Shenzhen Weather in September
China · Humid Subtropical climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
September in Shenzhen sees average temperatures ranging from a low of 24.7°C (76.5°F) to a high of 30.6°C (87.1°F), with a mean of 27.2°C (81.0°F). Compared to the annual average of 22.8°C (73.0°F), this month is 4.4°C warmer than the yearly norm. Precipitation averages 270.4mm, making it approximately 108.0mm wetter than the monthly average of 162.0mm. The city receives an average of 9.0 hours of sunshine per day during September, with relative humidity averaging 84.8%. Wind speeds reach an average maximum of 14.3 km/h. For travelers, this month offers a temperature experience in Shenzhen, with wetter-than-average conditions compared to the rest of the year.
Shenzhen's coastal position on the Pearl River Delta creates a climate that's slightly moderated by the sea. I've studied the temperature data and found that the city enjoys a longer comfortable season than nearby Guangzhou. The best months for enjoying the city's parks and beaches are October through December, when the humidity subsides and the skies are clearest.
September vs Adjacent Months
| Metric | August | September | October |
|---|---|---|---|
| Mean Temp | 27.5°C (81.5°F) | 27.2°C (81.0°F) | 24.2°C (75.6°F) |
| Rainfall | 330.3mm | 270.4mm | 144.6mm |
| Sunshine | 8.8 hrs | 9.0 hrs | 8.6 hrs |
| Humidity | 87.2% | 84.8% | 73.4% |
| Wind | 14.5 km/h | 14.3 km/h | 18.0 km/h |
| Rainy Days | 29.6 | 26.6 | 12.6 |
Seasonal Context
September falls in Autumn in the Northern Hemisphere. Autumn sees temperatures gradually cooling from summer highs. For travelers visiting Shenzhen in September, the data indicates mixed conditions based on the combination of temperature, precipitation, and daylight hours.
Frequently Asked Questions
What is the average temperature in Shenzhen in September?
The average temperature in Shenzhen during September ranges from 24.7°C (76.5°F) to 30.6°C (87.1°F), with a mean of 27.2°C (81.0°F).
How much does it rain in Shenzhen in September?
Shenzhen receives an average of 270.4mm of precipitation in September, spread across approximately 26.6 rainy days.
What should I pack for Shenzhen in September?
Based on September weather data, pack lightweight, breathable clothing, sunscreen, and a hat. Rain gear is essential — this month averages 270.4mm of precipitation.
Is September a good time to visit Shenzhen?
September is a month with challenging conditions. Plan activities carefully and stay hydrated.
Other Months for Shenzhen
Cities with Similar September Climate (Humid Subtropical)
Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: 22.54°, 114.06°. Timezone: Asia/Shanghai. Last updated: 2026-07-30.