What’s On · 11-17 September 2026
What’s On in West Wales This Week: 11-17 September 2026
Coastal culture, international endurance sport, Shakespeare and contemporary craft lead this week’s verified guide.
Here are selected events taking place across Pembrokeshire, Carmarthenshire and Ceredigion from Friday 11 to Thursday 17 September.
Every date, location and event detail has been checked against current organiser, venue or official tourism information. Programmes change, so follow the organiser link beneath each listing before travelling.
Pembrokeshire
Pembrokeshire
Wales Festival of Seaweed
Friday 11 to Sunday 13 September · St Davids City Council Hall and locations around St Davids
Talks, workshops, crafts and interactive experiences explore the culinary, environmental, health and economic value of seaweed to coastal communities in Wales.
IRONMAN Wales
Sunday 13 September · Tenby and the Pembrokeshire course
Tenby hosts one of Wales’s biggest endurance events as athletes tackle the sea swim, coastal cycle course and marathon run, supported by crowds throughout the town and surrounding communities.
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Carmarthenshire
Carmarthenshire
William Shakespeare’s Richard III
Friday 11 and Saturday 12 September, 7pm · Stiwdio Stepni, Ffwrnes, Llanelli
Boom Productions presents Shakespeare’s historical thriller at Ffwrnes, following Richard, Duke of Gloucester, as peace gives way to ambition and political intrigue. The venue advises that the production may not be suitable for children under 10.
Ceredigion
Ceredigion
Craft Festival Wales
Friday 11 to Sunday 13 September · Cardigan Castle
Around 100 professional makers gather at Cardigan Castle for ceramics, glass, textiles, jewellery, wood, print and other contemporary craft, alongside demonstrations, workshops, talks and family activities.
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