Average sea water temperature in September:
+76.4°F
| Minimum sea water temperature in September: | 81.7°F |
| Maximum sea water temperature in September: | 71.6°F |
Daily sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 77.2°F. The highest and lowest sea temperatures during the month were 78.3°F and 75.2°F.
Monthly sea water temperature in Nettuno, °F
Which Italy resorts have warmest sea in September?
| Place name | September 2025 | September 2024 |
|---|---|---|
| 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 |
| Marina di Zambrone | 79.3°F | 80.0°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 |
| San Vito Lo Capo | 79.0°F | 79.5°F |
| Villasimus | 79.0°F | 77.5°F |
| Letojanni | 78.9°F | 80.2°F |
| Catanzaro | 78.9°F | 80.4°F |
| Naples | 78.6°F | 78.4°F |
| Ischia | 78.5°F | 78.2°F |
| Capri | 78.5°F | 78.3°F |
Best time for vacation in Nettuno
Nettuno on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Nettuno
Local time: 19:51
August 26, wednesday
2100
79°F
E
5 mph
5 mph
August 27, thursday
0000
77°F
SW
2 mph
2 mph
0300
77°F
NE
3 mph
3 mph
0600
75°F
W
6 mph
6 mph
0900
86°F
NW
6 mph
6 mph
1200
90°F
N
11 mph
11 mph
1500
91°F
N
9 mph
9 mph
1800
90°F
N
6 mph
6 mph
