Events and festivals in Wales during September

01 - 30 September. Open Doors takes place each year throughout September. The events provide people with an opportunity to take a look at some of Wales' historical buildings and sites. There are unique experiences at some venues that are not normally open to the public.

See the Cadw Open events page for further information.

Various dates September 2023. There's a variety of events at Cadw sites throughout September, including Posies & Potions at Tretower Court and Castle (03 September), Brother Thomas the Cellarer at Tintern Abbey (16 September), Meet the Household at Plas Mawr (16 September) and Calligraphy Workshop at Laugharne Castle (17 September). Check back nearer the time for more. 

01 - 30  September 2023. There's a variety of events in Mid Wales throughout September, including The Cambrian Coast Sportive (16 September), Bala Lake Railway's Great Little Trains Model Show (16 and 17 September) and Welshpool 1940s Weekend (29 September - 01 October).

See Visit Mid Wales for more events

02 September 2023. Man vs Mountain is a 20 miles journey over one mountain. You’ll begin your journey at sea level from within the UNESCO World Heritage listed Caernarfon Castle before climbing steadily through the beautiful landscapes of northern Wales with some obstacles along the way. Once you’ve braved the elements and descended from the summit of Snowdon, you’ll then face the ‘All Out Vertical Kilometre’, a guided abseil, and a series of land and water based obstacles designed to test what strength remains.

02 September 2023. Enjoy live sporting action in Principality Stadium in Cardiff with FIM Speedway GP of Great Britain. Tickets are now on sale.

02 - 10 September 2023. The Gower Walking Festival offers a fantastic variety of walks that suit all ages and abilities.

02 - 03 September 2023. Margam Park host the Great British Food Festival. Enjoy a family day out with a range of food and drink stalls and demonstrations. Buy street food and crafts and gifts. Dogs are also welcome. Early bird tickets are available.

03 September 2023. IRONMAN Wales is a popular annual event in the calendar in Tenby, Pembrokeshire. A 2.4 mile (3.8km) swim, a 112 mile (180km) cycle, followed by a marathon, with only 17 hours to complete it all. Just an average Sunday really...

05 - 10 September 2023. The Vale of Glamorgan Walking Festival offers a range of walks and activities in this beautiful and historic part of Wales.

08 September 2023. Watch live cricket action in Sophia Gardens, Cardiff with English v New Zealand ODI.

09 September 2023. Celebrate the very best of Monmouthshire farming and rural life at the Usk Show. There are demonstrations and displays plus over 300 traders featured in the food hall, shopping mall and craft marquee.

09 - 10 September 2023. The Amgueddfa Cymru Food Festival returns in-person to St Fagans National Museum of History, Cardiff. There will be over 80 food, drink and craft stalls, cookery demos, family friendly foodie activities and music.

Various dates September 2023. Enjoy a choice of classic and newer films in the open air in great venues. Book in advance, as they are very popular.

Watch Dirty Dancing (8 September), Top Gun: Maverick (9 September) or Grease (10 September) at National Trust's Dyffryn Gardens in the Vale of Glamorgan. 

In North Wales at Chirk Castle there's Mamma Mia! (22 September), Harry Potter and the Philosopher's Stone (23 September) and (24 September).

Plus Errig Hall has a choice of Top Gun: Maverick (28 September), Dirty Dancing (29 September) or The Greatest Showman Sing-a-long (30 September).

09 - 10 September 2023.The Sandman Triathlon takes place through the incredible Newborough Forest. The start and finish is set in an exclusive area within the 700 hectare woods adjacent to the world famous Llanddwyn Beach. There's also a Duathlon and on 10 September there's a Sandman Torchlight Trail.

16 - 17 September 2023. Abergavenny Food Festival is one of the biggest events in the UK foodie calendar. There are exhibitors from Wales and further afield. There's a rolling programme of chef demonstrations featuring the region’s finest and special masterclasses, workshops, tutored tastings and talks. There's food academy for children with hands-on workshops too.

20 September 2023. BANFF Mountain Film Festival World Tour - Blue Programme comes to St David's Hall, Cardiff. Expect action packed adventure films.

22 - 24 September 2023. The Elvis Festival is a popular event in the seaside town of Porthcawl. Thousands of fans and the tribute artists attend this annual gathering of blue suede shoes, Vegas jumpsuits, and whopping sideburns. This is the largest festival of its kind in the world!

22 - 24 September 2023. Mid-Wales 4 Day Walking Festival takes place in and around Llanwrtyd Wells. Enjoy way-marked walks of 12 or 20 miles or guided walks of 5 to 8 miles. Certificates are given to every individual completing their chosen routes. There's nightly entertainment and a 'Blister Ball' with live music on Saturday night. 

This Green Event is one of many events taking place in this beautiful part of Mid Wales throughout the year.

23 - 24 September 2023. Narberth Food Festival is a community event that is entirely volunteer-run. It won't get the biggest names, but it’s still one of the friendliest and most enjoyable food festivals around. Expect food stalls, live music, street theatre, talks and tastes, chef demonstrations and free children's activities. 

24 and 25 September 2023. Enjoy cookery demonstrations, street food, bars and traders at Wrexham Feast. There's also live entertainment and a funfare.

29 September - 01 October 2023. The Aberystwyth Comedy Festival is made up of around 40 individual shows which take place in venues near Aberystwyth's seafront.

30 September 2023. Enjoy a ghost hunt in Gwrych Castle, which you may remember from the TV Show I'm A Celebrity ...Get Me Out of Here. There's also one taking place each month throughout the year. 

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