World Resorts Greece Santorini Weather

Santorini Sea Temperature in September

Average sea water temperature in September:
+76.3°F
Minimum sea water temperature in September: 80.1°F
Maximum sea water temperature in September: 72.1°F

Daily sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 75.9°F. The highest and lowest sea temperatures during the month were 77.4°F and 73.9°F.

Monthly sea water temperature in Santorini, °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
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
Laganas 78.6°F 80.9°F
Thessaloniki 78.5°F 78.8°F
Glyfada 78.5°F 79.8°F
Crete 78.5°F 79.8°F
Rethymno 78.4°F 79.9°F
Bali Gr 78.4°F 79.6°F
Athens 78.3°F 79.7°F
Zakynthos 78.3°F 80.7°F
Piraeus 78.2°F 79.6°F
Panormo 78.2°F 79.6°F

Best time for vacation in Santorini

Sunniest months:
July 31 days
August 30 days
June 29 days
Warmest months:
August 81.3 °F
July 80.5 °F
September 78.2 °F
Warmest sea temp:
August 77.3 °F
September 76.4 °F
July 75.8 °F
Coldest months:
January 58.2 °F
February 58.5 °F
March 59.7 °F
Rainiest months:
January 4 days
December 3 days
February 3 days
Windiest months:
January 17.7 mph
February 17.7 mph
March 16.7 mph

Santorini on a weather map

Santorini
+73°F
S 9 mph
Feels like: +77°F
Precip.: 7%
Places in Greece:
Name
°F
+72°F
+70°F
+73°F
+72°F
+73°F
+72°F
+72°F
+77°F
+68°F
+72°F
+64°F
+72°F
+72°F
+75°F
24 Hours Forecast
Santorini
Local time: 08:56
September 14, monday
0900
73°F
S
9 mph
1200
75°F
S
7 mph
1500
75°F
S
9 mph
1800
75°F
S
12 mph
2100
73°F
S
11 mph
September 15, tuesday
0000
73°F
S
9 mph
0300
73°F
S
9 mph
0600
73°F
S
11 mph
Units of measurement: °C / °F