Average sea water temperature in September:
+73.7°F
| Minimum sea water temperature in September: | 82.6°F |
| Maximum sea water temperature in September: | 68.7°F |
Daily sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 75.2°F. The highest and lowest sea temperatures during the month were 77.9°F and 72.9°F.
Monthly sea water temperature in Trieste, °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 |
| 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 |
| 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 |
| Crotone | 78.7°F | 80.5°F |
| Naples | 78.6°F | 78.4°F |
| Ischia | 78.5°F | 78.2°F |
| Capri | 78.5°F | 78.3°F |
| Trapani | 78.5°F | 78.5°F |
| Cagliari | 78.4°F | 76.7°F |
| Sorrento | 78.3°F | 78.5°F |
| Paestum | 78.0°F | 78.7°F |
Best time for vacation in Trieste
Trieste on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Trieste
Local time: 21:23
April 30, thursday
0000
52°F
W
19 mph
19 mph
0300
48°F
W
19 mph
19 mph
0600
46°F
SW
21 mph
21 mph
0900
50°F
W
19 mph
19 mph
1200
57°F
SW
17 mph
17 mph
1500
61°F
W
15 mph
15 mph
1800
59°F
W
12 mph
12 mph
2100
46°F
W
8 mph
8 mph
