Average sea water temperature in September:
+85.5°F
| Minimum sea water temperature in September: | 88.9°F |
| Maximum sea water temperature in September: | 79.9°F |
Daily sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 83.7°F. The highest and lowest sea temperatures during the month were 85.3°F and 82.0°F.
Monthly sea water temperature in Beihai, °F
Which China resorts have warmest sea in September?
| Place name | September 2026 | September 2025 |
|---|---|---|
| Zhuhai | 84.4°F | 85.3°F |
| Macau | 84.2°F | 85.0°F |
| Shenzhen | 84.1°F | 85.0°F |
| Hong Kong | 83.8°F | 84.5°F |
| Beihai | 83.7°F | 86.0°F |
| Tainan | 83.5°F | 85.4°F |
| Guangzhou | 83.2°F | 84.8°F |
| Shanghai | 83.2°F | 85.4°F |
| Haikou | 83.1°F | 84.3°F |
| Xiamen | 83.1°F | 85.0°F |
| Hainan | 83.0°F | 84.5°F |
| Nantong | 82.6°F | 85.1°F |
| Taichung | 81.9°F | 85.9°F |
| Ningbo | 81.8°F | 83.8°F |
| Suzhou | 81.7°F | 85.2°F |
| Taipei | 81.5°F | 85.1°F |
| Yalong Bay | 81.4°F | 84.2°F |
| Sanya | 81.3°F | 84.1°F |
| Dadunhai | 81.3°F | 84.1°F |
| Hangzhou | 81.1°F | 84.0°F |
Best time for vacation in Beihai
Beihai on a weather map
Places in China:
Name
°F
24 Hours Forecast
Beihai
Local time: 17:28
September 17, thursday
1800
82°F
NW
6 mph
6 mph
2100
82°F
NW
12 mph
12 mph
September 18, friday
0000
81°F
NW
12 mph
12 mph
0300
81°F
W
12 mph
12 mph
0600
79°F
W
13 mph
13 mph
0900
79°F
W
12 mph
12 mph
1200
82°F
W
14 mph
14 mph
1500
84°F
W
12 mph
12 mph
