Reykjavík vs San Juan in September
Reykjavík is the better pick in September — 69 vs 60 on SeasonMap's comfort score. Reykjavík is cold, rainy, clean air, while San Juan is sweltering, rainy, clean air.
Reykjavík vs San Juan — September climate, side by side
| Reykjavík | San Juan | |
|---|---|---|
| Comfort score | 69/100 (C) | 60/100 (C) |
| Feels-like high | 8°C | 37°C |
| Avg high / low | 11° / 6° | 32° / 25° |
| Rainfall | 149 mm | 145 mm |
| Rainy days | 19 | 20 |
| Humidity | 84% | 82% |
| Air quality (AQI) | 32 | 29 |
Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.
Reykjavík vs San Juan in September — FAQ
- Is September better in Reykjavík or San Juan?
- Reykjavík is the better pick in September — 69 vs 60 on SeasonMap's comfort score. Reykjavík is cold, rainy, clean air, while San Juan is sweltering, rainy, clean air.
- What is the weather like in Reykjavík vs San Juan in September?
- In September, Reykjavík averages 11°C high / 6°C low with about 149 mm of rain; San Juan averages 32°C high / 25°C low with about 145 mm.