Kaohsiung weather in September
September in Kaohsiung: sweltering, soaked, with very humid — a fair time to visit.
#8 of 12 months in Kaohsiung · #520 of 604 destinations to visit in September · comfort 59/100 (tier D)
Updated June 2026 · climate normals from ERA5 reanalysis
Kaohsiung climate normals — September
| Daytime high | 30°C / 87°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 25°C / 76°F | |
| Feels like (high) | 36°C / 97°F | |
| Rainfall | 157 mm / 6.2 in | ⛈ soaked |
| Rainy days | 14 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 24°C / 74°F | |
| Sunshine | 10.2 h/day | |
| Daylight | 12.3 h | |
| Wind | 13 km/h / 8 mph | |
| Air quality (US AQI) | 88 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Kaohsiung in September — FAQ
- Is September a good time to visit Kaohsiung?
- September in Kaohsiung: sweltering, soaked, with very humid — a fair time to visit. It ranks #8 of 12 months for Kaohsiung on SeasonMap's comfort score (59/100).
- What is the weather like in Kaohsiung in September?
- In September, Kaohsiung averages a daily high of 30.4°C and a low of 24.7°C, with about 157.2 mm of rain over roughly 14.4 rainy days.
- What is the air quality in Kaohsiung in September?
- Kaohsiung has a mean US Air Quality Index of about 88 in September.