Measurements:
°C
°F
CURRENT WEATHER
08:09
Similan
86°F
N 3 mph
Feels like: 92°F
Precip: 21%
World Resorts Thailand Similan Weather

7 Day Weather Forecast

09.29
tue
DAY
88°F
NE 5 mph
precip
26%
NIGHT
82°F
W 2 mph
precip
23%
09.30
wed
DAY
88°F
E 6 mph
precip
15%
NIGHT
82°F
SW 2 mph
precip
18%
10.01
thu
DAY
88°F
E 7 mph
precip
20%
NIGHT
82°F
SE 2 mph
precip
41%
10.02
fri
DAY
86°F
SE 8 mph
precip
19%
NIGHT
82°F
S 4 mph
precip
78%
10.03
sat
DAY
86°F
E 8 mph
precip
36%
NIGHT
82°F
SE 4 mph
precip
45%
10.04
sun
DAY
86°F
SE 7 mph
precip
27%
NIGHT
82°F
SE 4 mph
precip
25%
10.05
mon
DAY
86°F
E 7 mph
precip
20%
NIGHT
82°F
SE 4 mph
precip
45%

Similan Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Similan was 28.9°F. The maximum and minimum values were 28.4°F and 29.3°F respectively.

Similan on the Weather Map

Best Time to Visit Similan
The most sunny months:
March 20 days
February 19 days
January 16 days
The most warm months:
April 93.2 °F
March 92.9 °F
May 92.0 °F
Warmest sea temperature:
May 90.5 °F
April 90.3 °F
March 89.2 °F
The most cold months:
September 88.5 °F
August 89.2 °F
July 89.3 °F
The most rainy months:
July 17 days
August 15 days
October 15 days
The most windy months:
July 9 mph
August 8 mph
June 8 mph
more details