Weather in Hong Kong Island in September
Hong Kong Island, Hong Kong averages a high of 28.3°C (82.9°F) and low of 24.4°C (75.9°F) in September, with 17 rain days and 9.5 hours of daily sunshine. Travel score: 69.9/100 (Good). The best time to visit Hong Kong Island is November.
High
28°C83°F
Low
24°C76°F
🌧️
17
rain days
☀️
9.5
hrs/day sunshine
💧
83%
humidity
70— Good
September in Hong Kong Island is hot and rainy — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Hong Kong Island?
How much does it rain in Hong Kong Island in September?
Hong Kong Island receives an average of 216mm of rainfall across 17 rainy days in September. The annual total is 1782.6mm.
What should I pack for Hong Kong Island in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 28°C
🧥
Waterproof jacket
Frequent rain expected (17 rainy days)
☔
Umbrella
Essential for the rainy season
👢
Waterproof shoes
Keep your feet dry in wet conditions
🧴
Sunscreen SPF 30+
10 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Traveling to Hong Kong 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