Current sea water temperature:
+61.5°F
| Minimum sea water temperature in September: | 64.4°F |
| Maximum sea water temperature in September: | 55.8°F |
| Average sea water temperature in September: | 59.2°F |
| more information | |
14 days
forecast
forecast
| Killarney |
monthly
weather
weather
| Killarney |
Sea water temperature for the last 10 days:
| September 18 | 61.5°F | September 13 | 60.8°F |
| September 17 | 62.1°F | September 12 | 61.3°F |
| September 16 | 62.1°F | September 11 | 61.2°F |
| September 15 | 62.2°F | September 10 | 60.8°F |
| September 14 | 61.3°F | September 9 | 62.1°F |
Monthly sea water temperature, °F
When is the warmest sea in Killarney?
Based on the data about daily sea water temperature for the last three years the warmest sea in Killarney was noticed in August, July and September.
Monthly Sea Temperatures in Killarney, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 64.3°F. The highest and lowest sea temperatures during the month were 65.5°F and 63.1°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 64.9°F. The highest and lowest sea temperatures during the month were 68.0°F and 62.4°F.
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.
current
weather
weather
| Killarney |
weather in
September
September
| Killarney |
Best time for vacation in Killarney
Killarney on a weather map
24 Hours Forecast
Killarney
Local time: 09:22
September 18, friday
1200
57°F
NE
9 mph
9 mph
1500
61°F
NE
12 mph
12 mph
1800
59°F
NE
11 mph
11 mph
2100
57°F
NE
9 mph
9 mph
September 19, saturday
0000
59°F
NE
9 mph
9 mph
0300
59°F
E
10 mph
10 mph
0600
55°F
E
9 mph
9 mph
0900
55°F
E
7 mph
7 mph
