Average sea water temperature in September:
+84.6°F
| Minimum sea water temperature in September: | 87.3°F |
| Maximum sea water temperature in September: | 79.2°F |
Daily sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 82.3°F. The highest and lowest sea temperatures during the month were 86.0°F and 79.2°F.
Monthly sea water temperature in Sanya, °F
Which China resorts have warmest sea in September?
| Place name | September 2026 | September 2025 |
|---|---|---|
| Zhuhai | 84.7°F | 85.3°F |
| Shenzhen | 84.6°F | 85.0°F |
| Macau | 84.5°F | 85.0°F |
| Beihai | 84.4°F | 86.0°F |
| Guangzhou | 84.1°F | 84.8°F |
| Tainan | 84.0°F | 85.4°F |
| Hong Kong | 84.0°F | 84.5°F |
| Haikou | 83.5°F | 84.3°F |
| Xiamen | 83.2°F | 85.0°F |
| Hainan | 83.0°F | 84.5°F |
| Yalong Bay | 82.4°F | 84.2°F |
| Sanya | 82.3°F | 84.1°F |
| Dadunhai | 82.3°F | 84.1°F |
| Taichung | 81.7°F | 85.9°F |
| Shanghai | 81.7°F | 85.4°F |
| Ningbo | 81.2°F | 83.8°F |
| Taipei | 81.1°F | 85.1°F |
| Nantong | 80.9°F | 85.1°F |
| Suzhou | 80.8°F | 85.2°F |
| Hangzhou | 80.5°F | 84.0°F |
Best time for vacation in Sanya
Sanya on a weather map
Places in China:
Name
°F
24 Hours Forecast
Sanya
Local time: 04:33
October 05, monday
0600
75°F
S
4 mph
4 mph
0900
82°F
SE
1 mph
1 mph
1200
86°F
NW
2 mph
2 mph
1500
84°F
N
4 mph
4 mph
1800
79°F
W
4 mph
4 mph
2100
75°F
SW
5 mph
5 mph
October 06, tuesday
0000
75°F
SW
6 mph
6 mph
0300
75°F
SW
6 mph
6 mph
