September weather forecast
Thomaston, GA

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Weather in September

The first month of the autumn, September, is still a warm month in Thomaston, Georgia, with temperature in the range of an average high of 84.6°F (29.2°C) and an average low of 65.8°F (18.8°C).

Temperature

On the advent of September, Thomaston's average high-temperature exhibits a minor adjustment to a moderately hot 84.6°F (29.2°C) from August's 89.1°F (31.7°C). In September, the average low-temperature is a refreshing 65.8°F (18.8°C).

Heat index

The heat index for September is evaluated at a tropical 93.2°F (34°C). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.

Humidity

In Thomaston, Georgia, the average relative humidity in September is 74%.

Rainfall

In Thomaston, Georgia, during September, the rain falls for 12 days and regularly aggregates up to 2.01" (51mm) of precipitation. Throughout the year, there are 164.9 rainfall days, and 33.54" (852mm) of precipitation is accumulated.

Snowfall

In Thomaston, snow does not fall in March through December.

Daylight

In September, the average length of the day is 12h and 22min.
On the first day of the month, sunrise is at 7:12 am and sunset at 8:01 pm. On the last day of September, sunrise is at 7:31 am and sunset at 7:22 pm EDT.

Sunshine

The average sunshine in September is 8.5h.

UV index

In Thomaston, Georgia, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In September, a regular UV index of 6 translates into these guidelines:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Enhance your sun protection with tightly woven, yet airy clothing.
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during September?

Thomaston in September has an average high-temperature of 84.6°F (29.2°C) and an average low-temperature of 65.8°F (18.8°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in September is evaluated at 93.2°F (34°C).

What is the average humidity in September?

In September, the average relative humidity in Thomaston is 74%.

How many days does it rain in September in Thomaston?

In Thomaston, in September, it is raining for 12 days, with typically 2.01" (51mm) of accumulated precipitation.

When it does not snow?

In Thomaston, snow does not fall in March through December.

What is the average length of the day in September in Thomaston?

The average day length in September is 12h and 22min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 7:12 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 7:22 pm EDT.

How many hours of sunshine does Thomaston have in September?

In September, the average sunshine duration in Thomaston is 8.5h.

What is the UV index reading in September?

In Thomaston, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health 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
Thomaston, GA

Average temperature in September - Thomaston, GA
  • Average high temperature in September: 84.6°F

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (53.4°F).

  • Average low temperature in September: 65.8°F

The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (37.2°F).

Average pressure in September
Thomaston, GA

Average pressure in September - Thomaston, 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
Thomaston, GA

Average wind speed in September - Thomaston, GA
  • Average wind speed in September: 5mph

The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in September
Thomaston, GA

Average humidity in September - Thomaston, GA
  • Average humidity in September: 74%

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

Average rainfall in September
Thomaston, GA

Average rainfall in September - Thomaston, GA
  • Average rainfall in September: 2.01"

The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is October (1.89").

Average rainfall days in September
Thomaston, GA

Average rainfall days in September - Thomaston, GA
  • Average rainfall days in September: 12 days

The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is October (8.4 days).

Average snowfall in September
Thomaston, GA

Average snowfall in September - Thomaston, GA
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.28").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in September
Thomaston, GA

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

The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).

Average daylight in September /
Average sunshine in September
Thomaston, GA

Average daylight in September / Average sunshine in September - Thomaston, 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 3min

The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in September
Thomaston, GA

Average sunshine days in September - Thomaston, GA
  • Average sunshine days in September: 16.7 days

The month with the most sunshine days is October (21.2 days).
The month with the least sunshine days is July (9.3 days).

Average UV index in September
Thomaston, GA

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

The months with the highest UV index are 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
Thomaston, GA

Average cloud cover in September - Thomaston, GA
  • Average cloud cover in September: 32

The month with the most cloud cover is December (Cloud cover 45).
The months with the least cloud cover are June and October (Cloud cover 31).

Average visibility in September
Thomaston, GA

Average visibility in September - Thomaston, GA
  • Average visibility in September: 6mi

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

Thomaston, Georgia, USA

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