29.09
tue
tue
Day
84°F
NE 7 mph
Precip.
31%
31%
Night
79°F
SW 2 mph
Precip.
74%
74%
30.09
wed
wed
Day
84°F
E 6 mph
Precip.
20%
20%
Night
79°F
SW 2 mph
Precip.
18%
18%
01.10
thu
thu
Day
84°F
E 7 mph
Precip.
20%
20%
Night
79°F
SE 2 mph
Precip.
41%
41%
02.10
fri
fri
Day
82°F
SE 8 mph
Precip.
19%
19%
Night
79°F
S 4 mph
Precip.
78%
78%
03.10
sat
sat
Day
82°F
E 8 mph
Precip.
36%
36%
Night
79°F
SE 4 mph
Precip.
45%
45%
04.10
sun
sun
Day
82°F
SE 7 mph
Precip.
28%
28%
Night
79°F
SE 4 mph
Precip.
25%
25%
05.10
mon
mon
Day
82°F
E 7 mph
Precip.
20%
20%
Night
79°F
SE 4 mph
Precip.
45%
45%
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 84.1°F. The highest and lowest sea temperatures during the month were 84.7°F and 83.1°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 83.9°F. The highest and lowest sea temperatures during the month were 84.7°F and 82.9°F.
Air temperature in Similan, °F
Precipitation total in Similan, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Similan
Similan on a weather map
Places in Thailand:
Name
°F
24 Hours Forecast
Similan
Local time: 13:51
September 29, tuesday
1500
84°F
NE
7 mph
7 mph
1800
82°F
NE
4 mph
4 mph
2100
81°F
N
0 mph
0 mph
September 30, wednesday
0000
79°F
SW
2 mph
2 mph
0300
79°F
W
2 mph
2 mph
0600
79°F
NW
3 mph
3 mph
0900
82°F
W
1 mph
1 mph
1200
84°F
E
6 mph
6 mph
