SeasonMapPhiladelphia vs Pittsburgh in September
Pittsburgh is the better pick in September — 89 vs 81 on SeasonMap's comfort score. Pittsburgh is warm, rainy, clean air, while Philadelphia is warm, rainy, clean air.
Philadelphia vs Pittsburgh — September climate, side by side
| Philadelphia | Pittsburgh | |
|---|---|---|
| Comfort score | 81/100 (A) | 89/100 (A) |
| Feels-like high | 28°C | 27°C |
| Avg high / low | 27° / 18° | 26° / 14° |
| Rainfall | 101 mm | 86 mm |
| Rainy days | 7 | 8 |
| Humidity | 72% | 75% |
| Air quality (AQI) | 45 | 43 |
Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.
Philadelphia vs Pittsburgh in September — FAQ
- Is September better in Philadelphia or Pittsburgh?
- Pittsburgh is the better pick in September — 89 vs 81 on SeasonMap's comfort score. Pittsburgh is warm, rainy, clean air, while Philadelphia is warm, rainy, clean air.
- What is the weather like in Philadelphia vs Pittsburgh in September?
- In September, Philadelphia averages 27°C high / 18°C low with about 101 mm of rain; Pittsburgh averages 26°C high / 14°C low with about 86 mm.