Average sea water temperature in September:
+77.2°F
| Minimum sea water temperature in September: | 83.3°F |
| Maximum sea water temperature in September: | 72.7°F |
Daily sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 78.5°F. The highest and lowest sea temperatures during the month were 80.1°F and 75.9°F.
Monthly sea water temperature in Ischia, °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 |
| Lipari | 80.1°F | 79.8°F |
| Cefalu | 79.9°F | 80.0°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 |
| Pizzo | 79.0°F | 80.0°F |
| Taranto | 79.0°F | 80.0°F |
| San Vito Lo Capo | 79.0°F | 79.5°F |
| Catanzaro | 78.9°F | 80.4°F |
| Crotone | 78.7°F | 80.5°F |
| Naples | 78.6°F | 78.4°F |
| Ischia | 78.5°F | 78.2°F |
Best time for vacation in Ischia
Ischia on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Ischia
Local time: 21:57
March 19, thursday
0000
50°F
SW
12 mph
12 mph
0300
52°F
SW
6 mph
6 mph
0600
48°F
SW
9 mph
9 mph
0900
48°F
SW
7 mph
7 mph
1200
50°F
S
8 mph
8 mph
1500
52°F
SE
5 mph
5 mph
1800
55°F
E
11 mph
11 mph
2100
55°F
S
6 mph
6 mph
