Napa vs Washington in September
Napa is the better pick in September — 88 vs 80 on SeasonMap's comfort score. Napa is hot, dry, clean air, while Washington is hot, rainy, clean air.
Napa vs Washington — September climate, side by side
| Napa | Washington | |
|---|---|---|
| Comfort score | 88/100 (A) | 80/100 (A) |
| Feels-like high | 30°C | 30°C |
| Avg high / low | 30° / 13° | 28° / 17° |
| Rainfall | 5 mm | 108 mm |
| Rainy days | 1 | 8 |
| Humidity | 59% | 74% |
| Air quality (AQI) | 34 | 47 |
Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.
Napa vs Washington in September — FAQ
- Is September better in Napa or Washington?
- Napa is the better pick in September — 88 vs 80 on SeasonMap's comfort score. Napa is hot, dry, clean air, while Washington is hot, rainy, clean air.
- What is the weather like in Napa vs Washington in September?
- In September, Napa averages 30°C high / 13°C low with about 5 mm of rain; Washington averages 28°C high / 17°C low with about 108 mm.