Consumer prices in Ireland rose at their fastest pace in eight months in September, according to new data from the Central Statistics Office (CSO). A flash estimate of the Harmonised Index of Consumer Prices (HICP) showed inflation climbing to 2.7% year-on-year, up from 1.9% in August.
The latest reading marks the highest rate of estimated inflation since January 2024. However, the CSO noted that the sharp annual rise partly reflects a low base in September 2023, when inflation had eased significantly.
On a monthly basis, consumer prices actually fell slightly, declining by 0.2% between August and September. The dip reflects modest decreases in several key categories, particularly food, energy and transport.
Food prices were estimated to be 0.2% lower than in August, though they remain 4.7% higher compared with the same month last year. Energy costs also showed a monthly decline, falling 0.3%, but still stood 1% higher on an annual basis. Meanwhile, transport costs recorded the sharpest monthly drop, down 1.6%, although they were still 1.5% higher year-on-year.
Despite these category-level declines, the overall annual inflation rate accelerated, underlining the uneven nature of price pressures across the economy. The data also reflects the lingering effects of past price shocks, particularly in food and energy, which continue to weigh on household budgets.
The September estimate comes ahead of Eurostat’s release of euro zone-wide inflation figures, due tomorrow. Analysts expect the European Central Bank (ECB) to monitor the figures closely as it weighs its stance on monetary policy heading into the final quarter of the year.
Ireland’s inflation rate remains below the euro area’s peak levels seen in 2022, when energy price surges drove headline inflation into double digits. However, the persistence of elevated food costs and services inflation has complicated efforts to restore price stability.
Economists caution that while the recent monthly declines are encouraging, the underlying trend still points to uneven pressures. “The September figures highlight that inflation in Ireland is not moving in a straight line,” said one Dublin-based analyst. “The fall in transport and energy costs is positive, but core categories like food are still running well above the overall rate, and that continues to affect consumers directly.”
Households and businesses alike remain sensitive to any shifts in energy and food markets, particularly as winter approaches. With the ECB maintaining borrowing costs at their highest levels in decades, policymakers will be looking for clearer signs that inflation is firmly under control before considering cuts to interest rates.
For now, September’s data suggests inflationary pressures remain in flux, shaped by global trends but felt most directly in the everyday costs faced by Irish households.




