Average sea water temperature in September:
+83.9°F
| Minimum sea water temperature in September: | 85.5°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 84.3°F. The highest and lowest sea temperatures during the month were 85.3°F and 83.3°F.
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Monthly sea water temperature in Trincomalee, °F
Which Sri Lanka resorts have warmest sea in September?
| Place name | September 2026 | September 2025 |
|---|---|---|
| Pasikuda | 85.3°F | 84.5°F |
| Batticaloa | 85.1°F | 84.4°F |
| Bentota | 85.1°F | 83.9°F |
| Induruwa | 85.0°F | 83.7°F |
| Beruwela | 85.0°F | 84.0°F |
| Wadduwa | 85.0°F | 84.0°F |
| Kalutara | 85.0°F | 84.2°F |
| Jafna | 85.0°F | 84.6°F |
| Ahungalla | 84.9°F | 83.6°F |
| Panadura | 84.8°F | 83.9°F |
| Balapitiya | 84.8°F | 83.5°F |
| Dehiwala Mount Lavinia | 84.6°F | 83.8°F |
| Colombo | 84.5°F | 83.7°F |
| Negombo | 84.3°F | 83.6°F |
| Trincomalee | 84.3°F | 83.6°F |
| Hikkaduwa | 84.3°F | 83.5°F |
| Marawila | 84.0°F | 83.3°F |
| Unawatuna | 83.9°F | 83.4°F |
| Halle | 83.9°F | 83.4°F |
| Marissa | 83.9°F | 83.3°F |
Best time for vacation in Trincomalee
Trincomalee on a weather map
Places in Sri Lanka:
Name
°F
24 Hours Forecast
Trincomalee
Local time: 21:15
September 18, friday
0000
82°F
NE
20 mph
20 mph
0300
81°F
NE
19 mph
19 mph
0600
81°F
NE
20 mph
20 mph
0900
86°F
NE
17 mph
17 mph
1200
91°F
NE
14 mph
14 mph
1500
91°F
NE
21 mph
21 mph
1800
88°F
E
17 mph
17 mph
2100
82°F
NE
17 mph
17 mph
