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Hourly Forecast
Daylight Hours
06:55
Sunrise
19:09
Sunset
Moon
Waxing Crescent
11:42
Moonrise
20:53
Moonset
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Weather in Dublin today, September 15, 2026
Dublin keeps a mostly sunny profile on September 15, 2026, aside from a cloudier spell around 22:00. Outside that window, bright conditions should still lead the day. Morning skies stay relatively clear, holding cloud close to 5% near 07:00. The early part of the day favours being outside.
Expect highs of 26°C and cooler readings close to 15°C. The air stays humid, with relative humidity between 33% and 86% and the peak around 21:00. Winds stay light, near 7.0 km/h by 18:00, so the day feels still more than breezy.
Through the afternoon skies look more workable, with cloud near 39% around 22:00. Later outdoor plans have a clearer window than the morning may have suggested. Expect visibility near 16.1 km, with poorer spells close to 15.7 km. Expect sunrise at 06:55, sunset at 19:09, and 12 hours 13 minutes of sunlight today overall.
The practical takeaway for Dublin is a bright September 15, 2026, ideal for outdoor errands before temperatures ease from about 26°C.
Frequently asked questions about weather in Dublin
How warm does it get in Dublin?
The warmest month in Dublin is August, with average high temperatures of 28°C. The average temperature during this period is around 20°C.
How cold does it get in Dublin?
The coldest month in Dublin is December, with average low temperatures of 6°C. The average temperature during this period is around 10°C.
What is the wettest time of year in Dublin?
The wettest month in Dublin is January, with an average of 104mm of precipitation.
What is the driest time of year in Dublin?
The driest month in Dublin is July, with an average of 0mm of precipitation.
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