FX.co ★ Greek Inflation Jumps to 5.0% in September, Marking Sharp Year-on-Year Acceleration

Greece’s annual inflation rate accelerated notably in September 2026, with the Consumer Price Index (CPI) rising 5.0% year-on-year, up from 3.8% in August 2026. The data, updated on 9 October 2026, confirm a clear intensification of price pressures in the Greek economy as measured on a year-over-year basis.

The current reading compares the change in prices in September 2026 with those in September a year earlier, while the previous figure for August measured prices against August of the prior year. The 1.2 percentage point jump suggests that inflationary dynamics have strengthened, which could influence expectations around monetary policy, wage negotiations, and household purchasing power in the months ahead.

The latest CPI figure underscores a renewed inflationary trend in Greece, reinforcing concerns that price growth is proving more persistent than earlier in the year. Investors and policymakers will now be watching subsequent data closely to gauge whether this upswing in inflation is temporary or the start of a more sustained phase of elevated price increases.