Average sea water temperature in September:
+77.1°F
| Minimum sea water temperature in September: | 80.4°F |
| Maximum sea water temperature in September: | 71.8°F |
Daily sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 76.2°F. The highest and lowest sea temperatures during the month were 77.5°F and 74.7°F.
Monthly sea water temperature in Kos, °F
Which Greece resorts have warmest sea in September?
| Place name | September 2026 | September 2025 |
|---|---|---|
| Laganas | 83.5°F | 78.6°F |
| Kavos | 83.4°F | 77.7°F |
| Messonghi | 83.4°F | 77.7°F |
| Moraitika | 83.4°F | 77.7°F |
| Benitses | 83.3°F | 77.8°F |
| Lefkada | 83.1°F | 78.2°F |
| Kalamata | 83.1°F | 79.3°F |
| Kerkira | 83.0°F | 77.6°F |
| Agios Gordis | 83.0°F | 77.3°F |
| Skafidia | 83.0°F | 77.9°F |
| Zakynthos | 83.0°F | 78.3°F |
| Nissaki | 82.6°F | 76.8°F |
| Barbati | 82.6°F | 76.8°F |
| Dassia | 82.5°F | 77.2°F |
| Corfu | 82.5°F | 76.9°F |
| Paleokastritsa | 82.3°F | 75.8°F |
| Acharavi | 82.3°F | 76.3°F |
| Thessaloniki | 82.3°F | 78.5°F |
| Sidari | 82.1°F | 75.7°F |
| Cephalonia | 82.1°F | 77.2°F |
Best time for vacation in Kos
Kos on a weather map
Places in Greece:
Name
°F
24 Hours Forecast
Kos
Local time: 08:07
September 15, tuesday
0900

73°F
S
14 mph
14 mph
1200

73°F
SE
15 mph
15 mph
1500

73°F
SE
20 mph
20 mph
1800

75°F
SE
19 mph
19 mph
2100

75°F
SE
14 mph
14 mph
September 16, wednesday
0000

75°F
SE
14 mph
14 mph
0300

75°F
SE
14 mph
14 mph
0600

73°F
SE
11 mph
11 mph

























