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 onset records an average high-temperature of a still tropical 86.5°F (30.3°C), a near match to August's 91.4°F (33°C). Fortson reports a consistent average low-temperature of 68°F (20°C) throughout September nights.Heat index
During September, the heat index is calculated to be a sweltering 96.8°F (36°C). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.It is crucial to understand that heat index figures are for shade and gentle wind conditions. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is found by incorporating humidity levels into the air temperature measurement. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Evaporating sweat, thanks to perspiration, acts as a natural air conditioner for the human body. In high relative humidity, the body's ability to evaporate heat is diminished, resulting in a heightened feeling of warmth. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.
Humidity
In September, the average relative humidity is 69%.Rainfall
September is the month with the least rainfall. Rain falls for 12.3 days and accumulates 1.5" (38mm) of precipitation.Snowfall
In Fortson, Georgia, snow does not fall in April through November.Daylight
In Fortson, Georgia, the average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 7:15 am and sunset at 8:03 pm. On the last day of September, sunrise is at 7:33 am and sunset at 7:25 pm EDT.
Sunshine
In Fortson, Georgia, the average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In September, a daily maximum UV index of 6 leads to the following instructions:
Fend off overexposure. Sun protection is vital. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Frequently asked questions
Is it hot in Fortson during September?
What is the average humidity in September in Fortson?
What is the driest month in Fortson?
How much does it rain in Fortson in September?
When it does not snow in Fortson?
What is the average length of the day in September in Fortson?
When are sunrise and sunset in September in Fortson?
How long on average sun shines in September in Fortson?
What is the UV index reading in September in Fortson?
Average temperature in September
Fortson, GA
- Average high temperature in September: 86.5°F
The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is January (54.9°F).
- Average low temperature in September: 68°F
The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).
Average pressure in September
Fortson, GA
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Fortson, GA
- Average wind speed in September: 5.4mph
The windiest months (with the highest average wind speed) are January and February (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in September
Fortson, GA
- Average humidity in September: 69%
The month with the highest relative humidity is December (75%).
The months with the lowest relative humidity are April and October (68%).
Average rainfall in September
Fortson, GA
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is August (3.27").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in September
Fortson, GA
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is August (20.2 days).
The month with the least rainy days is November (7.4 days).
Average snowfall in September
Fortson, GA
- Average snowfall in September: 0"
The month with the highest snowfall is March (0.2").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Fortson, GA
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January, February, March and December (0.2 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Fortson, GA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 8h and 4min
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 6min).
Average sunshine days in September
Fortson, GA
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is October (22.3 days).
The month with the least sunshine days is August (8.6 days).
Average UV index in September
Fortson, GA
- Average UV index in September: 6
The months with the highest UV index are May, June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
Fortson, GA
- Average cloud cover in September: 31
The month with the most cloud cover is December (Cloud cover 45).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in September
Fortson, 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).
Fortson, Georgia, USA
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