September Weather in Haikou

Last updated: March 2, 2024

The weather in Haikou, China, during September is characterized by an average temperature of 25°C (77°F). Highs can soar to 35°C (96°F), while lows may dip to 16°C (62°F). Typically, the humidity level in Haikou throughout September hovers around 72%.

16°C (62°F)

Minimum temperature

25°C (77°F)

Average temperature

35°C (96°F)

Maximum temperature

72%

Humidity

Precipitation and Sunshine hours

In September, Haikou averages 98 mm (3.9 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 12 hours 18 minutes of daylight, with the sun shining for approximately 8 hours 2 minutes each day. Additionally, there is a 39% probability of sunny days during this period.

98 mm (3.9 inches)

Precipitation

12 rainy days

Rainy days

8 hours 2 minutes

Sunshine hours

39%

Chance of sun

UV Index

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.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  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 5 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

Compare Haikou's Climate with Cities Worldwide