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
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 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
+48°F
S 31 mph
Feels like: +41°F
Precip.: 0%
Places in Greece:
Name
°F
+43°F
+41°F
+48°F
+45°F
+48°F
+46°F
+45°F
+45°F
+37°F
+48°F
+34°F
+41°F
+46°F
+46°F
24 Hours Forecast
Santorini
Local time: 11:07
January 01, thursday
1200
48°F
S
31 mph
1500
48°F
S
24 mph
1800
50°F
S
21 mph
2100
50°F
S
17 mph
January 02, friday
0000
50°F
S
12 mph
0300
50°F
SE
12 mph
0600
50°F
SE
9 mph
0900
52°F
E
8 mph
Units of measurement: °C / °F