Average sea water temperature in September:
+84.0°F
| Minimum sea water temperature in September: | 87.1°F |
| Maximum sea water temperature in September: | 81.5°F |
Daily sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 84.6°F. The highest and lowest sea temperatures during the month were 85.5°F and 83.1°F.
Monthly sea water temperature in Ko Wai, °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 |
| Kalim Beach | 85.5°F | 84.0°F |
| Rawai Beach | 85.5°F | 84.1°F |
Best time for vacation in Ko Wai
Ko Wai on a weather map
Places in Thailand:
Name
°F
24 Hours Forecast
Ko Wai
Local time: 20:01
November 09, monday
2100

86°F
SE
6 mph
6 mph
November 10, tuesday
0000

82°F
SW
11 mph
11 mph
0300

81°F
SW
19 mph
19 mph
0600

79°F
SW
27 mph
27 mph
0900

79°F
SW
24 mph
24 mph
1200

84°F
SW
16 mph
16 mph
1500

84°F
SW
22 mph
22 mph
1800

82°F
SW
26 mph
26 mph


























