24 Sept – 11 Oct 2026
Dublin Theatre Festival 2026
Multiple venues across Dublin
Ireland's leading international theatre festival, bringing Irish and international productions to venues across the city over more than two weeks.
Real, sourced events — festivals, sport, seasonal happenings and more. Every listing links to an official source; nothing here is estimated or invented.
24 Sept – 11 Oct 2026
Multiple venues across Dublin
Ireland's leading international theatre festival, bringing Irish and international productions to venues across the city over more than two weeks.
26 Sept – 11 Oct 2026
Multiple venues across Dublin
An annual programme of free talks, tours and events exploring Irish and international history, held at venues across the city — booking recommended as places are limited.
2 Oct – 31 Oct 2026
Newbridge House & Farm · Donabate
An illuminated outdoor trail of hand-carved and lit pumpkin displays at Newbridge House & Farm, with a sensory-friendly evening on 11 October. Entry is time-slotted and advance booking is recommended.
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23 Oct – 26 Oct 2026
Multiple venues across Dublin
Dublin City Council's citywide Halloween festival over the October Bank Holiday weekend, mixing free and ticketed events inspired by Dublin-born Bram Stoker. The full 2026 programme is announced in late September — check the official site closer to the date for confirmed listings.
25 October 2026
City centre course, start/finish Fitzwilliam Street
Ireland's biggest marathon, with tens of thousands of runners taking a route through Dublin city centre. Free to watch as a spectator; road closures affect the city centre for most of the day.
31 Oct – 2 Nov 2026
National Museum of Ireland – Decorative Arts & History, Collins Barracks · Benburb Street
Free Halloween mask-making workshops and guided tours at Collins Barracks, all ages, no booking required.
6 November 2026
Aviva Stadium · Lansdowne Road
Ireland open their inaugural Nations Championship campaign against Argentina, kicking off at 20:10 under Friday Night Lights.
14 November 2026
Aviva Stadium · Lansdowne Road
Ireland's second home fixture of the inaugural Nations Championship, kicking off at 20:10.

18 Nov – 22 Dec 2026
St Stephen's Green · City Centre
A continental-style Christmas market with stalls in and around St Stephen's Green. Free to browse; individual stalls charge for food and drink.
21 November 2026
Aviva Stadium · Lansdowne Road
Ireland's final home fixture of the inaugural Nations Championship's Northern Series, kicking off at 16:40.
30 Dec 2026 – 1 Jan 2027
Multiple venues across Dublin
A three-day citywide programme of concerts and events running into the New Year, including a New Year's Eve countdown concert. Some events are ticketed; check the official site for the current year's venues, since past editions have used Dublin Castle, which is closed to the public for most of the second half of 2026.
20 Jan – 24 Jan 2027
Multiple venues, including Temple Bar · Temple Bar and citywide
Ireland's largest traditional and folk music festival, with hundreds of musicians playing historic and unusual venues across Dublin. Admission to almost all of the Smithwick's Sessions in Temple Bar is free.
18 Feb – 28 Feb 2027
Multiple cinemas across Dublin
Ireland's leading film festival, screening Irish and international features, documentaries and shorts across Dublin cinemas.
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13 Mar – 17 Mar 2027
Citywide, parade route from Parnell Square to Kevin Street
Ireland's national festival, five days of free events culminating in the National St Patrick's Day Parade on 17 March, starting at 12pm and running from Parnell Square down O'Connell Street to Kevin Street.