Current sea water temperature:
+86.7°F
| Minimum sea water temperature in September: | 87.4°F |
| Maximum sea water temperature in September: | 81.1°F |
| Average sea water temperature in September: | 84.7°F |
| more information | |
14 days
forecast
forecast
| Koh Lanta |
monthly
weather
weather
| Koh Lanta |
Sea water temperature for the last 10 days:
| September 15 | 86.7°F | September 10 | 87.3°F |
| September 14 | 86.5°F | September 9 | 87.4°F |
| September 13 | 86.4°F | September 8 | 86.9°F |
| September 12 | 86.7°F | September 7 | 86.9°F |
| September 11 | 86.9°F | September 6 | 87.1°F |
Monthly sea water temperature, °F
When is the warmest sea in Koh Lanta?
Based on the data about daily sea water temperature for the last three years the warmest sea in Koh Lanta was noticed in April, May and June.
Monthly Sea Temperatures in Koh Lanta, °F
Sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 88.7°F. The highest and lowest sea temperatures during the month were 90.3°F and 86.7°F.
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 87.9°F. The highest and lowest sea temperatures during the month were 89.1°F and 86.4°F.
Sea water temperature in June, °F
Show year:
2026
2025
2024
The average sea water temperature in June of 2026 was 86.6°F. The highest and lowest sea temperatures during the month were 87.6°F and 84.9°F.
current
weather
weather
| Koh Lanta |
weather in
September
September
| Koh Lanta |
Best time for vacation in Koh Lanta
Koh Lanta on a weather map
Places in Thailand:
Name
°F
24 Hours Forecast
Koh Lanta
Local time: 13:56
September 16, wednesday
1500

84°F
SE
15 mph
15 mph
1800

82°F
SE
17 mph
17 mph
2100

82°F
SE
19 mph
19 mph
September 17, thursday
0000

82°F
SE
19 mph
19 mph
0300

82°F
SE
17 mph
17 mph
0600

81°F
E
14 mph
14 mph
0900

81°F
SE
15 mph
15 mph
1200

81°F
E
16 mph
16 mph


























