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
10:46
Cork
+46°F
N 18 mph
Feels like: +39°F
Precip.: 100%
Places in Ireland:
Name
°F
Dublin
+48°F
Killarney
+45°F
Cork
+46°F
Limerick
+45°F
24 Hours Forecast
Cork
Local time: 10:46
December 20, saturday
1200
46°F
N
18 mph
1500
45°F
N
6 mph
1800
39°F
E
6 mph
2100
37°F
S
7 mph
December 21, sunday
0000
36°F
S
4 mph
0300
37°F
S
4 mph
0600
39°F
S
6 mph
0900
37°F
SW
4 mph
Units of measurement: °C / °F