September 2025 saw Cardiff’s overall crime rate climb to 8.4 per 1,000 residents, placing the city 13.5% above the UK average of 7.4 per 1,000. This figure, though modest in absolute terms, highlights a persistent challenge for a major urban centre with a large student population and a sprawling retail sector. The most prominent crime type was violence and sexual offences, accounting for 30.4% of all reported incidents (984 cases), a share that, at 2.6 per 1,000 residents, matched the UK average. This balance between violent and property crime is typical of a city where nightlife and academic institutions intersect, though the proportion of violent crime was slightly lower than in other UK cities with similar demographics. Shoplifting, however, emerged as an outlier, with 452 incidents (14.0% of total crimes) — a rate 97% above the UK average of 0.6 per 1,000. This anomaly, occurring in a month marked by back-to-school activity and the start of the academic term, suggests a possible link between student populations and retail crime. Public order offences (334 cases, 10.3% of total) also rose sharply, 67% above the UK average, a trend that may reflect the increased social activity typical of September in a city with a vibrant cultural scene. The seasonal context — the return to structured routines after summer holidays — may have contributed to these patterns, though the interplay of factors such as policing strategies, economic conditions, and local events cannot be ruled out. The data underscores the complex relationship between urban dynamics and crime, with Cardiff’s profile as a major Welsh city shaping its unique challenges.