Last updated: March 2, 2024
The weather in Haishan, China, during September is characterized by an average temperature of 27°C (81°F). Highs can soar to 36°C (96°F), while lows may dip to 20°C (69°F). Typically, the humidity level in Haishan throughout September hovers around 78%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, Haishan averages 118 mm (4.6 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 12 hours 17 minutes of daylight, with the sun shining for approximately 8 hours 40 minutes each day. Additionally, there is a 45% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In September, the UV Index in Haishan reaches a maximum of 11, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, during which unprotected skin may burn in as little as 10 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 1 | 3 | 6 | 9 | 11 | 11 | 10 | 7 | 4 | 2 | 1 | 1 | 0 |
| Exposure | Low | Moderate | High | VeryHigh | Extreme | VeryHigh | High | Moderate | Low | ||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 15 min | 25 min | 30 min | 45 min | ||||