Average sea water temperature in September:
+73.9°F
| Minimum sea water temperature in September: | 80.4°F |
| Maximum sea water temperature in September: | 68.4°F |
Daily sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 74.1°F. The highest and lowest sea temperatures during the month were 75.2°F and 73.0°F.
Monthly sea water temperature in Omis, °F
Which Croatia resorts have warmest sea in September?
| Place name | September 2026 | September 2025 |
|---|---|---|
| Plat | 81.6°F | 77.0°F |
| Mlini | 81.6°F | 77.0°F |
| Cavtat | 81.6°F | 77.0°F |
| Lastovo | 81.3°F | 76.8°F |
| Dubrovnik | 81.2°F | 76.7°F |
| Komiza | 81.0°F | 75.7°F |
| Novigrad | 80.6°F | 75.8°F |
| Tucepi | 80.6°F | 74.7°F |
| Makarska | 80.5°F | 74.7°F |
| Umag | 80.5°F | 75.7°F |
| Hvar | 80.4°F | 75.6°F |
| Korcula | 80.3°F | 75.9°F |
| Porec | 80.3°F | 75.8°F |
| Stari Grad | 80.3°F | 75.5°F |
| Rovinj | 80.2°F | 75.9°F |
| Pula | 80.1°F | 75.5°F |
| Vrsar | 80.1°F | 75.8°F |
| Baska Voda | 80.0°F | 74.1°F |
| Brela | 80.0°F | 74.1°F |
| Split | 79.9°F | 74.6°F |
Best time for vacation in Omis
Omis on a weather map
Places in Croatia:
Name
°F
24 Hours Forecast
Omis
Local time: 07:16
September 15, tuesday
0900
70°F
SW
7 mph
7 mph
1200
77°F
SW
2 mph
2 mph
1500
79°F
E
6 mph
6 mph
1800
77°F
E
9 mph
9 mph
2100
72°F
SW
5 mph
5 mph
September 16, wednesday
0000
68°F
SW
8 mph
8 mph
0300
66°F
SW
7 mph
7 mph
0600
64°F
SW
7 mph
7 mph
