18.09
fri
fri
Day
55°F
NE 14 mph
Precip.
52%
52%
Night
59°F
NE 14 mph
Precip.
32%
32%
19.09
sat
sat
Day
63°F
E 11 mph
Precip.
15%
15%
Night
52°F
E 2 mph
Precip.
29%
29%
20.09
sun
sun
Day
55°F
NW 2 mph
Precip.
21%
21%
Night
55°F
N 4 mph
Precip.
43%
43%
21.09
mon
mon
Day
68°F
NE 8 mph
Precip.
6%
6%
Night
55°F
N 3 mph
Precip.
42%
42%
22.09
tue
tue
Day
64°F
N 4 mph
Precip.
20%
20%
Night
55°F
N 2 mph
Precip.
39%
39%
23.09
wed
wed
Day
64°F
SE 4 mph
Precip.
12%
12%
Night
55°F
NW 4 mph
Precip.
41%
41%
24.09
thu
thu
Day
68°F
N 12 mph
Precip.
8%
8%
Night
57°F
E 2 mph
Precip.
40%
40%
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 61.9°F. The highest and lowest sea temperatures during the month were 63.9°F and 60.3°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 56.7°F. The highest and lowest sea temperatures during the month were 58.3°F and 55.4°F.
Air temperature in Cork, °F
Precipitation total in Cork, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Cork
Cork on a weather map
24 Hours Forecast
Cork
Local time: 10:10
September 18, friday
1200
55°F
NE
14 mph
14 mph
1500
63°F
NE
16 mph
16 mph
1800
61°F
NE
14 mph
14 mph
2100
59°F
NE
13 mph
13 mph
September 19, saturday
0000
59°F
NE
14 mph
14 mph
0300
61°F
NE
12 mph
12 mph
0600
59°F
E
11 mph
11 mph
0900
57°F
E
7 mph
7 mph
