World Resorts Greece Piraeus Weather

Piraeus Sea Temperature in September

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
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
Bali Gr 78.4°F 79.6°F

Best time for vacation in Piraeus

Sunniest months:
July 30 days
August 30 days
June 27 days
Warmest months:
July 91.1 °F
August 90.0 °F
June 85.3 °F
Warmest sea temp:
August 80.3 °F
July 79.0 °F
September 78.3 °F
Coldest months:
January 54.3 °F
February 56.3 °F
December 57.7 °F
Rainiest months:
February 3 days
January 3 days
December 3 days
Windiest months:
August 10.6 mph
July 9.3 mph
February 9.2 mph

Piraeus on a weather map

Piraeus
+50°F
NE 4 mph
Feels like: +50°F
Precip.: 0%
Places in Greece:
Name
°F
+48°F
+48°F
+52°F
+54°F
+48°F
+54°F
+46°F
+48°F
+39°F
+57°F
+52°F
+50°F
+52°F
+48°F
24 Hours Forecast
Piraeus
Local time: 22:58
December 30, tuesday
0000
50°F
NE
4 mph
0300
52°F
E
4 mph
0600
50°F
E
4 mph
0900
50°F
E
4 mph
1200
55°F
E
9 mph
1500
57°F
NE
10 mph
1800
55°F
E
9 mph
2100
54°F
SE
7 mph
Units of measurement: °C / °F