September weather forecastMableton, GA
September
Weather in September
The first month of the autumn, September, is still a warm month in Mableton, Georgia, with an average temperature ranging between max 84.2°F (29°C) and min 65.3°F (18.5°C).Temperature
September's arrival brings an average high-temperature of a warm 84.2°F (29°C), slightly deviating from August's 89.1°F (31.7°C). Throughout the month of September, Mableton witnesses an average low-temperature of 65.3°F (18.5°C).Heat index
Throughout September, the heat index is calculated to be a tropical 91.4°F (33°C). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.Consider that heat index readings are for situations in the shade and light wind. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', joins air temperature with relative humidity to produce a temperature perception for humans. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Humidity
In Mableton, Georgia, the average relative humidity in September is 70%.Rainfall
In September, the rain falls for 11.7 days. Throughout September, 1.61" (41mm) of precipitation is accumulated. Throughout the year, in Mableton, there are 159.5 rainfall days, and 23.82" (605mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 7:12 am and sunset at 8:03 pm. On the last day of September, in Mableton, sunrise is at 7:32 am and sunset at 7:23 pm EDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: An average maximum UV index of 5 in September leads to these recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mableton, GA
- Average high temperature in September: 84.2°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (50.2°F).
- Average low temperature in September: 65.3°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (34.5°F).
Average pressure in September
Mableton, GA
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
Mableton, GA
- Average wind speed in September: 4.9mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in September
Mableton, GA
- Average humidity in September: 70%
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are July and August (69%).
Average rainfall in September
Mableton, GA
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is August (3.78").
The driest month (with the least rainfall) is October (1.26").
Average rainfall days in September
Mableton, GA
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is October (8.8 days).
Average snowfall in September
Mableton, GA
- Average snowfall in September: 0"
The months with the highest snowfall are January and December (0.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Mableton, GA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (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
Mableton, 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 36min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in September
Mableton, GA
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is October (20.9 days).
The month with the least sunshine days is July (10 days).
Average UV index in September
Mableton, GA
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Mableton, GA
- Average cloud cover in September: 32
The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
Mableton, GA
- 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).





