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United StatesThe weather in September in Atlanta
It's hot in September in Atlanta with an average temperature of 31°C. Temperatures this month range from a low of 27°C to a high of 33°C. At night, you can expect temperatures between 16°C and 23°C.
September is a good month to be in Atlanta for sunny weather. You’ll have high temperatures and not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Atlanta, Texas. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 38°C in 2023, Atlanta reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 19°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of 10°C to a highest value of 26°C.
Rainfall amount
In September, there is an average of 91 mm of precipitation, spread over 11 days. The wind speed is around 3 Bft, mostly coming from the Southeast.
Daily weather in September for Atlanta
Click on any day in September to get detailed info about the usual weather on that day in Atlanta. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Atlanta | New York | |
|---|---|---|
| Average temperature | 31°C | 27°C |
| Max. temperature | 33°C | 31°C |
| Min. temperature | 16°C | -5°C |
| Total precipitation | 91 mm | 57 mm |
| Rainy days | 11 days | 9 days |
Start of September
The month of September starts in Atlanta with hot temps, averaging around 33°C during the day and nights around 22°C.
Mid September
By mid-September, daytime temps drop to around 32°C, with nights around 21°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of September
By the end of September, the average daytime temperature in Atlanta is around 30°C, while nighttime temps are about 19°C. A shower might pop up, but overall, the weather will be dry and sunny.
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UV index
The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
The hurricane season in Atlanta runs from June to November.
Check out the climate of Atlanta for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in September in Atlanta, Texas. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Atlanta
Temperature in September in Atlanta over the years
Precipitation charts
These charts show the average amount of precipitation in September in Atlanta, Texas. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in September in Atlanta
Total precipitation in September in Atlanta over the years
Daily UV index in September in Atlanta
This chart shows the average daily UV index in September in Atlanta, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in September in Atlanta
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Average weather in Atlanta by month
Click on a month below to see detailed weather info for Atlanta. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.