September weather forecast
Gantt Acres, GA

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Weather in September

The first month of the autumn, September, is still a warm month in Gantt Acres, Georgia, with an average temperature ranging between max 83.8°F (28.8°C) and min 65.3°F (18.5°C).

Temperature

Gantt Acres starts September with an average high-temperature of a moderately hot 83.8°F (28.8°C), a minor shift from August's 88.9°F (31.6°C). Gantt Acres experiences an average temperature drop to a refreshing 65.3°F (18.5°C) during September nights.

Heat index

During September, the heat index is evaluated at a hot 91.4°F (33°C). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.
Understand that the heat index values take into account shaded locations and mild winds. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.

Humidity

In September, the average relative humidity is 73%.

Rainfall

In Gantt Acres, Georgia, during September, the rain falls for 13.5 days and regularly aggregates up to 2.6" (66mm) of precipitation. Throughout the year, there are 180.5 rainfall days, and 40.12" (1019mm) of precipitation is accumulated.

Snowfall

In Gantt Acres, snow does not fall in April through October.

Daylight

In Gantt Acres, the average length of the day in September is 12h and 22min.
On the first day of September, sunrise is at 7:12 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 7:23 pm EDT.

Sunshine

The average sunshine in September is 8.5h.

UV index

The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 6 during September leads to these advisories:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Updated: Jul 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is September?

In September, in Gantt Acres, the average high-temperature is 83.8°F (28.8°C), and the average low-temperature is 65.3°F (18.5°C). In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 91.4°F (33°C).

What is the average humidity in September?

In Gantt Acres, the average relative humidity in September is 73%.

How many days does it rain in September?

In September, the rain falls for 13.5 days. Throughout September, 2.6" (66mm) of precipitation is accumulated.

When it does not snow?

April through October are months without snowfall.

How many hours of daylight does Gantt Acres have in September?

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

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 7:12 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 7:23 pm EDT.

How long on average sun shines in September?

In September, the average sunshine duration is 8.5h.

What is the UV index reading in September?

In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health threat 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
Gantt Acres, GA

Average temperature in September - Gantt Acres, GA
  • Average high temperature in September: 83.8°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (51.6°F).

  • Average low temperature in September: 65.3°F

The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).

Average pressure in September
Gantt Acres, GA

Average pressure in September - Gantt Acres, GA
  • Average pressure in September: 30.02"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

Average wind speed in September
Gantt Acres, GA

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

The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).

Average humidity in September
Gantt Acres, GA

Average humidity in September - Gantt Acres, GA
  • Average humidity in September: 73%

The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are October and November (72%).

Average rainfall in September
Gantt Acres, GA

Average rainfall in September - Gantt Acres, GA
  • Average rainfall in September: 2.6"

The wettest month (with the highest rainfall) is August (4.96").
The driest month (with the least rainfall) is October (2.09").

Average rainfall days in September
Gantt Acres, GA

Average rainfall days in September - Gantt Acres, GA
  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is July (22.7 days).
The month with the least rainy days is November (9.3 days).

Average snowfall in September
Gantt Acres, GA

Average snowfall in September - Gantt Acres, GA
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.59").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Gantt Acres, GA

Average snowfall days in September - Gantt Acres, GA
  • Average snowfall days in September: 0 days

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

Average daylight in September /
Average sunshine in September
Gantt Acres, GA

Average daylight in September / Average sunshine in September - Gantt Acres, 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 month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in September
Gantt Acres, GA

Average sunshine days in September - Gantt Acres, GA
  • Average sunshine days in September: 15.1 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (7.5 days).

Average UV index in September
Gantt Acres, GA

Average UV index in September - Gantt Acres, GA
  • Average UV index in September: 6

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).

Average cloud cover in September
Gantt Acres, GA

Average cloud cover in September - Gantt Acres, GA
  • Average cloud cover in September: 32

The month with the most cloud cover is December (Cloud cover 46).
The months with the least cloud cover are June and October (Cloud cover 31).

Average visibility in September
Gantt Acres, GA

Average visibility in September - Gantt Acres, 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).

Gantt Acres, Georgia, USA

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