Average sea water temperature in September:
+84.5°F
| Minimum sea water temperature in September: | 86.7°F |
| Maximum sea water temperature in September: | 82.0°F |
Daily sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 85.6°F. The highest and lowest sea temperatures during the month were 86.2°F and 84.9°F.
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| Nai Harn Beach |
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| Nai Harn Beach |
14 days
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| Nai Harn Beach |
Monthly sea water temperature in Nai Harn Beach, °F
Which Thailand resorts have warmest sea in September?
| Place name | September 2026 | September 2025 |
|---|---|---|
| Ko Li Pe | 87.2°F | 85.8°F |
| Koh Lanta | 86.8°F | 84.9°F |
| Phi Phi | 86.5°F | 84.8°F |
| Krabi | 86.4°F | 84.8°F |
| Narathiwat | 86.4°F | 85.9°F |
| Hat Yai | 86.2°F | 86.0°F |
| Pattani | 86.1°F | 85.5°F |
| Bangkok | 85.9°F | 84.9°F |
| Cape Panwa | 85.9°F | 84.3°F |
| Phuket | 85.8°F | 84.0°F |
| Kalim Beach | 85.7°F | 84.0°F |
| Bang Tao Beach | 85.7°F | 84.0°F |
| Kamala Beach | 85.7°F | 84.0°F |
| Surin Beach | 85.7°F | 84.0°F |
| Rawai Beach | 85.6°F | 84.1°F |
| Koh Lan | 85.6°F | 84.9°F |
| Nai Harn Beach | 85.6°F | 84.1°F |
| Patong Beach | 85.6°F | 83.9°F |
| Karon Beach | 85.6°F | 84.0°F |
| Nai Yang Beach | 85.6°F | 84.0°F |
Best time for vacation in Nai Harn Beach
Nai Harn Beach on a weather map
Places in Thailand:
Name
°F
24 Hours Forecast
Nai Harn Beach
Local time: 22:23
September 16, wednesday
0000
79°F
SE
5 mph
5 mph
0300
79°F
SE
5 mph
5 mph
0600
79°F
SE
4 mph
4 mph
0900
82°F
SE
6 mph
6 mph
1200
82°F
SE
10 mph
10 mph
1500
81°F
E
14 mph
14 mph
1800
79°F
E
17 mph
17 mph
2100
77°F
E
13 mph
13 mph
