Weather · SeptemberDublin weather in September
Temperature, rain, what to pack and what to know
September in Dublin: an average of 14°, about 2 mm of rain for the month. Roughly 12h 21m of daylight, with light from about 06:15 to 18:35. September is one of the best months to visit Dublin: comfortable weather and little rain. Expect high-season prices and crowds.
Dublin in September
Dublin in September — what works
A good season for culture: museums, galleries, cafés, restaurants and shows. Outdoor walks work with the right clothing, but daylight is shorter — start early.
What to pack: A mid-weight coat, a warm layer underneath, and a scarf. Mornings and evenings feel cold.
Dublin in September — FAQ
Do I need a coat in Dublin in September?
Can you sit outside at cafés in Dublin in September?
Does it snow in Dublin in September?
How many hours of daylight in Dublin in September?
Is September a good time to visit Dublin?
Dublin — flights & hotels
Check prices for your dates. Booking early is well below the last-minute price.
Check flight prices to Dublin, every airline at once.
Rates in Dublin shift daily. See what your night costs now.
About this page
Written and checked by the Around the World team. We compare prices across the major providers, cross-check official sources, and update when something changes. We have no stake in any one provider — links are affiliate links, and the price is the same for you.
Sources: Climate: Open-Meteo 1991–2020 · Daylight: astronomical calculation