World Resorts Thailand Koh Chang Weather

Koh Chang Sea Temperature in September

Average sea water temperature in September:
+84.0°F
Minimum sea water temperature in September: 86.9°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 85.1°F and 84.0°F.

Monthly sea water temperature in Koh Chang, °F

Which Thailand resorts have warmest sea in September?

Place name September 2026 September 2025
Ko Li Pe 87.2°F 85.8°F
Koh Lanta 86.8°F 84.9°F
Phi Phi 86.5°F 84.8°F
Krabi 86.4°F 84.8°F
Narathiwat 86.4°F 85.9°F
Hat Yai 86.2°F 86.0°F
Pattani 86.1°F 85.5°F
Bangkok 85.9°F 84.9°F
Cape Panwa 85.9°F 84.3°F
Phuket 85.8°F 84.0°F
Kalim Beach 85.7°F 84.0°F
Bang Tao Beach 85.7°F 84.0°F
Kamala Beach 85.7°F 84.0°F
Surin Beach 85.7°F 84.0°F
Rawai Beach 85.6°F 84.1°F
Koh Lan 85.6°F 84.9°F
Nai Harn Beach 85.6°F 84.1°F
Patong Beach 85.6°F 83.9°F
Karon Beach 85.6°F 84.0°F
Nai Yang Beach 85.6°F 84.0°F

Best time for vacation in Koh Chang

Sunniest months:
January 22 days
December 21 days
February 16 days
Warmest months:
May 88.7 °F
April 88.2 °F
June 86.9 °F
Warmest sea temp:
May 87.7 °F
April 87.2 °F
June 85.9 °F
Coldest months:
January 84.4 °F
February 85.1 °F
December 85.1 °F
Rainiest months:
July 22 days
August 21 days
September 20 days
Windiest months:
July 11.2 mph
August 10.6 mph
June 10.0 mph

Koh Chang on a weather map

Koh Chang
+82°F
NW 5 mph
Feels like: +88°F
Precip.: 21%
Places in Thailand:
Name
°F
+77°F
+79°F
+79°F
+79°F
+81°F
+82°F
+79°F
+82°F
+75°F
+82°F
+79°F
+84°F
+79°F
24 Hours Forecast
Koh Chang
Local time: 21:57
September 16, wednesday
0000
82°F
N
6 mph
0300
81°F
N
5 mph
0600
81°F
NW
2 mph
0900
82°F
NW
5 mph
1200
82°F
N
6 mph
1500
84°F
N
8 mph
1800
84°F
N
11 mph
2100
84°F
N
9 mph
Units of measurement: °C / °F