Shenzhen weather in September
September in Shenzhen: sweltering, soaked, with very humid — a fair time to visit.
#10 of 12 months in Shenzhen · #568 of 604 destinations to visit in September · comfort 50/100 (tier D)
Updated June 2026 · climate normals from ERA5 reanalysis
Shenzhen climate normals — September
| Daytime high | 31°C / 87°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 26°C / 78°F | |
| Feels like (high) | 37°C / 99°F | |
| Rainfall | 222 mm / 8.7 in | ⛈ soaked |
| Rainy days | 20 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 25°C / 76°F | |
| Sunshine | 9.7 h/day | |
| Daylight | 12.3 h | |
| Wind | 13 km/h / 8 mph | |
| Air quality (US AQI) | 84 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Shenzhen?
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Shenzhen in September — FAQ
- Is September a good time to visit Shenzhen?
- September in Shenzhen: sweltering, soaked, with very humid — a fair time to visit. It ranks #10 of 12 months for Shenzhen on SeasonMap's comfort score (50/100).
- What is the weather like in Shenzhen in September?
- In September, Shenzhen averages a daily high of 30.5°C and a low of 25.8°C, with about 221.9 mm of rain over roughly 20.2 rainy days.
- What is the air quality in Shenzhen in September?
- Shenzhen has a mean US Air Quality Index of about 84 in September.