The Vietnam resorts with the warmest sea water temperature in September are Thanh Hoa, Doc Let Beach and Cat Ba Island.
Below you can see a list of all popular Vietnam resorts and information about sea water temperature in September for the last two years.
| Resort Name | September 2023 | September 2022 | September 2021 |
|---|---|---|---|
| Thanh Hoa | 90.4°F | 90.6°F | 90.2°F |
| Doc Let Beach | 90.2°F | 90.4°F | 89.2°F |
| Cat Ba Island | 90.1°F | 90.6°F | 90.7°F |
| Hue | 90.0°F | 91.0°F | 89.6°F |
| Ha Long | 89.9°F | 90.5°F | 90.7°F |
| Da Nang | 89.8°F | 90.7°F | 88.9°F |
| Tuan Chau | 89.7°F | 90.0°F | 90.5°F |
| Hoi An | 89.5°F | 90.1°F | 88.7°F |
| Nha Trang | 89.5°F | 89.8°F | 88.6°F |
| Cam Ranh | 89.4°F | 89.7°F | 87.9°F |
| Vinpearl | 89.3°F | 89.7°F | 88.3°F |
| Hai Phong | 88.5°F | 88.1°F | 88.9°F |
| Con Dao | 88.4°F | 88.7°F | 88.2°F |
| Phu Quoc | 88.1°F | 88.5°F | 87.9°F |
| Phan Rang | 87.7°F | 89.1°F | 87.5°F |
| Vung Tau | 87.6°F | 88.2°F | 87.9°F |
| Ho Chi Minh | 87.5°F | 88.1°F | 88.1°F |
| Ke Ga | 86.8°F | 87.6°F | 87.6°F |
| Phan Thiet | 86.3°F | 87.8°F | 87.3°F |
| Mui Ne | 85.9°F | 88.0°F | 87.3°F |
Please see following sea water temperature averages charts for the warmest Vietnam resorts in September.
You can also get the same information for the every other month of the year when the average sea water temperature is greater then 70°F.
Sea Water
Temperature
Temperature
| Thanh Hoa |
Sea Water
Temperature
Temperature
| Doc Let Beach |
Sea Water
Temperature
Temperature
| Cat Ba Island |
Vietnam Resorts:
NAME
F°
| Cam Ranh |  |
+84 |
| Cat Ba Island |  |
+84 |
| Con Dao | |
+90 |
| Da Lat | |
+68 |
| Da Nang | |
+86 |
| Ha Long | |
+84 |
| Ha Noi | |
+88 |
| Ho Chi Minh | |
+92 |
| Hoi An | |
+86 |
| Mui Ne | |
+86 |
| Nha Trang | |
+84 |
| Phan Thiet | |
+86 |
| Phu Quoc | |
+88 |
| Vinpearl | |
+86 |
| Vung Tau | |
+92 |
