Hong Kong vs San Francisco in September
San Francisco is the better pick in September — 92 vs 51 on SeasonMap's comfort score. San Francisco is warm, dry, clean air, while Hong Kong is sweltering, soaked, very humid.
Hong Kong vs San Francisco — September climate, side by side
| Hong Kong | San Francisco | |
|---|---|---|
| Comfort score | 51/100 (D) | 92/100 (S) |
| Feels-like high | 36°C | 24°C |
| Avg high / low | 30° / 26° | 24° / 14° |
| Rainfall | 224 mm | 4 mm |
| Rainy days | 20 | 0 |
| Humidity | 83% | 77% |
| Air quality (AQI) | 84 | 35 |
Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.
Hong Kong vs San Francisco in September — FAQ
- Is September better in Hong Kong or San Francisco?
- San Francisco is the better pick in September — 92 vs 51 on SeasonMap's comfort score. San Francisco is warm, dry, clean air, while Hong Kong is sweltering, soaked, very humid.
- What is the weather like in Hong Kong vs San Francisco in September?
- In September, Hong Kong averages 30°C high / 26°C low with about 224 mm of rain; San Francisco averages 24°C high / 14°C low with about 4 mm.