25.09
fri
fri
Day
79°F
E 25 mph
Precip.
79%
79%
Night
79°F
E 19 mph
Precip.
80%
80%
26.09
sat
sat
Day
79°F
NE 25 mph
Precip.
80%
80%
Night
81°F
NE 19 mph
Precip.
61%
61%
27.09
sun
sun
Day
81°F
NE 17 mph
Precip.
24%
24%
Night
81°F
NE 18 mph
Precip.
11%
11%
28.09
mon
mon
Day
82°F
NE 20 mph
Precip.
66%
66%
Night
82°F
NE 18 mph
Precip.
42%
42%
29.09
tue
tue
Day
82°F
NE 13 mph
Precip.
63%
63%
Night
84°F
NE 14 mph
Precip.
66%
66%
30.09
wed
wed
Day
82°F
NE 5 mph
Precip.
13%
13%
Night
84°F
NE 11 mph
Precip.
59%
59%
01.10
thu
thu
Day
84°F
NE 6 mph
Precip.
20%
20%
Night
84°F
NE 13 mph
Precip.
37%
37%
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 85.8°F. The highest and lowest sea temperatures during the month were 86.7°F and 84.7°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 84.9°F. The highest and lowest sea temperatures during the month were 85.5°F and 84.0°F.
Air temperature in Koh Lan, °F
Precipitation total in Koh Lan, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Koh Lan
Koh Lan on a weather map
Places in Thailand:
Name
°F
24 Hours Forecast
Koh Lan
Local time: 06:10
September 25, friday
0900
79°F
E
21 mph
21 mph
1200
79°F
E
25 mph
25 mph
1500
79°F
E
22 mph
22 mph
1800
79°F
E
23 mph
23 mph
2100
81°F
E
17 mph
17 mph
September 26, saturday
0000
79°F
E
19 mph
19 mph
0300
79°F
E
18 mph
18 mph
0600
79°F
NE
22 mph
22 mph
