September weather forecast
South Thompson, GA

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Weather in September

The first month of the autumn, September, is also a moderately hot month in South Thompson, Georgia, with an average temperature fluctuating between 85.1°F (29.5°C) and 68.4°F (20.2°C).

Temperature

South Thompson notes an average high-temperature of a moderately hot 85.1°F (29.5°C) in September, displaying minor variation from August. The average low-temperature during September nights is a pleasant 68.4°F (20.2°C).

Heat index

For September, the heat index is estimated at a torrid 95°F (35°C). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Perspiring is how the human body naturally cools down, as sweat's evaporation takes away excess heat. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

August, September and December, with an average relative humidity of 76%, are the most humid months.

Rainfall

In South Thompson, Georgia, in September, it is raining for 16.3 days, with typically 2.13" (54mm) of accumulated precipitation. Throughout the year, in South Thompson, there are 176.8 rainfall days, and 33.98" (863mm) of precipitation is accumulated.

Snowfall

March through December are months without snowfall.

Daylight

In South Thompson, the average length of the day in September is 12h and 21min.
On the first day of September, sunrise is at 7:05 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 7:15 pm EDT.

Sunshine

The average sunshine in September in South Thompson is 8.6h.

UV index

In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum high UV index of 6 in September translates into the following recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during September?

In South Thompson, in September, the average high-temperature is 85.1°F (29.5°C), and the average low-temperature is 68.4°F (20.2°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in September is estimated at 95°F (35°C).

What are the most humid months?

August, September and December, with an average relative humidity of 76%, are most humid months in South Thompson.

What is the average humidity in September?

In September, the average relative humidity is 76%.

How many days does it rain in September?

In South Thompson, in September, during 16.3 rainfall days, 2.13" (54mm) of precipitation is typically accumulated.

When it does not snow?

March through December are months without snowfall in South Thompson.

What is the average length of the day in September?

The average day length in September is 12h and 21min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 7:05 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 7:15 pm EDT.

How many hours of sunshine does South Thompson have in September?

The average sunshine duration in September is 8.6h.

What is the UV index reading in September?

In South Thompson, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
South Thompson, GA

Average temperature in September - South Thompson, GA
  • Average high temperature in September: 85.1°F

The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (56.8°F).

  • Average low temperature in September: 68.4°F

The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (40.6°F).

Average pressure in September
South Thompson, GA

Average pressure in September - South Thompson, GA
  • Average pressure in September: 30"Hg

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

Average wind speed in September
South Thompson, GA

Average wind speed in September - South Thompson, GA
  • Average wind speed in September: 6.1mph

The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in September
South Thompson, GA

Average humidity in September - South Thompson, GA
  • Average humidity in September: 76%

The months with the highest relative humidity are August, September and December (76%).
The months with the lowest relative humidity are January and November (71%).

Average rainfall in September
South Thompson, GA

Average rainfall in September - South Thompson, GA
  • Average rainfall in September: 2.13"

The wettest month (with the highest rainfall) is August (3.94").
The driest month (with the least rainfall) is November (1.69").

Average rainfall days in September
South Thompson, GA

Average rainfall days in September - South Thompson, GA
  • Average rainfall days in September: 16.3 days

The month with the highest number of rainy days is July (23.1 days).
The month with the least rainy days is November (8.2 days).

Average snowfall in September
South Thompson, GA

Average snowfall in September - South Thompson, GA
  • Average snowfall in September: 0"

The months with the highest snowfall are January and February (0.08").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in September
South Thompson, GA

Average snowfall days in September - South Thompson, GA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.3 days).
The 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
South Thompson, GA

Average daylight in September / Average sunshine in September - South Thompson, GA
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

Average sunshine days in September
South Thompson, GA

Average sunshine days in September - South Thompson, GA
  • Average sunshine days in September: 11.1 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is August (5.6 days).

Average UV index in September
South Thompson, GA

Average UV index in September - South Thompson, GA
  • Average UV index in September: 6

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in September
South Thompson, GA

Average cloud cover in September - South Thompson, GA
  • Average cloud cover in September: 31

The month with the most cloud cover is December (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 28).

Average visibility in September
South Thompson, GA

Average visibility in September - South Thompson, 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).

South Thompson, Georgia, USA

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