Current sea water temperature:
+83.5°F
| Minimum sea water temperature in September: | 84.7°F |
| Maximum sea water temperature in September: | 79.5°F |
| Average sea water temperature in September: | 82.5°F |
| more information | |
14 days
forecast
forecast
| Unawatuna |
monthly
weather
weather
| Unawatuna |
Sea water temperature for the last 10 days:
| September 15 | 83.5°F | September 10 | 84.6°F |
| September 14 | 84.0°F | September 9 | 84.7°F |
| September 13 | 83.8°F | September 8 | 84.2°F |
| September 12 | 84.6°F | September 7 | 84.4°F |
| September 11 | 84.4°F | September 6 | 83.8°F |
Monthly sea water temperature, °F
When is the warmest sea in Unawatuna?
Based on the data about daily sea water temperature for the last three years the warmest sea in Unawatuna was noticed in April, May and March.
Monthly Sea Temperatures in Unawatuna, °F
Sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 86.6°F. The highest and lowest sea temperatures during the month were 87.8°F and 85.1°F.
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 85.0°F. The highest and lowest sea temperatures during the month were 87.6°F and 83.1°F.
Sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 83.9°F. The highest and lowest sea temperatures during the month were 85.6°F and 82.4°F.
current
weather
weather
| Unawatuna |
weather in
September
September
| Unawatuna |
Best time for vacation in Unawatuna
Unawatuna on a weather map
Places in Sri Lanka:
Name
°F
24 Hours Forecast
Unawatuna
Local time: 04:27
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
