Average sea water temperature in September:
+84.9°F
| Minimum sea water temperature in September: | 88.0°F |
| Maximum sea water temperature in September: | 81.3°F |
Daily sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 85.0°F. The highest and lowest sea temperatures during the month were 85.8°F and 84.0°F.
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Monthly sea water temperature in Ko Phangan, °F
Which Thailand resorts have warmest sea in September?
| Place name | September 2026 | September 2025 |
|---|---|---|
| Ko Li Pe | 86.9°F | 85.8°F |
| Koh Lanta | 86.3°F | 84.9°F |
| Phi Phi | 86.3°F | 84.8°F |
| Krabi | 86.2°F | 84.8°F |
| Pattani | 86.2°F | 85.5°F |
| Hat Yai | 86.1°F | 86.0°F |
| Narathiwat | 86.1°F | 85.9°F |
| Bangkok | 85.9°F | 84.9°F |
| Koh Lan | 85.8°F | 84.9°F |
| Cape Panwa | 85.7°F | 84.3°F |
| Pattaya | 85.7°F | 84.8°F |
| Cha-am | 85.7°F | 85.2°F |
| Hua Hin | 85.6°F | 85.2°F |
| Jomtien | 85.6°F | 84.7°F |
| Phuket | 85.5°F | 84.0°F |
| Bang Tao Beach | 85.5°F | 84.0°F |
| Surin Beach | 85.5°F | 84.0°F |
| Kamala Beach | 85.5°F | 84.0°F |
| Rawai Beach | 85.5°F | 84.1°F |
| Kalim Beach | 85.5°F | 84.0°F |
Best time for vacation in Ko Phangan
Ko Phangan on a weather map
Places in Thailand:
Name
°F
24 Hours Forecast
Ko Phangan
Local time: 17:53
October 19, monday
1800

81°F
W
4 mph
4 mph
2100

81°F
NE
4 mph
4 mph
October 20, tuesday
0000

81°F
NE
4 mph
4 mph
0300

81°F
NE
5 mph
5 mph
0600

81°F
N
4 mph
4 mph
0900

81°F
N
3 mph
3 mph
1200

79°F
NW
8 mph
8 mph
1500

81°F
NW
7 mph
7 mph

























