World Resorts Ireland Cork Weather

Cork Sea Temperature in September

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

Sunniest months:
August 6 days
April 6 days
March 5 days
Warmest months:
July 65.7 °F
August 65.1 °F
June 62.5 °F
Warmest sea temp:
August 60.5 °F
July 60.4 °F
September 59.6 °F
Coldest months:
January 46.7 °F
February 48.0 °F
December 48.4 °F
Rainiest months:
December 7 days
February 6 days
October 6 days
Windiest months:
February 13.9 mph
December 13.9 mph
January 12.4 mph

Cork on a weather map

Current weather
09:47
Cork
+46°F
NW 26 mph
Feels like: +39°F
Precip.: 100%
Places in Ireland:
Name
°F
Dublin
+45°F
Killarney
+48°F
Cork
+46°F
Limerick
+45°F
24 Hours Forecast
Cork
Local time: 09:47
December 05, friday
1200
52°F
NE
17 mph
1500
50°F
NE
20 mph
1800
48°F
NE
22 mph
2100
48°F
NE
16 mph
December 06, saturday
0000
46°F
NE
15 mph
0300
48°F
E
19 mph
0600
50°F
E
21 mph
0900
48°F
E
18 mph
Units of measurement: °C / °F