SeasonMapAtlanta vs Philadelphia in September
Atlanta and Philadelphia are nearly tied in September — 80 vs 81 on SeasonMap's comfort score. Atlanta is hot, rainy; Philadelphia is warm, rainy, clean air.
Atlanta vs Philadelphia — September climate, side by side
| Atlanta | Philadelphia | |
|---|---|---|
| Comfort score | 80/100 (A) | 81/100 (A) |
| Feels-like high | 31°C | 28°C |
| Avg high / low | 29° / 20° | 27° / 18° |
| Rainfall | 92 mm | 101 mm |
| Rainy days | 5 | 7 |
| Humidity | 70% | 72% |
| Air quality (AQI) | 55 | 45 |
Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.
Atlanta vs Philadelphia in September — FAQ
- Is September better in Atlanta or Philadelphia?
- Atlanta and Philadelphia are nearly tied in September — 80 vs 81 on SeasonMap's comfort score. Atlanta is hot, rainy; Philadelphia is warm, rainy, clean air.
- What is the weather like in Atlanta vs Philadelphia in September?
- In September, Atlanta averages 29°C high / 20°C low with about 92 mm of rain; Philadelphia averages 27°C high / 18°C low with about 101 mm.