Average sea water temperature in September:
+82.5°F
| Minimum sea water temperature in September: | 84.6°F |
| Maximum sea water temperature in September: | 79.7°F |
Daily sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 83.8°F. The highest and lowest sea temperatures during the month were 84.6°F and 83.1°F.
sea water
temperature
temperature
| Koggalla |
monthly
weather
weather
| Koggalla |
current
weather
weather
| Koggalla |
14 days
forecast
forecast
| Koggalla |
Monthly sea water temperature in Koggalla, °F
Which Sri Lanka resorts have warmest sea in September?
| Place name | September 2026 | September 2025 |
|---|---|---|
| Pasikuda | 85.2°F | 84.5°F |
| Bentota | 85.2°F | 83.9°F |
| Batticaloa | 85.1°F | 84.4°F |
| Induruwa | 85.1°F | 83.7°F |
| Beruwela | 85.1°F | 84.0°F |
| Kalutara | 85.1°F | 84.2°F |
| Wadduwa | 85.1°F | 84.0°F |
| Ahungalla | 85.0°F | 83.6°F |
| Panadura | 84.9°F | 83.9°F |
| Balapitiya | 84.9°F | 83.5°F |
| Jafna | 84.8°F | 84.6°F |
| Dehiwala Mount Lavinia | 84.6°F | 83.8°F |
| Colombo | 84.5°F | 83.7°F |
| Hikkaduwa | 84.4°F | 83.5°F |
| Negombo | 84.3°F | 83.6°F |
| Trincomalee | 84.2°F | 83.6°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 Koggalla
Koggalla on a weather map
Places in Sri Lanka:
Name
°F
24 Hours Forecast
Koggalla
Local time: 05:02
September 16, wednesday
0600
79°F
E
11 mph
11 mph
0900
81°F
E
10 mph
10 mph
1200
81°F
E
12 mph
12 mph
1500
81°F
E
13 mph
13 mph
1800
81°F
E
11 mph
11 mph
2100
81°F
E
10 mph
10 mph
September 17, thursday
0000
79°F
NE
11 mph
11 mph
0300
79°F
NE
11 mph
11 mph
