Average sea water temperature in September:
+83.8°F
| Minimum sea water temperature in September: | 86.5°F |
| Maximum sea water temperature in September: | 81.7°F |
Daily sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 83.3°F. The highest and lowest sea temperatures during the month were 84.4°F and 81.7°F.
Monthly sea water temperature in Similan, °F
Which Thailand resorts have warmest sea in September?
| Place name | September 2025 | September 2024 |
|---|---|---|
| Hat Yai | 86.0°F | 85.8°F |
| Narathiwat | 85.9°F | 85.7°F |
| Ko Li Pe | 85.8°F | 85.7°F |
| Pattani | 85.5°F | 85.6°F |
| Cha-am | 85.2°F | 86.0°F |
| Hua Hin | 85.2°F | 86.0°F |
| Lamai Beach | 85.1°F | 85.8°F |
| Taling Ngam Beach | 85.0°F | 85.5°F |
| Chaweng Beach | 85.0°F | 85.7°F |
| Bangkok | 84.9°F | 85.8°F |
| Samui | 84.9°F | 85.6°F |
| Koh Lan | 84.9°F | 86.0°F |
| Koh Lanta | 84.9°F | 84.7°F |
| Choeng Mon Beach | 84.9°F | 85.6°F |
| Mae Nam Beach | 84.9°F | 85.5°F |
| Bo Phut Beach | 84.9°F | 85.5°F |
| Krabi | 84.8°F | 85.1°F |
| Phi Phi | 84.8°F | 85.0°F |
| Pattaya | 84.8°F | 85.7°F |
| Ko Phangan | 84.7°F | 85.4°F |
Best time for vacation in Similan
Similan on a weather map
Places in Thailand:
Name
°F
24 Hours Forecast
Similan
Local time: 16:11
December 05, friday
1800
77°F
NW
2 mph
2 mph
2100
77°F
NW
5 mph
5 mph
December 06, saturday
0000
77°F
W
4 mph
4 mph
0300
75°F
W
6 mph
6 mph
0600
75°F
W
6 mph
6 mph
0900
79°F
W
5 mph
5 mph
1200
86°F
S
2 mph
2 mph
1500
82°F
S
3 mph
3 mph
