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Best Things to Do in Anglesey in September 2023

Events Happening Ynys Mon - Medi

Things to do in September in Anglesey

Featured August 08, 2023 Author, Sharon Watkins

As summer fades into the embrace of autumn, Anglesey reveals its captivating charm. Whilst the temperature on the island might be starting to drop as we head towards the cooler months, the average temperature is still 17℃ and it’s the perfect temperature for many of the events and activities that are happening around the island. Highlights this month include the Ring of Fire Anglesey Coastal Half Marathon, Beaumaris RunFest and the Anglesey Autofest.  

In addition to the events listed below, there is a plethora of fantastic Anglesey landmarks as well as museums and galleries to see around the island. Here’s a curated list of the best activities to enjoy on Anglesey during September 2023.

What’s On In Anglesey In September 2023?

Sporting Events

Join in the excitement of local sporting events. Whether it’s a golf tournament, a sailing regatta, or a coastal marathon, September offers a chance to witness and partake in Anglesey’s sporting spirit.

Run The Ring of Fire Anglesey Coastal Half Marathon

Take part or go along and on runners taking part in The Ring of Fire Anglesey Coastal Half Marathon, an exhilarating race that takes participants on a stunning journey along Anglesey’s breathtaking coastline. This challenging event offers both physical and scenic rewards as runners navigate the rugged terrain, scenic vistas, and refreshing sea air. With the dramatic landscape as a backdrop, this half marathon promises an unforgettable experience for both seasoned runners and those seeking a unique athletic adventure.

  • 1st September – 3rd September
  • Holyhead Breakwater Country Park, Holyhead, LL65 1YG
  • Find out more

Participate In The Black Diamond Torchlight Trail

The Torchlight Trail is a captivating 5K or 10 K nighttime adventure that lights up the trails along Anglesey’s coastal paths. Participants carry torches as they explore the rugged beauty of the landscape under the starry skies. This unique event combines the thrill of trail running with the enchantment of a torchlit exploration, creating a memorable experience for runners of all levels.

  • Saturday 9th September
  • Newborough Forest adjacent to Llanddwyn Beach
  • Find out more

Take Part In Or Support Superfeet Sandman Triathlon

The Superfeet Sandman Triathlon is a thrilling multi-discipline event that tests participants’ endurance and skills in swimming, cycling, and running. Set against the stunning backdrop of Anglesey’s coastline, this triathlon offers a challenging course for athletes of various levels. From the swim in the sea to the scenic cycling route and the invigorating run, the Superfeet Sandman Triathlon promises an unforgettable and rewarding athletic experience. It’s one of the few Triathlons in the calendar with a beach start and sea swim. If you’re a supporter you can build sandcastles and eat ice cream!

  • September 9th and 10th 2023
  • Newborough Forest adjacent to Llanddwyn Beach
  • Find out more

Run In Beaumaris RunFest

This highly successful event, sponsored by Midland Tapas Beaumaris, is returning again this year. The weekend of running incorporates races for children and the fantastic Coast 2 Castle 10k and half marathon for adults.

Junior RunFest: The children’s races start (5 pm) and finish inside the historic Beaumaris Castle! There’s a “Fun Run” for 3/4 year olds (which also welcomes older children and adults too!), and races for boys and girls 5/6 years old (1/2 mile), 7/8 years old (3/4 mile), 9/10 years old (1 mile) and 11/12 years old (1 mile).

Classic Beaumaris RunFest: The adult races make a welcome return this year. The 10k and half marathon starts from the centre of Beaumaris and finishes in the heart of the town’s historic castle. 

  • 16th and 17th Sep. 
  • Beaumaris Castle, Castle St, Beaumaris LL58 8AP
  • Find out more

Drive your car around the Anglesey circuit

There are a number of days during September when you can drive your car around the Anglesey circuit or be a spectator.

  • 2nd/3rd Sep – Classic Racing Motorcycle Club
  • 9th Sep – No Limit (Motorcycle Day)
  • 12th/13th Sep – James Whitham Track Training (motorcycle training)
  • 15th Sep – General Testing
  • 16th- 17th Sep – 750 Motor Club
  • 18 Sep – Circuit Days (Car Track Day)
  • 22nd Sep – No Limit (Motorcycle Day)
  • 23rd/24th Sep – Wirral 100 Motor Club
  • 25th Sep – Open Track

  • Trac Môn Anglesey Circuit, 5YT, A4080, Ty Croes LL63 5TF
  • Find out more

Go On A Coastal Walk

Join the North Wales Wildlife Trust on a captivating wildlife walk along this scenic coastline, exploring a circular route that includes Church Island and the Aberffraw headland. Booking is essential.

