See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
30°
Clear
Feels Like: 32°
Min: 13°
Max: 30°
The next few hours will be clear, with today reaching 30°C and dropping to 20°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:19
Sunrise
19:34
Sunset
Moon
Waxing Crescent
12:07
Moonrise
21:09
Moonset
Daily Forecast
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Weather in Dublin today, September 15, 2026
Dublin starts September 15, 2026 under largely sunny skies, with bright spells setting the tone from the outset. Outdoor plans should enjoy long stretches of open sky as the day unfolds.
The temperature range runs from about 13°C up to 30°C. Moisture in the air spans 49%-87%, with the highest values around 23:00. Winds stay light, near 4.0 km/h by 16:00, so the day feels still more than breezy.
Afternoon conditions open up, holding cloud close to 0% near 16:00. The day finishes on a milder, brighter note. Expect visibility around 16.1 km. Expect sunrise at 07:19, sunset at 19:34, and 12 hours 14 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 30°C.
Frequently asked questions about weather in Dublin
How warm does it get in Dublin?
The warmest month in Dublin is July, with average high temperatures of 29°C. The average temperature during this period is around 24°C.
How cold does it get in Dublin?
The coldest month in Dublin is January, with average low temperatures of -4°C. The average temperature during this period is around -1°C.
What is the wettest time of year in Dublin?
The wettest month in Dublin is May, with an average of 127mm of precipitation.
What is the driest time of year in Dublin?
The driest month in Dublin is August, with an average of 73mm of precipitation.