In September warmest sea in Thailand is usually observed in the following locations: Koh Lan, Cha-am, Hua Hin.
Table below shows the average sea water temperature for marine resorts of Thailand in September for the last three years.
| Place name | September 2024 | September 2023 | September 2022 |
|---|---|---|---|
| Koh Lan | 86.0°F | 85.7°F | 85.4°F |
| Cha-am | 86.0°F | 85.7°F | 85.7°F |
| Hua Hin | 86.0°F | 85.3°F | 85.7°F |
| Hat Yai | 85.8°F | 85.8°F | 85.6°F |
| Lamai Beach | 85.8°F | 85.1°F | 85.7°F |
| Bangkok | 85.8°F | 85.5°F | 85.4°F |
| Chaweng Beach | 85.7°F | 85.0°F | 85.6°F |
| Pattaya | 85.7°F | 85.5°F | 85.2°F |
| Narathiwat | 85.7°F | 85.6°F | 85.4°F |
| Jomtien | 85.7°F | 85.4°F | 85.2°F |
| Ko Li Pe | 85.7°F | 85.8°F | 85.0°F |
| Pattani | 85.6°F | 85.6°F | 85.3°F |
| Samui | 85.6°F | 85.0°F | 85.6°F |
| Choeng Mon Beach | 85.6°F | 84.9°F | 85.6°F |
| Mae Nam Beach | 85.5°F | 84.9°F | 85.6°F |
| Bo Phut Beach | 85.5°F | 84.9°F | 85.6°F |
| Taling Ngam Beach | 85.5°F | 85.1°F | 85.8°F |
| Rayong | 85.5°F | 84.7°F | 85.1°F |
| Ko Phangan | 85.4°F | 84.8°F | 85.6°F |
| Tao | 85.4°F | 84.6°F | 85.6°F |
| Phangan | 85.4°F | 84.8°F | 85.6°F |
| Samet | 85.3°F | 84.5°F | 85.0°F |
| Prachuap Khiri Khan | 85.2°F | 84.5°F | 85.0°F |
| Krabi | 85.1°F | 85.1°F | 85.3°F |
| Koh Kood | 85.1°F | 84.6°F | 84.0°F |
| Ko Mak | 85.1°F | 84.8°F | 84.0°F |
| Koh Chang | 85.0°F | 84.8°F | 84.2°F |
| Ko Wai | 85.0°F | 84.9°F | 84.0°F |
| Phi Phi | 85.0°F | 85.2°F | 85.2°F |
| Chumphon | 84.8°F | 84.4°F | 85.0°F |
| Cape Panwa | 84.8°F | 84.8°F | 85.2°F |
| Surat Thani | 84.7°F | 84.6°F | 84.9°F |
| Koh Lanta | 84.7°F | 85.1°F | 85.1°F |
| Phuket | 84.6°F | 84.8°F | 85.1°F |
| Kalim Beach | 84.6°F | 84.8°F | 85.1°F |
| Surin Beach | 84.6°F | 84.8°F | 85.1°F |
| Kamala Beach | 84.6°F | 84.8°F | 85.1°F |
| Bang Tao Beach | 84.6°F | 84.8°F | 85.1°F |
| Patong Beach | 84.6°F | 84.8°F | 85.1°F |
| Kata Beach | 84.6°F | 84.8°F | 85.1°F |
| Karon Beach | 84.6°F | 84.8°F | 85.1°F |
| Nai Harn Beach | 84.5°F | 84.8°F | 85.1°F |
| Rawai Beach | 84.5°F | 84.8°F | 85.1°F |
| Trat | 84.5°F | 84.7°F | 83.9°F |
| Nai Yang Beach | 84.5°F | 84.7°F | 85.0°F |
| Mai Khao Beach | 84.4°F | 84.7°F | 85.0°F |
| Similan | 84.0°F | 84.0°F | 84.5°F |
| Khao Lak | 83.8°F | 84.1°F | 84.5°F |
Charts below show average sea water temperature for Thailand resorts with the warmest sea in September.
You can also check other months of the year to see sea temperature of Thailand resorts at that time.
Places in Thailand:
Name
°F
