Average sea water temperature in September:
+59.6°F
| Minimum sea water temperature in September: | 63.9°F |
| Maximum sea water temperature in September: | 55.6°F |
Daily sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 60.1°F. The highest and lowest sea temperatures during the month were 62.8°F and 58.3°F.
Monthly sea water temperature in Cork, °F
Which Ireland resorts have warmest sea in September?
| Place name | September 2025 | September 2024 |
|---|---|---|
| Cork | 60.1°F | 59.4°F |
| Dublin | 59.9°F | 58.7°F |
| Limerick | 59.7°F | 60.2°F |
| Killarney | 59.7°F | 59.4°F |
Best time for vacation in Cork
Cork on a weather map
24 Hours Forecast
Cork
Local time: 01:49
February 04, wednesday
0300

43°F
NW
9 mph
9 mph
0600

41°F
W
9 mph
9 mph
0900

45°F
W
13 mph
13 mph
1200

46°F
W
16 mph
16 mph
1500

46°F
W
16 mph
16 mph
1800

45°F
W
17 mph
17 mph
2100

45°F
W
19 mph
19 mph
February 05, thursday
0000

45°F
W
22 mph
22 mph

























