Baltimore vs Washington in September
Baltimore and Washington are nearly tied in September — 79 vs 80 on SeasonMap's comfort score. Baltimore is hot, rainy, clean air; Washington is hot, rainy, clean air.
Baltimore vs Washington — September climate, side by side
| Baltimore | Washington | |
|---|---|---|
| Comfort score | 79/100 (B) | 80/100 (A) |
| Feels-like high | 29°C | 30°C |
| Avg high / low | 28° / 19° | 28° / 17° |
| Rainfall | 106 mm | 108 mm |
| Rainy days | 7 | 8 |
| Humidity | 76% | 74% |
| Air quality (AQI) | 45 | 47 |
Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.
Baltimore vs Washington in September — FAQ
- Is September better in Baltimore or Washington?
- Baltimore and Washington are nearly tied in September — 79 vs 80 on SeasonMap's comfort score. Baltimore is hot, rainy, clean air; Washington is hot, rainy, clean air.
- What is the weather like in Baltimore vs Washington in September?
- In September, Baltimore averages 28°C high / 19°C low with about 106 mm of rain; Washington averages 28°C high / 17°C low with about 108 mm.