21.09
mon
mon
Day
70°F
E 6 mph
Precip.
5%
5%
Night
59°F
NE 4 mph
Precip.
19%
19%
22.09
tue
tue
Day
68°F
NE 4 mph
Precip.
5%
5%
Night
55°F
E 4 mph
Precip.
38%
38%
23.09
wed
wed
Day
57°F
SE 7 mph
Precip.
11%
11%
Night
50°F
N 4 mph
Precip.
23%
23%
24.09
thu
thu
Day
63°F
N 9 mph
Precip.
13%
13%
Night
57°F
NE 6 mph
Precip.
28%
28%
25.09
fri
fri
Day
50°F
NE 3 mph
Precip.
47%
47%
Night
54°F
E 6 mph
Precip.
31%
31%
26.09
sat
sat
Day
55°F
SE 3 mph
Precip.
17%
17%
Night
50°F
NE 5 mph
Precip.
13%
13%
27.09
sun
sun
Day
54°F
E 15 mph
Precip.
12%
12%
Night
46°F
E 7 mph
Precip.
30%
30%
28.09
mon
mon
Day
59°F
NE 8 mph
Precip.
13%
13%
Night
54°F
N 8 mph
Precip.
12%
12%
29.09
tue
tue
Day
61°F
N 9 mph
Precip.
5%
5%
Night
52°F
N 6 mph
Precip.
19%
19%
30.09
wed
wed
Day
61°F
NW 8 mph
Precip.
5%
5%
Night
52°F
N 4 mph
Precip.
25%
25%
01.10
thu
thu
Day
59°F
NW 7 mph
Precip.
14%
14%
Night
54°F
N 5 mph
Precip.
19%
19%
02.10
fri
fri
Day
61°F
NW 4 mph
Precip.
14%
14%
Night
54°F
NW 2 mph
Precip.
8%
8%
03.10
sat
sat
Day
64°F
W 6 mph
Precip.
15%
15%
Night
55°F
W 8 mph
Precip.
16%
16%
04.10
sun
sun
Day
57°F
NW 8 mph
Precip.
64%
64%
Night
55°F
NW 6 mph
Precip.
25%
25%
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 61.7°F. The highest and lowest sea temperatures during the month were 62.4°F and 60.8°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 56.8°F. The highest and lowest sea temperatures during the month were 58.5°F and 54.3°F.
Air temperature in Dublin, °F
Precipitation total in Dublin, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Dublin
Dublin on a weather map
24 Hours Forecast
Dublin
Local time: 21:30
September 22, tuesday
0000
59°F
NE
4 mph
4 mph
0300
59°F
NE
5 mph
5 mph
0600
61°F
NE
5 mph
5 mph
0900
61°F
NE
4 mph
4 mph
1200
68°F
NE
4 mph
4 mph
1500
68°F
E
2 mph
2 mph
1800
64°F
NE
4 mph
4 mph
2100
59°F
NE
4 mph
4 mph
