In September warmest sea in Sumatra is usually observed in the following locations: Perhentian Islands, Redang, Kuala Lumpur.
Table below shows the average sea water temperature for marine resorts of Sumatra in September for the last three years.
| Place name | September 2023 | September 2022 | September 2021 |
|---|---|---|---|
| Perhentian Islands | 86.1°F | 85.7°F | 85.6°F |
| Redang | 86.0°F | 86.0°F | 85.4°F |
| Kuala Lumpur | 85.9°F | 85.8°F | 85.6°F |
| Batu Feringgi | 85.9°F | 85.7°F | 85.4°F |
| Penang | 85.9°F | 85.6°F | 85.4°F |
| Pangkor | 85.9°F | 85.6°F | 85.4°F |
| George Town | 85.9°F | 85.8°F | 85.4°F |
| Malacca | 85.7°F | 85.2°F | 85.6°F |
| Kuala Terengganu | 85.6°F | 85.6°F | 84.9°F |
| Medan | 85.4°F | 85.3°F | 85.2°F |
| Bintan | 85.3°F | 84.4°F | 84.9°F |
| Sentosa | 85.3°F | 84.5°F | 85.0°F |
| Singapore | 85.2°F | 84.4°F | 84.9°F |
| Johor Bahrul | 85.1°F | 84.3°F | 84.6°F |
| Batam | 85.0°F | 84.2°F | 84.9°F |
| Tioman | 84.1°F | 84.1°F | 84.5°F |
Charts below show average sea water temperature for Sumatra resorts with the warmest sea in September.
You can also check other months of the year to see sea temperature of Sumatra resorts at that time.
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