What is the weather like in Atlanta vs Great Smoky Mountains National Park in September?

In September, Atlanta averages 29°C high / 20°C low with about 92 mm of rain; Great Smoky Mountains National Park averages 23°C high / 14°C low with about 146 mm.

Atlanta vs Great Smoky Mountains National Park in September

Great Smoky Mountains National Park is the better pick in September — 84 vs 80 on SeasonMap's comfort score. Great Smoky Mountains National Park is nice, rainy, clean air, while Atlanta is hot, rainy.

Atlanta vs Great Smoky Mountains National Park — September climate, side by side

	🇺🇸 Atlanta	🇺🇸 Great Smoky Mountains National Park
Comfort score	80/100 (A)	84/100 (A)
Feels-like high	31°C	23°C
Avg high / low	29° / 20°	23° / 14°
Rainfall	92 mm	146 mm
Rainy days	5	9
Humidity	70%	78%
Air quality (AQI)	55	37

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Month by month

Atlanta vs Great Smoky Mountains National Park in September — FAQ

Is September better in Atlanta or Great Smoky Mountains National Park?: Great Smoky Mountains National Park is the better pick in September — 84 vs 80 on SeasonMap's comfort score. Great Smoky Mountains National Park is nice, rainy, clean air, while Atlanta is hot, rainy.
What is the weather like in Atlanta vs Great Smoky Mountains National Park in September?: In September, Atlanta averages 29°C high / 20°C low with about 92 mm of rain; Great Smoky Mountains National Park averages 23°C high / 14°C low with about 146 mm.