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 |
| 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 |
| Pilos | 78.8°F | 80.6°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: 01:39
January 13, tuesday
0300
37°F
SE
6 mph
6 mph
0600
37°F
S
6 mph
6 mph
0900
41°F
S
2 mph
2 mph
1200
46°F
NE
3 mph
3 mph
1500
48°F
NE
5 mph
5 mph
1800
45°F
NE
4 mph
4 mph
2100
45°F
NE
3 mph
3 mph
January 14, wednesday
0000
45°F
E
2 mph
2 mph
