Average sea water temperature in September:
+78.3°F
| Minimum sea water temperature in September: | 81.9°F |
| Maximum sea water temperature in September: | 75.2°F |
Daily sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 78.2°F. The highest and lowest sea temperatures during the month were 79.9°F and 75.4°F.
Monthly sea water temperature in Piraeus, °F
Which Greece resorts have warmest sea in September?
| Place name | September 2025 | September 2024 |
|---|---|---|
| Kolymbia | 81.7°F | 81.1°F |
| Faliraki | 81.6°F | 81.1°F |
| Afantou | 81.5°F | 81.0°F |
| Lindos | 81.3°F | 80.9°F |
| Rhodes | 81.2°F | 80.9°F |
| Kiotari | 81.1°F | 80.5°F |
| Ixia | 80.8°F | 80.3°F |
| Lalisos | 80.8°F | 80.3°F |
| Kalamata | 79.3°F | 80.5°F |
| Aegina | 79.1°F | 80.3°F |
| Tolo | 79.0°F | 80.4°F |
| Volos | 78.9°F | 80.1°F |
| Nafplio | 78.9°F | 80.0°F |
| Preveza | 78.7°F | 79.8°F |
| Laganas | 78.6°F | 80.9°F |
| Thessaloniki | 78.5°F | 78.8°F |
| Crete | 78.5°F | 79.8°F |
| Glyfada | 78.5°F | 79.8°F |
| Kyparissia | 78.5°F | 80.3°F |
| Rethymno | 78.4°F | 79.9°F |
Best time for vacation in Piraeus
Piraeus on a weather map
Places in Greece:
Name
°F
24 Hours Forecast
Piraeus
Local time: 14:58
December 22, monday
1500
57°F
S
11 mph
11 mph
1800
55°F
S
9 mph
9 mph
2100
54°F
S
8 mph
8 mph
December 23, tuesday
0000
52°F
S
8 mph
8 mph
0300
50°F
S
8 mph
8 mph
0600
50°F
S
7 mph
7 mph
0900
52°F
S
6 mph
6 mph
1200
57°F
S
4 mph
4 mph
