Cadw’s Open Doors
1 – 30 September 2026
Childhood cancer awareness month
1 – 30 September 2026
East and South East Asian heritage month,
1 – 30 September 2026
Sickle cell awareness month
1 – 30 September 2026
Urology awareness month.
1 – 30 September 2026
World Alzheimer’s month
1 – 30 September 2026
IRONMAN Wales
11 – 14 September 2026
Gŵyl Glyndŵr Festival (Mid-September):
14 – 20 September 2026
Abergavenny Food Festival
19 – 20 September 2026
UK national inclusion week
28 September – 4 October 2026