Average sea water temperature in September:
+76.3°F
| Minimum sea water temperature in September: | 83.5°F |
| Maximum sea water temperature in September: | 71.2°F |
Daily sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 79.9°F. The highest and lowest sea temperatures during the month were 83.5°F and 77.4°F.
Monthly sea water temperature in Ostia, °F
Which Italy resorts have warmest sea in September?
| Place name | September 2026 | September 2025 |
|---|---|---|
| Cefalu | 82.7°F | 79.9°F |
| Sicily | 82.7°F | 79.6°F |
| Mondello | 82.4°F | 80.1°F |
| Avola | 82.1°F | 79.7°F |
| Letojanni | 82.1°F | 78.9°F |
| Taormina | 82.1°F | 79.1°F |
| Giardini Naxos | 82.0°F | 79.1°F |
| Catania | 82.0°F | 79.5°F |
| Soverato | 81.9°F | 79.2°F |
| Fontane Bianche | 81.9°F | 79.6°F |
| Catanzaro | 81.8°F | 78.9°F |
| Sirakuzy | 81.8°F | 79.7°F |
| San Vito Lo Capo | 81.7°F | 79.0°F |
| Tropea | 81.6°F | 79.4°F |
| Marina di Ragusa | 81.6°F | 79.1°F |
| Taranto | 81.6°F | 79.0°F |
| Pizzo | 81.4°F | 79.0°F |
| Palermo | 81.4°F | 79.5°F |
| Capo Vaticano | 81.3°F | 79.2°F |
| Ischia | 81.3°F | 78.5°F |
Best time for vacation in Ostia
Ostia on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Ostia
Local time: 11:33
November 14, saturday
1200
63°F
SW
3 mph
3 mph
1500
63°F
W
1 mph
1 mph
1800
54°F
SW
2 mph
2 mph
2100
52°F
SW
4 mph
4 mph
November 15, sunday
0000
54°F
W
6 mph
6 mph
0300
55°F
NW
8 mph
8 mph
0600
57°F
NW
10 mph
10 mph
0900
59°F
NW
9 mph
9 mph
