Is Atlanta hot in September?
Days are typically warm at 29°C, while nights average 17.4°C.
United States · 1991–2020 normal
Atlanta in
September.
Typical September weather in Atlanta: 29°C by day, 17.4°C at night, 92 mm of rain over 5.4 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high29°C
Typical low17.4°C
Rain92 mm
Wet days5.4
In the year-round weather comparison, September scores 69 out of 100 (October leads the year at 82). Daylight is calculated as 12 h 20 from latitude 33.75°.
September at a glance
What is Atlanta like in September?
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Does it rain much?
The measured monthly average is 92 mm across about 5 wet days.
How much daylight is there?
There are about 12 h 20 between sunrise and sunset at mid-month, calculated from the place latitude.
Is September a good time to visit?
September ranks 4 of 12 in our weather comparison; October ranks first.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4180439
- NOAA station
- USW00003888 · ATLANTA FULTON CO AP
- Station distance
- 13 km from the place centre
- Coverage
- Good coverage · 22 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
Next step
Choose your month.
Then plan the details.
The weather comparison for Atlanta is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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