Current sea water temperature:
+79.5°F
| Minimum sea water temperature in September: | 81.3°F |
| Maximum sea water temperature in September: | 74.8°F |
| Average sea water temperature in September: | 78.1°F |
| more information | |
14 days
forecast
forecast
| Heraklion |
monthly
weather
weather
| Heraklion |
Sea water temperature for the last 10 days:
| September 14 | 79.5°F | September 9 | 79.5°F |
| September 13 | 79.0°F | September 8 | 79.3°F |
| September 12 | 79.3°F | September 7 | 79.0°F |
| September 11 | 79.0°F | September 6 | 79.2°F |
| September 10 | 79.0°F | September 5 | 79.3°F |
Monthly sea water temperature, °F
When is the warmest sea in Heraklion?
Based on the data about daily sea water temperature for the last three years the warmest sea in Heraklion was noticed in August, July and September.
Monthly Sea Temperatures in Heraklion, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 79.7°F. The highest and lowest sea temperatures during the month were 80.8°F and 78.8°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 79.1°F. The highest and lowest sea temperatures during the month were 81.5°F and 76.8°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 77.9°F. The highest and lowest sea temperatures during the month were 79.5°F and 74.8°F.
current
weather
weather
| Heraklion |
weather in
September
September
| Heraklion |
Best time for vacation in Heraklion
Heraklion on a weather map
Places in Greece:
Name
°F
24 Hours Forecast
Heraklion
Local time: 17:54
September 14, monday
1800
75°F
S
9 mph
9 mph
2100
70°F
S
4 mph
4 mph
September 15, tuesday
0000
68°F
S
3 mph
3 mph
0300
68°F
S
4 mph
4 mph
0600
66°F
S
2 mph
2 mph
0900
72°F
S
6 mph
6 mph
1200
77°F
S
11 mph
11 mph
1500
77°F
S
13 mph
13 mph
