World Resorts Ireland Killarney Weather

Killarney 14 Days Forecast

18.09
fri
Day
57°F
NE 9 mph
Precip.
66%
Night
59°F
NE 9 mph
Precip.
54%
19.09
sat
Day
57°F
E 11 mph
Precip.
22%
Night
48°F
NE 4 mph
Precip.
38%
20.09
sun
Day
54°F
N 5 mph
Precip.
29%
Night
61°F
NE 4 mph
Precip.
43%
21.09
mon
Day
68°F
NE 3 mph
Precip.
6%
Night
57°F
N 4 mph
Precip.
20%
22.09
tue
Day
64°F
N 2 mph
Precip.
19%
Night
55°F
NW 3 mph
Precip.
35%
23.09
wed
Day
64°F
N 5 mph
Precip.
22%
Night
55°F
SW 3 mph
Precip.
26%
24.09
thu
Day
63°F
NW 4 mph
Precip.
8%
Night
54°F
NW 6 mph
Precip.
33%
25.09
fri
Day
63°F
NW 6 mph
Precip.
6%
Night
54°F
NW 5 mph
Precip.
20%
26.09
sat
Day
63°F
NW 4 mph
Precip.
7%
Night
54°F
SW 4 mph
Precip.
23%
27.09
sun
Day
61°F
SW 6 mph
Precip.
7%
Night
52°F
S 5 mph
Precip.
33%
28.09
mon
Day
54°F
SW 8 mph
Precip.
25%
Night
50°F
S 6 mph
Precip.
27%
29.09
tue
Day
54°F
SW 7 mph
Precip.
26%
Night
50°F
SW 4 mph
Precip.
14%
30.09
wed
Day
54°F
W 9 mph
Precip.
8%
Night
43°F
W 4 mph
Precip.
20%
01.10
thu
Day
54°F
NW 11 mph
Precip.
15%
Night
46°F
NW 4 mph
Precip.
27%

Sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 62.0°F. The highest and lowest sea temperatures during the month were 63.1°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 56.1°F. The highest and lowest sea temperatures during the month were 58.1°F and 53.6°F.

Air temperature in Killarney, °F

Precipitation total in Killarney, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Killarney

Sunniest months:
April 5 days
May 4 days
March 4 days
Warmest months:
July 64.9 °F
August 64.0 °F
June 62.0 °F
Warmest sea temp:
August 61.4 °F
July 60.9 °F
September 59.0 °F
Coldest months:
January 45.4 °F
December 46.9 °F
February 47.1 °F
Rainiest months:
December 9 days
January 9 days
November 8 days
Windiest months:
February 11.6 mph
December 11.1 mph
January 10.1 mph

Killarney on a weather map

Killarney
+54°F
NE 10 mph
Feels like: +50°F
Precip.: 27%
Places in Ireland:
Name
°F
+54°F
+54°F
+54°F
+52°F
24 Hours Forecast
Killarney
Local time: 09:21
September 18, friday
1200
57°F
NE
9 mph
1500
61°F
NE
12 mph
1800
59°F
NE
11 mph
2100
57°F
NE
9 mph
September 19, saturday
0000
59°F
NE
9 mph
0300
59°F
E
10 mph
0600
55°F
E
9 mph
0900
55°F
E
7 mph
Units of measurement: °C / °F