09.09
wed
wed
Day

82°F
E 12 mph
Precip.
20%
20%
Night

84°F
E 19 mph
Precip.
27%
27%
10.09
thu
thu
Day

82°F
NE 13 mph
Precip.
15%
15%
Night

82°F
E 20 mph
Precip.
20%
20%
11.09
fri
fri
Day

82°F
E 10 mph
Precip.
50%
50%
Night

81°F
E 20 mph
Precip.
29%
29%
12.09
sat
sat
Day

81°F
E 17 mph
Precip.
44%
44%
Night

79°F
NE 19 mph
Precip.
69%
69%
13.09
sun
sun
Day

81°F
E 19 mph
Precip.
51%
51%
Night

79°F
E 21 mph
Precip.
61%
61%
14.09
mon
mon
Day

81°F
NE 21 mph
Precip.
23%
23%
Night

82°F
NE 21 mph
Precip.
23%
23%
15.09
tue
tue
Day

82°F
NE 24 mph
Precip.
65%
65%
Night

82°F
E 19 mph
Precip.
37%
37%
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:
2025
2024
2023
The average sea water temperature in September of 2025 was 84.7°F. The highest and lowest sea temperatures during the month were 85.6°F and 83.5°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: 08:31
September 09, wednesday
0900

82°F
E
16 mph
16 mph
1200

82°F
E
12 mph
12 mph
1500

84°F
E
6 mph
6 mph
1800

86°F
E
13 mph
13 mph
2100

84°F
E
18 mph
18 mph
September 10, thursday
0000

84°F
E
19 mph
19 mph
0300

82°F
E
19 mph
19 mph
0600

82°F
E
18 mph
18 mph


























