World Resorts Greece Santorini Weather

Santorini Sea Temperature in September

Average sea water temperature in September:
+76.4°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
Lardos 81.3°F 80.9°F
Rhodes 81.2°F 80.9°F
Kiotari 81.1°F 80.5°F
Lalisos 80.8°F 80.3°F
Ixia 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

Best time for vacation in Santorini

Sunniest months:
July 31 days
August 30 days
June 29 days
Warmest months:
August 81.7 °F
July 80.8 °F
September 78.2 °F
Warmest sea temp:
August 77.4 °F
September 76.4 °F
July 75.8 °F
Coldest months:
January 58.2 °F
February 58.4 °F
March 59.8 °F
Rainiest months:
January 4 days
December 3 days
February 3 days
Windiest months:
January 17.5 mph
February 17.4 mph
March 16.7 mph

Santorini on a weather map

Santorini
+54°F
NE 12 mph
Feels like: +50°F
Precip.: 0%
Places in Greece:
Name
°F
+50°F
+50°F
+54°F
+52°F
+52°F
+52°F
+52°F
+54°F
+50°F
+45°F
+54°F
+45°F
+48°F
+55°F
+54°F
24 Hours Forecast
Santorini
Local time: 13:47
January 02, friday
1500
54°F
NE
12 mph
1800
57°F
NE
14 mph
2100
59°F
NE
19 mph
January 03, saturday
0000
57°F
NE
15 mph
0300
57°F
N
14 mph
0600
57°F
N
16 mph
0900
59°F
N
19 mph
1200
59°F
NE
16 mph
Units of measurement: °C / °F