Average sea water temperature in September:
+73.7°F
| Minimum sea water temperature in September: | 79.2°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 2025 | September 2024 |
|---|---|---|
| Plat | 77.0°F | 77.8°F |
| Mlini | 77.0°F | 77.8°F |
| Cavtat | 77.0°F | 77.8°F |
| Lastovo | 76.8°F | 77.2°F |
| Dubrovnik | 76.7°F | 77.6°F |
| Rovinj | 75.9°F | 76.4°F |
| Korcula | 75.9°F | 76.7°F |
| Porec | 75.8°F | 76.6°F |
| Novigrad | 75.8°F | 76.6°F |
| Vrsar | 75.8°F | 76.4°F |
| Umag | 75.7°F | 76.4°F |
| Komiza | 75.7°F | 76.1°F |
| Hvar | 75.6°F | 76.5°F |
| Pula | 75.5°F | 75.9°F |
| Dugi Otok | 75.5°F | 75.2°F |
| Stari Grad | 75.5°F | 76.5°F |
| Molat | 75.0°F | 74.0°F |
| Istria | 74.8°F | 74.9°F |
| Mali Losinj | 74.8°F | 74.2°F |
| Tucepi | 74.7°F | 75.8°F |
Best time for vacation in Omis
Omis on a weather map
Places in Croatia:
Name
°F
24 Hours Forecast
Omis
Local time: 02:55
January 10, saturday
0300
43°F
S
6 mph
6 mph
0600
43°F
SW
7 mph
7 mph
0900
45°F
W
6 mph
6 mph
1200
46°F
S
6 mph
6 mph
1500
46°F
S
12 mph
12 mph
1800
41°F
S
14 mph
14 mph
2100
41°F
S
14 mph
14 mph
January 11, sunday
0000
37°F
S
12 mph
12 mph
