Measurements:
°C
°F
CURRENT WEATHER
23:18
Ko Phangan
86°F
SE 19 mph
Feels like: 92°F
Precip: 33%
World Resorts Thailand Ko Phangan Weather

7 Day Weather Forecast

09.11
fri
DAY
86°F
SE 17 mph
precip
74%
NIGHT
86°F
SE 19 mph
precip
33%
09.12
sat
DAY
84°F
E 14 mph
precip
56%
NIGHT
84°F
E 17 mph
precip
46%
09.13
sun
DAY
80°F
E 17 mph
precip
89%
NIGHT
84°F
E 21 mph
precip
24%
09.14
mon
DAY
80°F
NE 16 mph
precip
90%
NIGHT
84°F
E 13 mph
precip
34%
09.15
tue
DAY
86°F
E 16 mph
precip
57%
NIGHT
86°F
E 11 mph
precip
69%
09.16
wed
DAY
86°F
NE 15 mph
precip
23%
NIGHT
88°F
E 17 mph
precip
20%
09.17
thu
DAY
84°F
E 17 mph
precip
53%
NIGHT
84°F
E 24 mph
precip
61%

Ko Phangan Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Ko Phangan was 29.3°F. The maximum and minimum values were 28.6°F and 29.8°F respectively.

Ko Phangan on the Weather Map

Best Time to Visit Ko Phangan
The most sunny months:
April 17 days
May 14 days
March 14 days
The most warm months:
May 91.9 °F
June 91.2 °F
April 90.7 °F
Warmest sea temperature:
May 91.6 °F
April 90.6 °F
June 90.4 °F
The most cold months:
January 86.5 °F
February 86.8 °F
December 87.2 °F
The most rainy months:
November 14 days
October 13 days
September 10 days
The most windy months:
July 13 mph
September 12 mph
August 12 mph
more details