September weather forecast
Athens, GA

The historic city hall tower at dusk in Athens, Georgia, along with other neon-lit houses in the vicinity
The historic city hall tower at dusk in Athens, Georgia, along with other neon-lit houses in the vicinity

Weather in September

The first month of the autumn, September, is still a warm month in Athens, Georgia, with average temperature ranging between min 64.2°F (17.9°C) and max 84.4°F (29.1°C).

Temperature

In September, the average high-temperature is almost the same as in August - a warm 84.4°F (29.1°C). In September, the average low-temperature is 64.2°F (17.9°C).

Heat index

The average heat index is evaluated at a hot 92.3°F (33.5°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With 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', 'apparent temperature', or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like pregnancy, differences in body mass, height, and shape, clothing, and activity influence one's weather impression. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. 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.

Humidity

In September, the average relative humidity is 73%.

Rainfall

September is the month with the least rainfall in Athens. Rain falls for 12.2 days and accumulates 1.93" (49mm) of precipitation.

Snowfall

April through November are months without snowfall.

Daylight

In Athens, the average length of the day in September is 12.4h.

Sunshine

The average sunshine in September is 8.5h.

UV index

In Athens, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to the UV radiation for the ordinary person.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in September in Athens?

In September, in Athens, the average high-temperature is 84.4°F (29.1°C), and the average low-temperature is 64.2°F (17.9°C). In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is evaluated at 92.3°F (33.5°C).

What is the average humidity in September in Athens?

The average relative humidity in September in Athens is 73%.

What is the driest month in Athens?

The month with the least rainfall is September when the rain falls for 12.2 days and typically collects 1.93" (49mm) of precipitation.

How many days does it rain in September in Athens?

In Athens, Georgia, in September, during 12.2 rainfall days, 1.93" (49mm) of precipitation is typically accumulated.

When it does not snow in Athens?

April through November are months without snowfall in Athens.

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

In Athens, Georgia, the average length of the day in September is 12.4h.

How many hours of sunshine does Athens have in September?

In September, the average sunshine in Athens, Georgia, is 8.5h.

What is the UV index reading in September in Athens?

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV radiation.

Average temperature in September
Athens, GA

Average temperature in September - Athens, GA
  • Average high temperature in September: 84.4°F

The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (51.1°F).

  • Average low temperature in September: 64.2°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (35.1°F).

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Average pressure in September
Athens, GA

Average pressure in September - Athens, GA
  • Average pressure in September: 30.03"

Months with the highest atmospheric pressure are January and November (30.15").
The month with the lowest atmospheric pressure is June (29.99").

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Average wind speed in September
Athens, GA

Average wind speed in September - Athens, GA
  • Average wind speed in September: 4.8mph

The windiest month (with the highest average wind speed) is January (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average humidity in September
Athens, GA

Average humidity in September - Athens, GA
  • Average humidity in September: 73%

The month with the highest relative humidity is December (77%).
Months with the lowest relative humidity are July, October and November (72%).

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Average rainfall in September
Athens, GA

Average rainfall in September - Athens, GA
  • Average rainfall in September: 1.93"

The wettest month (with the highest rainfall) is December (3.86").
The driest month (with the least rainfall) is September (1.93").

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Average rainfall days in September
Athens, GA

Average rainfall days in September - Athens, GA
  • Average rainfall days in September: 12.2 days

The month with the highest number of rainy days is August (17.7 days).
Months with the least rainy days are October and November (9.4 days).

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Average snowfall in September
Athens, GA

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

The month with the highest snowfall is February (0.79").
Months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in September
Athens, GA

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

The month with the highest number of snowfall days is January (1.1 days).
Months with the least snowfall days are May, June, July, August, September, October and November (0 days).

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

Average daylight in September / Average sunshine in September - Athens, GA
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in September: 8.5h

The month with the most sunshine is July (Average sunshine: 10.7h).
The month with the least sunshine is December (Average sunshine: 5.1h).

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Average sunshine days in September
Athens, GA

Average sunshine days in September - Athens, GA
  • Average sunshine days in September: 15.8 days

The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is June (11.4 days).

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Average UV index in September
Athens, GA

Average UV index in September - Athens, GA
  • Average UV index in September: 5

The month with the highest UV index is June (UV index 7).
Months with the lowest UV index are January and December (UV index 2).

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Average cloud cover in September
Athens, GA

Average cloud cover in September - Athens, GA
  • Average cloud cover in September: 33

Months with the most cloud cover are February and December (Cloud cover 44).
The month with the least cloud cover is June (Cloud cover 30).

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Average visibility in September
Athens, GA

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

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

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