Last updated: March 2, 2024
The weather in Haikou, China, during September is characterized by an average temperature of 27°C (81°F). Highs can soar to 33°C (93°F), while lows may dip to 22°C (72°F). Typically, the humidity level in Haikou throughout September hovers around 70%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, Haikou averages 105 mm (4.1 inches) of rainfall, typically over the course of 15 rainy days. The month enjoys an average of 12 hours 16 minutes of daylight, with the sun shining for approximately 9 hours 48 minutes each day. Additionally, there is a 52% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In September, the UV Index in Haikou 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 | 8 | 5 | 2 | 1 | 1 | 0 |
| Exposure | Low | Moderate | High | VeryHigh | Extreme | VeryHigh | Moderate | Low | |||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 15 min | 30 min | 45 min | |||||