Measurements:
°C
°F
Koh Chang
86°F
N 4 mph
Feels like: 92°F
Precip: 28%
World Resorts Thailand Koh Chang Weather

7 Day Weather Forecast

09.11
fri
DAY
84°F
SE 6 mph
precip
14%
NIGHT
86°F
N 4 mph
precip
28%
09.12
sat
DAY
86°F
S 12 mph
precip
22%
NIGHT
86°F
SW 11 mph
precip
66%
09.13
sun
DAY
86°F
S 17 mph
precip
13%
NIGHT
84°F
SW 18 mph
precip
22%
09.14
mon
DAY
82°F
S 11 mph
precip
26%
NIGHT
84°F
SE 7 mph
precip
21%
09.15
tue
DAY
86°F
NE 12 mph
precip
75%
NIGHT
84°F
N 8 mph
precip
52%
09.16
wed
DAY
86°F
N 11 mph
precip
62%
NIGHT
86°F
NE 7 mph
precip
69%
09.17
thu
DAY
88°F
NE 7 mph
precip
18%
NIGHT
86°F
N 7 mph
precip
57%

Koh Chang Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Koh Chang was 29.1°F. The maximum and minimum values were 28.8°F and 29.6°F respectively.

Koh Chang on the Weather Map

Best Time to Visit Koh Chang
The most sunny months:
January 22 days
December 21 days
February 16 days
The most warm months:
May 93.0 °F
April 92.4 °F
June 91.0 °F
Warmest sea temperature:
May 91.9 °F
April 91.3 °F
June 89.9 °F
The most cold months:
January 88.3 °F
February 89.0 °F
December 89.0 °F
The most rainy months:
July 22 days
August 21 days
September 20 days
The most windy months:
July 11 mph
August 11 mph
June 10 mph