In September warmest sea in Cambodia is usually observed in the following locations: Koh Kong, Sihanoukville, Koh Dek Koule.
Table below shows the average sea water temperature for marine resorts of Cambodia in September for the last three years.
| Place name | September 2026 | September 2025 | September 2024 |
|---|---|---|---|
| Koh Kong | 84.7°F | 83.7°F | 84.4°F |
| Sihanoukville | 84.5°F | 84.1°F | 84.7°F |
| Koh Dek Koule | 84.4°F | 84.1°F | 84.7°F |
| Koh Rong | 84.4°F | 84.1°F | 84.6°F |
Charts below show average sea water temperature for Cambodia resorts with the warmest sea in September.
You can also check other months of the year to see sea temperature of Cambodia resorts at that time.
Places in Cambodia:
Name
°F
