Chiang Mai vs Seoul in September
Seoul is the better pick in September — 76 vs 54 on SeasonMap's comfort score. Seoul is warm, soaked, very humid, while Chiang Mai is sweltering, soaked, very humid.
Chiang Mai vs Seoul — September climate, side by side
| Chiang Mai | Seoul | |
|---|---|---|
| Comfort score | 54/100 (D) | 76/100 (B) |
| Feels-like high | 36°C | 27°C |
| Avg high / low | 30° / 23° | 25° / 18° |
| Rainfall | 237 mm | 159 mm |
| Rainy days | 23 | 10 |
| Humidity | 87% | 79% |
| Air quality (AQI) | 53 | 73 |
Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.
Chiang Mai vs Seoul in September — FAQ
- Is September better in Chiang Mai or Seoul?
- Seoul is the better pick in September — 76 vs 54 on SeasonMap's comfort score. Seoul is warm, soaked, very humid, while Chiang Mai is sweltering, soaked, very humid.
- What is the weather like in Chiang Mai vs Seoul in September?
- In September, Chiang Mai averages 30°C high / 23°C low with about 237 mm of rain; Seoul averages 25°C high / 18°C low with about 159 mm.