World Resorts Italy Trieste Weather

Trieste Sea Temperature in September

Average sea water temperature in September:
+73.9°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:
2026
2025
2024

The average sea water temperature in September of 2026 was 77.1°F. The highest and lowest sea temperatures during the month were 81.7°F and 72.9°F.

Monthly sea water temperature in Trieste, °F

Which Italy resorts have warmest sea in September?

Place name September 2026 September 2025
Cefalu 82.7°F 79.9°F
Sicily 82.7°F 79.6°F
Mondello 82.4°F 80.1°F
Avola 82.1°F 79.7°F
Letojanni 82.1°F 78.9°F
Taormina 82.1°F 79.1°F
Giardini Naxos 82.0°F 79.1°F
Catania 82.0°F 79.5°F
Soverato 81.9°F 79.2°F
Fontane Bianche 81.9°F 79.6°F
Catanzaro 81.8°F 78.9°F
Sirakuzy 81.8°F 79.7°F
San Vito Lo Capo 81.7°F 79.0°F
Santa Maria al Bagno 81.7°F 78.3°F
Gallipoli 81.7°F 78.3°F
Tropea 81.6°F 79.4°F
Santa Maria di Leuca 81.5°F 78.2°F
Pizzo 81.4°F 79.0°F
Palermo 81.4°F 79.5°F
Capo Vaticano 81.3°F 79.2°F

Best time for vacation in Trieste

Sunniest months:
August 22 days
July 21 days
June 19 days
Warmest months:
August 84.4 °F
July 83.9 °F
June 79.1 °F
Warmest sea temp:
August 78.5 °F
July 78.2 °F
September 73.9 °F
Coldest months:
January 44.7 °F
December 47.2 °F
February 47.7 °F
Rainiest months:
May 7 days
November 6 days
September 6 days
Windiest months:
February 6.4 mph
March 6.3 mph
November 6.2 mph

Trieste on a weather map

Trieste
+57°F
W 5 mph
Feels like: +57°F
Precip.: 3%
Places in Italy:
Name
°F
+70°F
+70°F
+59°F
+66°F
+55°F
+72°F
+73°F
+68°F
+68°F
+63°F
+68°F
+52°F
+68°F
+72°F
24 Hours Forecast
Trieste
Local time: 21:18
October 05, monday
0000
55°F
W
7 mph
0300
54°F
W
6 mph
0600
52°F
W
6 mph
0900
59°F
W
6 mph
1200
70°F
W
1 mph
1500
72°F
E
4 mph
1800
64°F
S
2 mph
2100
57°F
SW
5 mph
Units of measurement: °C / °F