Events in Cardiff — September 2026

September 2026: events in Cardiff.

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October 2026

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A boy seen from behind holds the string of a red kite flying over a grassy field at sunset. — AI-generated illustration

Ongoing · ends May 31, 2027

Cardiff - Interactive Treasure Hunt & Exploration Game for up to 5

National Museum Cardiff · Cardiff

From £29

Visitors walking through a bright modern museum gallery with large artworks — AI-generated illustration

Ongoing · ends Nov 15

Royal Mint Tour & Exhibition

The Royal Mint Experience · Cardiff

From £18

Speaker at a podium addressing a seated audience — AI-generated illustration

Ongoing · ends Oct 24

The Black Gold Underground Experience

A Welsh Coal Mining Experience · Cardiff

From £12

Three panel speakers seen from behind at a draped table facing a packed theatre audience under bright stage lights — AI-generated illustration

Ongoing · ends Dec 31

Guided Cycle Tours of Cardiff

Little Man Coffee · Cardiff

From £25

People strolling through a historic old-town square lit with string lights at dusk — AI-generated illustration

Ongoing · ends Mar 20, 2027

Cardiff Bay Boat Tour

Cardiff Cruises · Cardiff

From £16

Walking tour group with an umbrella on a cobbled street — AI-generated illustration

Ongoing · ends Mar 20, 2027

Complete Cardiff Doctor Who Walking Tour

Wales National War Memorial · Cardiff

From £170

People in winter coats climbing snowy steps to a lamp-lit theatre entrance — AI-generated illustration

Ongoing · ends Mar 20, 2027

The Ghosts of Llandaff: A Self-Guided Audio Tour

Cathedral Close · Cardiff

From £5

Ongoing · ends Mar 20, 2027

Cardiff Private Dark History Tour

John Batchelor Statue · Cardiff

From £140

Evening street lined with lanterns and cafe lights leading to a historic church square — AI-generated illustration

Ongoing · ends Mar 20, 2027

Cardiff’s Bay and Waterfront: A Self-Guided Audio Tour

CF10 4PA · Cardiff

From £7

String quartet in silhouette at the end of a stone colonnade aisle lined with rows of lit candles — AI-generated illustration

Ongoing · ends Jan 7, 2027

Candlelight: Ed Sheeran Meets Coldplay

Llandaff Cathedral · Cardiff

From £14

Visitors walking through a lantern-lit cave gallery — AI-generated illustration

Ongoing · ends Feb 17, 2027

Doctor Who Cardiff Walking Tour

Castle Street · Cardiff

From £20

Bartender shaking a cocktail behind a busy bar — AI-generated illustration

Ongoing · ends Dec 18, 2027

Buff Bingo Drag Brunch - Cardiff

District Cardiff · Cardiff

From £15

Walking tour group seen from behind on a cobbled lane in the morning — AI-generated illustration

Ongoing · ends Mar 15, 2027

Sightseeing Tour Cardiff Bay and Vale of Glamorgan Full-Day Driver Guided

Central Station NE2 · Cardiff

From £100

More in Cardiff

Cardiff city guide All Cardiff events Cardiff this month

Back to culture

September is when indoor culture typically returns in force — theatre, gallery and concert seasons reopen alongside the last open-air events of the year.

Look for season-opening concerts, theatre premieres and gallery shows
Catch harvest festivals and the last open-air markets before autumn
Book ahead for autumn arts and film festivals that often launch this month