Oslo vs San Juan in September
Oslo is the better pick in September — 73 vs 60 on SeasonMap's comfort score. Oslo is cool, rainy, clean air, while San Juan is sweltering, rainy, clean air.
Oslo vs San Juan — September climate, side by side
| Oslo | San Juan | |
|---|---|---|
| Comfort score | 73/100 (B) | 60/100 (C) |
| Feels-like high | 15°C | 37°C |
| Avg high / low | 16° / 10° | 32° / 25° |
| Rainfall | 102 mm | 145 mm |
| Rainy days | 11 | 20 |
| Humidity | 82% | 82% |
| Air quality (AQI) | 38 | 29 |
Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.
Oslo vs San Juan in September — FAQ
- Is September better in Oslo or San Juan?
- Oslo is the better pick in September — 73 vs 60 on SeasonMap's comfort score. Oslo is cool, rainy, clean air, while San Juan is sweltering, rainy, clean air.
- What is the weather like in Oslo vs San Juan in September?
- In September, Oslo averages 16°C high / 10°C low with about 102 mm of rain; San Juan averages 32°C high / 25°C low with about 145 mm.