Take Part In A Golf Competition

Bull Bay Golf Course

  • Ladies Captain’s Charity Open – Texas Scramble- 9th Sep
  • Captain’s Charity Open – Texas Scramble -30th Sep

Holyhead Golf Club

  • DU Construction Open – 2nd Sep
  • RNLI Open – Gents Singles Stableford – 16th Sep

Anglesey Golf Club

  • Open Competitions – 11th and 18th Sep

Activities & Experiences

Wax The Holyhead Cenotaph – Bronze Waxing

This year commemorates the centenary of the unveiling of the Holyhead cenotaph. Join the Holyhead THI and collaborate with the Farmers Bronze Restoration team to participate in waxing the bronzes on the cenotaph. The session will include a brief history of the cenotaph and instruction on the specialist techniques used.

  • Thu, 7 Sep 2023 11:00 – 12:00 BST
  • Holyhead Cenotaph, 5 Victoria Road Holyhead LL65 1UT
  • Find out more


Anglesey Bees are opening their gardens to the public to help raise money for The Charity Bees for Development.

Visit the magical, maturing 7.5-acre wildlife garden with a beautiful large spring-fed pond with islands and a stream. The garden is a delight for families with a fun summer house, information boards, a woodland treasure hunt and picnic areas. Learn all about honey bees at the Meet the Beekeeper presentations, look at the apiary, take a walk through the bee-friendly woodland and maybe buy some honey. 

  • 9 Sep: 11am – 5pm
  • Anglesey Bees, Trefnant Bach, Llanddaniel. LL60 6ET
  • Find out more

Learn At The Community Archaeology Open Day

Go and learn about what has been discovered during the recent community archaeology project at Ty’n y Mynydd historic farmstead. There are a variety of activities throughout the day and a plethora of information is available about recent discoveries. There is also a children’s activity called Spot the Feature.

  • Sat, 16 Sep 2023 10:00 – 16:00 
  • Bumwerth Farm, Bumwerth, Rhoscolyn, Holyhead, LL65 2LZ
  • Find out more

Attend The Anglesey Autofest

Anglesey Autofest is a vibrant automotive extravaganza that brings together car enthusiasts and spectators for a day filled with classic cars, modified vehicles, and a variety of motor-related attractions. From vintage gems to contemporary marvels, this event showcases a diverse range of automobiles, offering something for every automotive enthusiast. With live entertainment, displays, and interactive activities, Anglesey Autofest creates an exciting atmosphere for all ages to enjoy the world of automobiles.

  • Anglesey Showground, LL65 4RW. 
  • Saturday 16th September for Exhibitors
  • Sunday 17th September for the public, 10am to 4pm.
  • Find out more

Go On The Anglesey Photography Weekend

Join The Photographic Adventure Company for an immersive Anglesey Photography Weekend. Explore stunning landscapes, from sunrises to lighthouses, perfecting your photography skills. Capture Anglesey’s charm through your lens in this photographer’s paradise.

Go On The Art Retreat Weekend In Anglesey, With Artist Stevie Hallows

Experience a complete art-filled weekend amidst Anglesey’s countryside, led by the talented artist Stevie Hallows. Join this two-day journey of drawing and painting guided by Stevie, a seasoned art educator from Leicester with three decades of experience.

Childrens Activities

Explore The Bodies Systems!

Drawing inspiration from Wales’ renowned nurse, Betsi Cadwaladr, this interactive experience will guide you through a captivating exploration of the body’s intricate systems. Go on a journey that unravels the mysteries of breathing, digestion, and more. 

  • Wednesday, 6 Sep
  • M-SParc – Parc Gwyddoniaeth Menai Science Park
  • Find out more

Build a Lego Robot!

Celebrate National Coding Week by building your own LEGO robots. Put your coding skills to the test by programming them to complete a series of tasks. 

  • Wed, 20 Sep 2023 16:00 – 17:30 BST
  • M-SParc, Menai Science Park Gaerwen LL60 6AG
  • Find out more

Clwb Twr – Children’s Nature Club // Clwb Natur i Blant

RSBP run an exciting nature club for kids – Clwb Twr! Join them for some fun nature-based activities at RSPB South Stack.

  • Sat Sep 30th: 10:00 am to 12:00 pm
  • South Stack Cliffs RSPB Reserve, Holyhead
  • Find out more

Make The Most Of September In Anglesey

As the nights grow longer head to remote spots away from light pollution and make the most of the excellent stargazing opportunities or relish the last days of warmth with a scoop of ice cream from the island’s charming ice cream parlours.

September in Anglesey is a time of transition and exploration. From embracing the outdoors to delving into history, culture, and sporting events, there’s something for everyone to relish in this idyllic corner of Wales.



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