Average sea water temperature in September:
+85.0°F
| Minimum sea water temperature in September: | 88.0°F |
| Maximum sea water temperature in September: | 81.9°F |
Daily sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 85.2°F. The highest and lowest sea temperatures during the month were 86.0°F and 84.4°F.
Monthly sea water temperature in Samui, °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 |
| Kamala Beach | 85.5°F | 84.0°F |
| Bang Tao Beach | 85.5°F | 84.0°F |
| Surin Beach | 85.5°F | 84.0°F |
| Nai Harn Beach | 85.5°F | 84.1°F |
| Rawai Beach | 85.5°F | 84.1°F |
Best time for vacation in Samui
Samui on a weather map
Places in Thailand:
Name
°F
24 Hours Forecast
Samui
Local time: 01:13
October 05, monday
0300
84°F
SE
13 mph
13 mph
0600
82°F
E
12 mph
12 mph
0900
82°F
E
11 mph
11 mph
1200
82°F
E
11 mph
11 mph
1500
84°F
SE
2 mph
2 mph
1800
84°F
NW
2 mph
2 mph
2100
84°F
NE
1 mph
1 mph
October 06, tuesday
0000
82°F
SE
6 mph
6 mph
