Swimming in Hong Kong in september 2025 Sea temperature by city in september
Do you want to go to the beach in Hong Kong in september 2025? Is it the right month to go for pleasant temperatures and staying in the water for a long time? The answer is on this page with the sea temperatures in september in Hong Kong by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in Hong Kong in september 2025
Here, find the average sea temperature in Hong Kong in september in several coastal cities.
83°F
min: 81°F / max: 86°F
84°F
min: 81°F / max: 86°F
84°F
min: 81°F / max: 86°F
Cheung Chau
84°F
min: 81°F / max: 86°F
Lamma Island
83°F
min: 81°F / max: 86°F
Victoria Peak
84°F
min: 81°F / max: 86°F
Repulse Bay beach
83°F
min: 81°F / max: 86°F
Shek O Beach
84°F
min: 81°F / max: 86°F
Where should you go swimming in Hong Kong in the month of september?
Swimming in Hong Kong in september is ideal
In september in Hong Kong swimming conditions are generally the same everywhere.
In september in Hong Kong Island, Kowloon, Tai Po, Cheung Chau, Lamma Island, Victoria Peak , Repulse Bay beach and Shek O Beach, swimming conditions are perfect! With water reaching a maximum of 86°F and an average of 83°F, going in the water (and staying there!) feels great.
Where to go swimming in Hong Kong in september: the map of sea temperatures
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWater temperature and seasonal norms in september
Hong Kong Island
| September | |||
| Average sea temperature | 83°F | ||
| Minimum sea temperature | 81°F | ||
| Maximum sea temperature | 86°F | ||
| Average outside temperature | 86°F | ||
| Maximum outside temperature | 88°F | ||
| Minimum outside temperature | 83°F | ||
| Precipitation | 14.4in | ||
| Number of days of precipitation | 15 jour(s) (49%) | ||
| Cloud cover | 37% | ||
| Our opinion | ideal swimming |
More information on swimming in Hong Kong Island in september
Kowloon
| September | |||
| Average sea temperature | 84°F | ||
| Minimum sea temperature | 81°F | ||
| Maximum sea temperature | 86°F | ||
| Average outside temperature | 86°F | ||
| Maximum outside temperature | 88°F | ||
| Minimum outside temperature | 83°F | ||
| Precipitation | 14.4in | ||
| Number of days of precipitation | 15 jour(s) (49%) | ||
| Cloud cover | 37% | ||
| Our opinion | ideal swimming |
More information on swimming in Kowloon in september
Tai Po
| September | |||
| Average sea temperature | 84°F | ||
| Minimum sea temperature | 81°F | ||
| Maximum sea temperature | 86°F | ||
| Average outside temperature | 86°F | ||
| Maximum outside temperature | 88°F | ||
| Minimum outside temperature | 83°F | ||
| Precipitation | 10.2in | ||
| Number of days of precipitation | 12 jour(s) (39%) | ||
| Cloud cover | 38% | ||
| Our opinion | ideal swimming |
More information on swimming in Tai Po in september
Cheung Chau
| September | |||
| Average sea temperature | 84°F | ||
| Minimum sea temperature | 81°F | ||
| Maximum sea temperature | 86°F | ||
| Average outside temperature | 86°F | ||
| Maximum outside temperature | 88°F | ||
| Minimum outside temperature | 83°F | ||
| Precipitation | 14.4in | ||
| Number of days of precipitation | 15 jour(s) (49%) | ||
| Cloud cover | 37% | ||
| Our opinion | ideal swimming |
Lamma Island
| September | |||
| Average sea temperature | 83°F | ||
| Minimum sea temperature | 81°F | ||
| Maximum sea temperature | 86°F | ||
| Average outside temperature | 86°F | ||
| Maximum outside temperature | 88°F | ||
| Minimum outside temperature | 83°F | ||
| Precipitation | 14.4in | ||
| Number of days of precipitation | 15 jour(s) (49%) | ||
| Cloud cover | 37% | ||
| Our opinion | ideal swimming |
List of coastal cities in Hong Kong
| Hong Kong Island in september | ideal swimming |
| Kowloon in september | ideal swimming |
| Tai Po in september | ideal swimming |
| Cheung Chau in september | ideal swimming |
| Lamma Island in september | ideal swimming |
| Victoria Peak in september | ideal swimming |
| Repulse Bay beach in september | ideal swimming |
| Shek O Beach in september | ideal swimming |