29.09
tue
tue
Day
84°F
NW 2 mph
Precip.
17%
17%
Night
84°F
SE 2 mph
Precip.
18%
18%
30.09
wed
wed
Day
82°F
SE 2 mph
Precip.
31%
31%
Night
84°F
E 3 mph
Precip.
6%
6%
01.10
thu
thu
Day
82°F
E 7 mph
Precip.
8%
8%
Night
84°F
NE 7 mph
Precip.
20%
20%
02.10
fri
fri
Day
82°F
E 4 mph
Precip.
19%
19%
Night
82°F
SE 9 mph
Precip.
21%
21%
03.10
sat
sat
Day
82°F
E 9 mph
Precip.
12%
12%
Night
82°F
E 11 mph
Precip.
40%
40%
04.10
sun
sun
Day
82°F
E 9 mph
Precip.
52%
52%
Night
82°F
E 12 mph
Precip.
52%
52%
05.10
mon
mon
Day
82°F
E 12 mph
Precip.
21%
21%
Night
82°F
E 15 mph
Precip.
30%
30%
sea water
temperature
temperature
| Ko Phangan |
monthly
weather
weather
| Ko Phangan |
current
weather
weather
| Ko Phangan |
14 days
forecast
forecast
| Ko Phangan |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 85.0°F. The highest and lowest sea temperatures during the month were 85.8°F and 84.0°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 84.7°F. The highest and lowest sea temperatures during the month were 85.5°F and 83.7°F.
Air temperature in Ko Phangan, °F
Precipitation total in Ko Phangan, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Ko Phangan
Ko Phangan on a weather map
Places in Thailand:
Name
°F
24 Hours Forecast
Ko Phangan
Local time: 10:40
September 29, tuesday
1200
84°F
NW
2 mph
2 mph
1500
84°F
W
3 mph
3 mph
1800
84°F
W
4 mph
4 mph
2100
82°F
W
2 mph
2 mph
September 30, wednesday
0000
84°F
SE
2 mph
2 mph
0300
82°F
E
5 mph
5 mph
0600
82°F
SE
3 mph
3 mph
0900
82°F
S
2 mph
2 mph
