04.09
fri
fri
Day
84°F
NE 6 mph
Precip.
17%
17%
Night
84°F
NE 19 mph
Precip.
27%
27%
05.09
sat
sat
Day
84°F
NE 7 mph
Precip.
17%
17%
Night
84°F
NE 20 mph
Precip.
34%
34%
06.09
sun
sun
Day
82°F
NE 12 mph
Precip.
20%
20%
Night
82°F
NE 17 mph
Precip.
20%
20%
07.09
mon
mon
Day
82°F
NE 14 mph
Precip.
18%
18%
Night
84°F
NE 18 mph
Precip.
13%
13%
08.09
tue
tue
Day
84°F
NE 11 mph
Precip.
18%
18%
Night
84°F
E 16 mph
Precip.
20%
20%
09.09
wed
wed
Day
84°F
NE 9 mph
Precip.
18%
18%
Night
84°F
E 14 mph
Precip.
45%
45%
10.09
thu
thu
Day
82°F
NE 3 mph
Precip.
20%
20%
Night
81°F
E 12 mph
Precip.
47%
47%
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 84.9°F. The highest and lowest sea temperatures during the month were 85.6°F and 84.6°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: 21:33
September 05, saturday
0000
84°F
NE
19 mph
19 mph
0300
84°F
NE
14 mph
14 mph
0600
84°F
NE
9 mph
9 mph
0900
84°F
NE
8 mph
8 mph
1200
84°F
NE
7 mph
7 mph
1500
84°F
N
11 mph
11 mph
1800
84°F
N
11 mph
11 mph
2100
84°F
NE
11 mph
11 mph
