Measurements:
°C
°F
Killarney
54°F
NW 14 mph
Feels like: 50°F
Precip: 30%
World Resorts Ireland Killarney Weather

14 Day Weather Forecast

09.29
tue
DAY
62°F
NW 25 mph
precip
33%
NIGHT
52°F
N 11 mph
precip
44%
09.30
wed
DAY
56°F
NE 12 mph
precip
27%
NIGHT
48°F
N 6 mph
precip
41%
10.01
thu
DAY
54°F
N 11 mph
precip
43%
NIGHT
54°F
N 5 mph
precip
64%
10.02
fri
DAY
60°F
NE 6 mph
precip
21%
NIGHT
50°F
N 6 mph
precip
39%
10.03
sat
DAY
58°F
N 6 mph
precip
50%
NIGHT
52°F
SE 4 mph
precip
48%
10.04
sun
DAY
54°F
NE 8 mph
precip
20%
NIGHT
44°F
S 4 mph
precip
27%
10.05
mon
DAY
54°F
S 3 mph
precip
5%
NIGHT
44°F
NW 1 mph
precip
12%
10.06
tue
DAY
56°F
NE 2 mph
precip
7%
NIGHT
48°F
NE 4 mph
precip
34%
10.07
wed
DAY
48°F
NW 7 mph
precip
42%
NIGHT
44°F
S 4 mph
precip
16%
10.08
thu
DAY
50°F
S 4 mph
precip
6%
NIGHT
46°F
NE 4 mph
precip
28%
10.09
fri
DAY
56°F
E 10 mph
precip
18%
NIGHT
50°F
NE 6 mph
precip
35%
10.10
sat
DAY
52°F
E 9 mph
precip
29%
NIGHT
46°F
NE 5 mph
precip
31%
10.11
sun
DAY
48°F
SE 11 mph
precip
61%
NIGHT
42°F
E 7 mph
precip
36%

Killarney Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Killarney was 63.0°F. The maximum and minimum values were 61.6°F and 64.6°F respectively.

Killarney on the Weather Map

Best Time to Visit Killarney
The most sunny months:
April 5 days
May 4 days
March 4 days
The most warm months:
July 66.6 °F
August 65.5 °F
June 63.4 °F
Warmest sea temperature:
August 62.6 °F
July 62.1 °F
September 60.2 °F
The most cold months:
January 44.8 °F
December 46.6 °F
February 46.8 °F
The most rainy months:
December 9 days
January 9 days
November 8 days
The most windy months:
February 11 mph
December 11 mph
January 10 mph
Ireland Resorts:
NAME
F°
Cork +56
Dublin +50
Killarney +54
Limerick +52
24 Hours Weather Forecast
Killarney
Local time: 00:48
29 sep, tuesday
0300 54°F
NW
17 mph
0600 56°F
NW
17 mph
0900 58°F
NW
22 mph
1200 62°F
NW
25 mph
1500 62°F
NW
33 mph
1800 62°F
N
32 mph
2100 56°F
N
13 mph
30 sep, wednesday
0000 52°F
N
11 mph