September weather forecast and climate
Folkston, GA

September, the first month of the autumn, in Folkston, is also a hot month, with average temperature ranging between min 70.7°F (21.5°C) and max 87.6°F (30.9°C).

Temperature

In September, the average high-temperature is practically the same as in August - a still tropical 87.6°F (30.9°C). The average low-temperature, in September, is 70.7°F (21.5°C).

Heat index

The average heat index is appraised at a very hot 103.1°F (39.5°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'real feel', 'felt air temperature', or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional factors like activity, differences in body mass, height, and shape, wind, and metabolic differences affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

The average relative humidity in September is 77%.

Rainfall

In Folkston, in September, during 15.2 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. Throughout the year, there are 155.2 rainfall days, and 22.76" (578mm) of precipitation is accumulated.

Snowfall

In Folkston snow does not fall in March through November.

Daylight

The average length of the day in Folkston is 12.3h.

Sunshine

The average sunshine in Folkston is 8.3h.

UV index

In Folkston, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high threat to health from the exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in September in Folkston?

In September, the average high-temperature is 87.6°F (30.9°C), and the average low-temperature is 70.7°F (21.5°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), that represents influence of the relative humidity to air temperaure, in September is estimated at 103.1°F (39.5°C).

What is the average humidity in September in Folkston?

The average relative humidity in September in Folkston, Georgia, is 77%.

How much does it rain in Folkston in September?

In Folkston, Georgia, during September, the rain falls for 15.2 days and regularly aggregates up to 1.89" (48mm) of precipitation.

When it does not snow in Folkston?

March through November are months without snowfall in Folkston, Georgia.

How many hours of daylight does Folkston have in September?

In September, the average length of the day in Folkston is 12.3h.

How long on average sun shines in September in Folkston?

In September, the average sunshine is 8.3h.

What is the UV index intensity in September in Folkston?

In September, the average daily maximum UV index in Folkston is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV rays.
Average temperature in September - Folkston, GA
  • Average high temperature in September: 87.6°F

The warmest month (with the highest average high temperature) is July (92.3°F).
The month with the lowest average high temperature is January (61.3°F).

  • Average low temperature in September: 70.7°F

The month with the highest average low temperature is August (74.7°F).
The coldest month (with the lowest average low temperature) is January (43.3°F).

Average pressure in September - Folkston, GA
  • Average pressure in September: 29.98"

The month with the highest atmospheric pressure is January (30.15").
Months with the lowest atmospheric pressure are June, August and September (29.98").

Average wind speed in September - Folkston, GA
  • Average wind speed in September: 4.5mph

The windiest month (with the highest average wind speed) is April (5.6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in September - Folkston, GA
  • Average humidity in September: 77%

The month with the highest relative humidity is December (78%).
Months with the lowest relative humidity are March and April (71%).

Average rainfall in September - Folkston, GA
  • Average rainfall in September: 1.89"

The wettest month (with the highest rainfall) is August (3.58").
The driest months (with the least rainfall) are January and November (0.98").

Average rainfall days in September - Folkston, GA
  • Average rainfall days in September: 15.2 days

The month with the highest number of rainy days is August (21.8 days).
The month with the least rainy days is November (7.6 days).

Average snowfall days in September - Folkston, GA
  • Average snowfall days in September: 0 days

Months with the highest number of snowfall days are January, February and December (0.1 days).
Months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

Average daylight in September / Average sunshine in September - Folkston, GA
  • Average daylight in September: 12.3h

The month with the longest days is June (Average daylight: 14.1h).
The month with the shortest days is December (Average daylight: 10.2h).

  • Average sunshine in September: 8.3h

The month with the most sunshine is July (Average sunshine: 10.5h).
The month with the least sunshine is December (Average sunshine: 5.6h).

Average sunshine days in September - Folkston, GA
  • Average sunshine days in September: 12.2 days

The month with the most sunshine days is March (20.7 days).
The month with the least sunshine days is August (6.3 days).

Average UV index in September - Folkston, GA
  • Average UV index in September: 6

Months with the highest UV index are May, June and July (UV index 7).
The month with the lowest UV index is January (UV index 3).

Average cloud cover in September - Folkston, GA
  • Average cloud cover in September: 37

The month with the most cloud cover is December (Cloud cover 45).
Months with the least cloud cover are July and October (Cloud cover 33).

Average visibility in September - Folkston, GA
  • Average visibility in September: 5mi

Months with the highest visibility are January, March, April, June and July (6mi).
Months with the lowest visibility are February, May, August, September, October, November and December (5mi).