Dun Laoghaire Weather Conditions
Current Temperature Level
13 °C
18 AQI
Air quality index is: Good
Last Updated: 2025-09-18 11:15 (Local Time)
MapDun Laoghaire
Dun Laoghaire Weather Parameters
9 km/h
3 m/s
178° S
75 %
10 km
0.2 mm
1012 mb
UV Index1
Suggestions for
TodayDun Laoghaire18 Sep.
Hydration• Stay Hydrated
Clothing• Layering Must
Driving• Enjoy Driving
Sunscreen• ApplyTrending in Ireland
India Floods 2025: How Waterlogging Is Creating a Hidden Air Pollution Crisis?
Dun Laoghaire 10-Days Weather Forecast
Today
15°C
86 %Friday
14°C92 %Saturday
11°C95 %Sunday
12°C93 %Monday
11°C80 %Tuesday
8°C84 %Wednesday
9°C83 %Thursday
10°C80 %Friday
11°C74 %Saturday
10°C83 %Patchy rain nearby
Occasional light rain is expected and humidity will be 86%, with winds at 24.1 km/h.20°C / 11°C
Humi.86 %
Prec.0.63 mm
Sunrise
07:04 AM12hrs 29min
Sunset
07:33 PMTime
Condition
Temp
Humidity
UV
Wind Speed & Dir.
12 AM
Clear
11 °C
84 %
0
18.7 kmph / SW
Clear 
Feels 8.8 °C
Cover 11 %
Visibility 10 km
1 AM
Clear
11 °C
84 %
0
18.7 kmph / SW
Clear Feels 9.1 °C
Cover 19 %
Visibility 10 km
2 AM
Clear
11 °C
84 %
0
18.4 kmph / SW
Clear Feels 8.7 °C
Cover 14 %
Visibility 10 km
3 AM
Clear
11 °C
85 %
0
14 kmph / SW
Clear Feels 9.2 °C
Cover 15 %
Visibility 10 km
4 AM
Partly Cloudy
11 °C
89 %
0
12.6 kmph / SW
Partly Cloudy Feels 8.9 °C
Cover 29 %
Visibility 10 km
5 AM
Partly Cloudy
11 °C
89 %
0
11.5 kmph / SW
Partly Cloudy Feels 9 °C
Cover 55 %
Visibility 10 km
6 AM
Patchy rain nearby
11 °C
84 %
0
9 kmph / SSW
Patchy rain nearbyFeels 10.3 °C
Cover 91 %
Visibility 10 km
7 AM
Patchy rain nearby
12 °C
83 %
0
7.2 kmph / S
Patchy rain nearbyFeels 11.3 °C
Cover 100 %
Visibility 10 km
8 AM
Light drizzle
12 °C
87 %
0
5.4 kmph / SSW
Light drizzleFeels 12 °C
Cover 100 %
Visibility 2 km
9 AM
Patchy rain nearby
13 °C
88 %
0.2
5.4 kmph / S
Patchy rain nearbyFeels 12.7 °C
Cover 100 %
Visibility 10 km
10 AM
Patchy rain nearby
13 °C
91 %
0.3
6.1 kmph / S
Patchy rain nearbyFeels 13.2 °C
Cover 100 %
Visibility 10 km
11 AM
Moderate rain
13 °C
88 %
1.2
8.6 kmph / S
Moderate rainFeels 16.3 °C
Cover 75 %
Visibility 10 km
12 PM
Patchy rain nearby
17 °C
91 %
1.2
11.2 kmph / SSW
Patchy rain nearbyFeels 16.6 °C
Cover 100 %
Visibility 10 km
1 PM
Cloudy
18 °C
88 %
0.8
17.3 kmph / SSW
Cloudy Feels 18.1 °C
Cover 79 %
Visibility 10 km
2 PM
Partly Cloudy
19 °C
80 %
2.1
18.7 kmph / SSW
Partly Cloudy Feels 19.2 °C
Cover 50 %
Visibility 10 km
3 PM
Overcast
20 °C
79 %
2.1
22.7 kmph / SSW
Overcast Feels 19.5 °C
Cover 90 %
Visibility 10 km
