shannon, GA
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
Shannon, GA
- Average wind speed in September: 4.3mph
The windiest month (with the highest average wind speed) is February (7.2mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in September
Shannon, GA
- Average humidity in September: 75%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Shannon, GA
- Average rainfall in September: 2.76"
The wettest month (with the highest rainfall) is February (4.06").
The driest month (with the least rainfall) is October (2.68").
Average rainfall days in September
Shannon, GA
- Average rainfall days in September: 14.3 days
The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is November (9.6 days).
Average snowfall in September
Shannon, GA
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.02").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Shannon, GA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.7 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
Shannon, GA
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in September
Shannon, GA
- Average sunshine days in September: 13.7 days
The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in September
Shannon, GA
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Shannon, GA
- Average cloud cover in September: 31
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
Shannon, GA
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
