World Resorts China Hong Kong Weather

Hong Kong Sea Temperature in September

Average sea water temperature in September:
+83.5°F
Minimum sea water temperature in September: 86.7°F
Maximum sea water temperature in September: 79.9°F

Daily sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 84.5°F. The highest and lowest sea temperatures during the month were 86.0°F and 82.0°F.

Monthly sea water temperature in Hong Kong, °F

Which China resorts have warmest sea in September?

Place name September 2025 September 2024
Beihai 86.0°F 86.0°F
Taichung  85.9°F 86.0°F
Shanghai 85.4°F 85.0°F
Tainan 85.4°F 86.2°F
Zhuhai 85.3°F 85.4°F
Suzhou 85.2°F 84.6°F
Nantong 85.1°F 85.4°F
Taipei 85.1°F 85.0°F
Macau 85.0°F 85.4°F
Xiamen 85.0°F 84.0°F
Shenzhen 85.0°F 84.7°F
Guangzhou 84.8°F 85.5°F
Hong Kong 84.5°F 84.3°F
Hainan 84.5°F 85.5°F
Haikou 84.3°F 85.0°F
Yalong Bay 84.2°F 85.5°F
Sanya 84.1°F 85.5°F
Dadunhai 84.1°F 85.5°F
Hangzhou 84.0°F 83.6°F
Ningbo 83.8°F 83.4°F

Best time for vacation in Hong Kong

Sunniest months:
December 14 days
January 13 days
October 13 days
Warmest months:
July 89.1 °F
August 89.1 °F
September 88.2 °F
Warmest sea temp:
July 84.2 °F
August 84.0 °F
September 83.5 °F
Coldest months:
January 67.0 °F
December 68.7 °F
February 69.0 °F
Rainiest months:
June 10 days
August 10 days
July 9 days
Windiest months:
July 9.3 mph
June 9.1 mph
October 8.9 mph

Hong Kong on a weather map

Hong Kong
+63°F
S 4 mph
Feels like: +63°F
Precip.: 0%
Places in China:
Name
°F
+18°F
+63°F
+63°F
+61°F
+23°F
+63°F
+27°F
+61°F
+64°F
+59°F
+43°F
+34°F
+45°F
+59°F
+61°F
24 Hours Forecast
Hong Kong
Local time: 07:12
January 13, tuesday
0900
64°F
S
4 mph
1200
68°F
SE
2 mph
1500
68°F
NE
2 mph
1800
66°F
N
3 mph
2100
66°F
NW
6 mph
January 14, wednesday
0000
66°F
W
8 mph
0300
64°F
W
13 mph
0600
64°F
W
18 mph

Best place for vacation:

Units of measurement: °C / °F