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 |
| 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 |
| Briatico | 79.2°F | 80.0°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 |
| Villasimus | 79.0°F | 77.5°F |
| Letojanni | 78.9°F | 80.2°F |
| Catanzaro | 78.9°F | 80.4°F |
Best time for vacation in Trieste
Trieste on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Trieste
Local time: 11:46
December 20, saturday
1200
54°F
SW
2 mph
2 mph
1500
54°F
S
2 mph
2 mph
1800
48°F
SW
4 mph
4 mph
2100
46°F
W
5 mph
5 mph
December 21, sunday
0000
45°F
W
5 mph
5 mph
0300
43°F
W
6 mph
6 mph
0600
43°F
W
5 mph
5 mph
0900
46°F
W
5 mph
5 mph
