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September in Hong Kong

September Events and Weather in Hong Kong


While the humidity remains slightly above comfort levels, it is substantially lower than in the summer months and the rain also eases off – making Hong Kong in September one of the better months to make a visit. Events wise the fantastic Mid-Autumn Festival, or Mooncake Festival, also contribute to making September in Hong Kong a good month to stop-by.

Average High 87F (30C) Average Low 75F (25C)

While still hot and humid, by Hong Kong standards September marks the end of the oppressive heat of the summer months. Especially towards the end of the month, the possibility to enjoy Hong Kong’s outdoors, without soaking your shirt, is very real. Perpetually blue skies, also mark a break with the monsoon summer months, and contribute to September’s enjoyable weather.

What to Wear

  • Sandals will make strolling about more pleasant, while breathable walking shoes for those who want to enjoy the more adventurous side of the Hong Kong outdoors is recommended.
  • A light sweater is useful as everywhere in Hong Kong is air conditioned, often like a fridge
  • Light cotton T-Shirts are useful in the soup-like humidity, allowing your body to breath.

Need to Know

  • First time visitors should be wary of the humidity, which will leave you soaked in sweat after ten minutes of walking. Be sure to take on plenty of liquids to battle against dehydration.
  • September is luckily free of clouds, this means intense sun, for which it’s advisable to prepare for with sun cream and cap, even when outdoors for twenty minutes, or more.
  • If traveling to the countryside, bring mosquito repellent and walking shoes, as well as plenty of bottled water

September Pros

  • The sea in September is generally at its hottest and on average reaches a very pleasant 28C and the ideal time to visit the Hong Kong Beaches.
  • September sees the Mid-Autumn festival get into swing, one of the biggest in the city.
  • The humidity finally starts to relent, making it possible to explore Hong Kong’s fantastic outdoors again
  • The lack of rain also make September one of the best months to explore Hong Kong

September Cons

  • The humidity, especially at the start of the month, can be unpleasant.

September Events

  • 12th of September Mid-Autumn Festival The biggest festival aside from Chinese New Year commemorates the Chinese giving the boot to their Mongolian overlords. Featuring feasts, parades and all manner of celebrations, the Mid-Autumn Festival is one of the most spectacular in the city.
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