Average sea water temperature in September:
+77.9°F
| Minimum sea water temperature in September: | 83.3°F |
| Maximum sea water temperature in September: | 73.0°F |
Daily sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 78.6°F. The highest and lowest sea temperatures during the month were 80.2°F and 75.9°F.
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Monthly sea water temperature in Posillipo, °F
Which Italy resorts have warmest sea in September?
| Place name | September 2025 | September 2024 |
|---|---|---|
| Lampedusa | 80.8°F | 81.5°F |
| Mondello | 80.1°F | 79.6°F |
| Cefalu | 79.9°F | 80.0°F |
| Avola | 79.7°F | 80.3°F |
| Sirakuzy | 79.7°F | 80.1°F |
| Sicily | 79.6°F | 79.7°F |
| Catania | 79.5°F | 80.3°F |
| Palermo | 79.5°F | 79.0°F |
| Tropea | 79.4°F | 79.8°F |
| Scalea | 79.3°F | 79.6°F |
| Capo Vaticano | 79.2°F | 79.5°F |
| Giardini Naxos | 79.1°F | 80.3°F |
| Taormina | 79.1°F | 80.3°F |
| Marina di Ragusa | 79.1°F | 78.4°F |
| Pizzo | 79.0°F | 80.0°F |
| Taranto | 79.0°F | 80.0°F |
| San Vito Lo Capo | 79.0°F | 79.5°F |
| Letojanni | 78.9°F | 80.2°F |
| Catanzaro | 78.9°F | 80.4°F |
| Crotone | 78.7°F | 80.5°F |
Best time for vacation in Posillipo
Posillipo on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Posillipo
Local time: 18:53
January 08, thursday
2100
46°F
NW
1 mph
1 mph
January 09, friday
0000
46°F
NW
2 mph
2 mph
0300
48°F
NW
6 mph
6 mph
0600
50°F
NW
8 mph
8 mph
0900
52°F
NE
4 mph
4 mph
1200
54°F
E
11 mph
11 mph
1500
55°F
E
17 mph
17 mph
1800
55°F
E
18 mph
18 mph
