Measurements:
°C
°F
CURRENT WEATHER
05:08
Similan
82°F
E 6 mph
Feels like: 88°F
Precip: 63%
World Resorts Thailand Similan Weather

7 Day Weather Forecast

09.09
wed
DAY
84°F
E 7 mph
precip
62%
NIGHT
84°F
E 9 mph
precip
70%
09.10
thu
DAY
86°F
E 7 mph
precip
65%
NIGHT
82°F
E 7 mph
precip
74%
09.11
fri
DAY
82°F
NE 11 mph
precip
70%
NIGHT
80°F
E 7 mph
precip
78%
09.12
sat
DAY
78°F
E 5 mph
precip
76%
NIGHT
80°F
E 8 mph
precip
74%
09.13
sun
DAY
82°F
NE 12 mph
precip
50%
NIGHT
80°F
E 10 mph
precip
72%
09.14
mon
DAY
82°F
E 11 mph
precip
72%
NIGHT
80°F
NE 9 mph
precip
77%
09.15
tue
DAY
84°F
NE 8 mph
precip
65%
NIGHT
80°F
NE 6 mph
precip
77%

Similan Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Similan was 28.5°F. The maximum and minimum values were 27.6°F and 29.1°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 88.7 °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