Average sea water temperature in September:
+75.1°F
| Minimum sea water temperature in September: | 81.7°F |
| Maximum sea water temperature in September: | 70.3°F |
Daily sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 79.6°F. The highest and lowest sea temperatures during the month were 81.7°F and 76.5°F.
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| Castiglioncello |
monthly
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| Castiglioncello |
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| Castiglioncello |
14 days
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| Castiglioncello |
Monthly sea water temperature in Castiglioncello, °F
Which Italy resorts have warmest sea in September?
| Place name | September 2026 | September 2025 |
|---|---|---|
| Cefalu | 83.4°F | 79.9°F |
| Sicily | 83.3°F | 79.6°F |
| Mondello | 83.0°F | 80.1°F |
| Letojanni | 82.6°F | 78.9°F |
| Taormina | 82.5°F | 79.1°F |
| Avola | 82.5°F | 79.7°F |
| Soverato | 82.5°F | 79.2°F |
| Giardini Naxos | 82.5°F | 79.1°F |
| Catania | 82.4°F | 79.5°F |
| Santa Maria al Bagno | 82.4°F | 78.3°F |
| San Vito Lo Capo | 82.4°F | 79.0°F |
| Catanzaro | 82.4°F | 78.9°F |
| Fontane Bianche | 82.4°F | 79.6°F |
| Marina di Zambrone | 82.4°F | 79.3°F |
| Tropea | 82.4°F | 79.4°F |
| Gallipoli | 82.3°F | 78.3°F |
| Sirakuzy | 82.3°F | 79.7°F |
| Taranto | 82.3°F | 79.0°F |
| Santa Maria di Leuca | 82.3°F | 78.2°F |
| Ischia | 82.1°F | 78.5°F |
Best time for vacation in Castiglioncello
Castiglioncello on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Castiglioncello
Local time: 00:38
September 27, sunday
0300
68°F
SW
8 mph
8 mph
0600
66°F
SW
9 mph
9 mph
0900
68°F
W
7 mph
7 mph
1200
73°F
N
2 mph
2 mph
1500
73°F
NE
7 mph
7 mph
1800
73°F
E
5 mph
5 mph
2100
73°F
SE
1 mph
1 mph
September 28, monday
0000
72°F
SW
2 mph
2 mph
