San Juan vs Vancouver in September
Vancouver is the better pick in September — 80 vs 60 on SeasonMap's comfort score. Vancouver is nice, soaked, clean air, while San Juan is sweltering, rainy, clean air.
San Juan vs Vancouver — September climate, side by side
| San Juan | Vancouver | |
|---|---|---|
| Comfort score | 60/100 (C) | 80/100 (A) |
| Feels-like high | 37°C | 20°C |
| Avg high / low | 32° / 25° | 20° / 13° |
| Rainfall | 145 mm | 170 mm |
| Rainy days | 20 | 11 |
| Humidity | 82% | 76% |
| Air quality (AQI) | 29 | 46 |
Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.
San Juan vs Vancouver in September — FAQ
- Is September better in San Juan or Vancouver?
- Vancouver is the better pick in September — 80 vs 60 on SeasonMap's comfort score. Vancouver is nice, soaked, clean air, while San Juan is sweltering, rainy, clean air.
- What is the weather like in San Juan vs Vancouver in September?
- In September, San Juan averages 32°C high / 25°C low with about 145 mm of rain; Vancouver averages 20°C high / 13°C low with about 170 mm.