Weather in Haikou in September
Haikou, China averages a high of 21.8°C (71.2°F) and low of 15.8°C (60.4°F) in September, with 19 rain days and 9 hours of daily sunshine. Travel score: 65.1/100 (Good). The best time to visit Haikou is April.
High
22°C71°F
Low
16°C60°F
🌧️
19
rain days
☀️
9
hrs/day sunshine
💧
82%
humidity
65— Good
September in Haikou is mild and rainy — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Haikou?
How much does it rain in Haikou in September?
Haikou receives an average of 136.7mm of rainfall across 19 rainy days in September. The annual total is 1188.5mm.
What should I pack for Haikou in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 22°C
🧥
Waterproof jacket
Frequent rain expected (19 rainy days)
☔
Umbrella
Essential for the rainy season
👢
Waterproof shoes
Keep your feet dry in wet conditions
🧴
Sunscreen SPF 30+
9 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Traveling to China in September?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31