SeasonMapPhiladelphia vs Portland in September
Portland is the better pick in September — 94 vs 81 on SeasonMap's comfort score. Portland is warm, a little rain, clean air, while Philadelphia is warm, rainy, clean air.
Philadelphia vs Portland — September climate, side by side
| Philadelphia | Portland | |
|---|---|---|
| Comfort score | 81/100 (A) | 94/100 (S) |
| Feels-like high | 28°C | 24°C |
| Avg high / low | 27° / 18° | 24° / 14° |
| Rainfall | 101 mm | 46 mm |
| Rainy days | 7 | 5 |
| Humidity | 72% | 67% |
| Air quality (AQI) | 45 | 33 |
Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.
Philadelphia vs Portland in September — FAQ
- Is September better in Philadelphia or Portland?
- Portland is the better pick in September — 94 vs 81 on SeasonMap's comfort score. Portland is warm, a little rain, clean air, while Philadelphia is warm, rainy, clean air.
- What is the weather like in Philadelphia vs Portland in September?
- In September, Philadelphia averages 27°C high / 18°C low with about 101 mm of rain; Portland averages 24°C high / 14°C low with about 46 mm.