Eurozone annual inflation rose to 3.3% year-on-year in August 2026, up from 2.9% in July, marking the highest rate since September 2023, Eurostat reported today [1, 2, 3, 4]. Energy inflation accelerated sharply, rising to 14.3% from 10.3% in July, driven by higher oil and gas prices partly linked to the Iran war and disruptions around the Strait of Hormuz [1, 3, 4]. Core inflation, which excludes volatile items such as food, energy, alcohol, and tobacco, edged down slightly to 2.4% from 2.5%, reflecting more muted underlying price pressures [1, 2, 3, 4].

Among eurozone countries, inflation varied notably in August. Spain posted 4.5%, Italy 3.2%, Germany 2.9%, France 2.7%, and Lithuania 5.8%. The lowest inflation rates were in Estonia at 1.3%, Malta at 1.9%, and Finland at 2.4% [1, 2, 4].

The jump in headline inflation coincides with rising expectations that the European Central Bank will raise interest rates by 25 basis points at its September 10 policy meeting, with markets pricing nearly a 99% probability of such a hike [1, 2, 3]. Austrian central bank chief Martin Kocher said, "Upside risks to inflation have increased again recently. If this picture is confirmed in the ECB's new forecast, I believe another interest-rate hike will be necessary in the near future" [1].

However, some economists caution that the divergence between rising headline inflation and falling core inflation suggests the ECB might not tighten monetary policy as aggressively as markets expect. Senior economist David Powell noted, "The sharp rise in headline inflation contrasts with a drop in underlying measures of price increases. That divergence supports our view that the ECB is unlikely to tighten by as much as financial markets are currently pricing in" [2].

The ECB faces a delicate balance. Joe Nellis, head of economic research at MHA, said, "The ECB faces a dilemma: a trade-off between higher interest rates and economic cost. Higher borrowing costs will continue to squeeze heavily indebted households, weaken housing markets and make investment more expensive for businesses" [3]. The expected interest rate after the hike stands at about 2.5% [3].

Eurostat released the flash inflation estimate today, confirming the August data [1, 2, 3, 4]. The ECB's September 10 meeting will provide clearer signals on the future policy path amid the contrasting inflation signals.