4 PM
Overcast
19 °C
83 %
1.9
24.1 kmph / SSW
Overcast Feels 19 °C
Cover 95 %
Visibility 10 km
5 PM
Overcast
19 °C
85 %
0.9
24.1 kmph / SSW
Overcast Feels 18.6 °C
Cover 92 %
Visibility 10 km
6 PM
Overcast
18 °C
85 %
0.3
23.4 kmph / SSW
Overcast Feels 18.3 °C
Cover 92 %
Visibility 10 km
7 PM
Overcast
18 °C
85 %
0
23.4 kmph / SSW
Overcast Feels 18.1 °C
Cover 100 %
Visibility 10 km
8 PM
Overcast
18 °C
87 %
0
19.4 kmph / SSW
Overcast Feels 17.8 °C
Cover 100 %
Visibility 10 km
9 PM
Overcast
18 °C
85 %
0
22.3 kmph / SSW
Overcast Feels 17.7 °C
Cover 100 %
Visibility 10 km
10 PM
Overcast
17 °C
86 %
0
22.7 kmph / SSW
Overcast Feels 17.4 °C
Cover 100 %
Visibility 10 km
11 PM
Overcast
18 °C
85 %
0
22.3 kmph / SSW
Overcast Feels 17.5 °C
Cover 100 %
Visibility 10 km
Today
15°C86 %Friday
14°C92 %Saturday
11°C95 %Sunday
12°C93 %Monday
11°C80 %Tuesday
8°C84 %Wednesday
9°C83 %Thursday
10°C80 %Friday
11°C74 %Saturday
10°C83 %Temp17 °C
ConditionPatchy rain nearby
Humidity91 %
Feels16.6 °C
Cover100 %
Visibility10 km
Wind Speed & Dir.11.2 kmph / SSW
UV1.2
Dun Laoghaire 30-Days (September 2025) Weather Forecast
Sun.
Mon.
Tue.
Wed.
Thu.
Fri.
Sat.
1Mon.
16°10 °C
2Tue.
18°8 °C
3Wed.
16°9 °C
4Thu.
17°8 °C
5Fri.
18°9 °C
6Sat.
18°12 °C
7Sun.
17°10 °C
8Mon.
17°7 °C
9Tue.
15°11 °C
10Wed.
16°10 °C
11Thu.
14°10 °C
12Fri.
15°8 °C
13Sat.
15°8 °C
14Sun.
17°7 °C
15Mon.
14°12 °C
16Tue.
16°9 °C
17Wed.
19°11 °C
18Today
20°11 °C
19Fri.
15°12 °C
20Sat.
12°10 °C
21Sun.
13°11 °C
22Mon.
12°8 °C
23Tue.
13°4 °C
24Wed.
14°4 °C
25Thu.
15°5 °C
26Fri.
14°8 °C
27Sat.
14°6 °C
28Sun.
14°6 °C
29Mon.
14°6 °C
30Tue.
13°7 °C
SeptemberWeather Overview
No. of days:
Sunny
1
Cloudy
5
Rainy
24
Snowy
0
The monthly weather averages in Dun Laoghaire consist of 1 sunny days, 5 cloudy days, 24 rainy days, and 0 snowy days.
Ireland's Hottest Cities - September 2025
1.
Wexford, Ireland
Overcast
97%
0.8
33.5 kmph / SSW
2.
Clonmel, Ireland
Patchy rain nearby
98%
0.4
22 kmph / SSW
3.
Waterford, Ireland
Light drizzle
98%
0.4
28.8 kmph / SSW
4.
Ringaskiddy, Ireland
Light drizzle
100%
0.4
33.5 kmph / SSW
5.
Cobh, Ireland
Light drizzle
94%
0.4
33.5 kmph / SSW
6.
Cork, Ireland
Light drizzle
94%
0.3
22.3 kmph / SSW
7.
Roseview, Ireland
Light drizzle
100%
0.3
24.8 kmph / SSW
8.
Clonakilty, Ireland
Light drizzle
100%
0.3
22.3 kmph / SSW
9.
Killarney, Ireland
Light drizzle
94%
0.2
12.2 kmph / S
10.
Dungarvan, Ireland
Light drizzle
94%
0.3
18 kmph / SSW
Last Updated: 18 Sept 2025, 10:11 AM
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