Average sea water temperature in September:
+78.4°F
| Minimum sea water temperature in September: | 85.1°F |
| Maximum sea water temperature in September: | 73.0°F |
Daily sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 82.8°F. The highest and lowest sea temperatures during the month were 85.1°F and 79.5°F.
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Monthly sea water temperature in Posillipo, °F
Which Italy resorts have warmest sea in September?
| Place name | September 2026 | September 2025 |
|---|---|---|
| Cefalu | 83.9°F | 79.9°F |
| Sicily | 83.9°F | 79.6°F |
| Mondello | 83.5°F | 80.1°F |
| Avola | 83.1°F | 79.7°F |
| Marina di Zambrone | 83.0°F | 79.3°F |
| Taranto | 83.0°F | 79.0°F |
| Tropea | 83.0°F | 79.4°F |
| Santa Maria al Bagno | 83.0°F | 78.3°F |
| Ischia | 82.9°F | 78.5°F |
| Letojanni | 82.9°F | 78.9°F |
| Fontane Bianche | 82.9°F | 79.6°F |
| Santa Maria di Leuca | 82.9°F | 78.2°F |
| Soverato | 82.9°F | 79.2°F |
| Scalea | 82.9°F | 79.3°F |
| Gallipoli | 82.9°F | 78.3°F |
| Catania | 82.9°F | 79.5°F |
| Sirakuzy | 82.9°F | 79.7°F |
| Taormina | 82.9°F | 79.1°F |
| San Vito Lo Capo | 82.9°F | 79.0°F |
| Catanzaro | 82.9°F | 78.9°F |
Best time for vacation in Posillipo
Posillipo on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Posillipo
Local time: 22:55
September 22, tuesday
0000
77°F
SE
6 mph
6 mph
0300
77°F
E
4 mph
4 mph
0600
75°F
S
2 mph
2 mph
0900
75°F
W
4 mph
4 mph
1200
79°F
N
3 mph
3 mph
1500
81°F
NE
6 mph
6 mph
1800
79°F
NE
3 mph
3 mph
2100
77°F
SW
15 mph
15 mph
