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Inflation jumps across euro zone, raising pressure on ECB to hike - Finance news and analysis from Global Banking & Finance Review
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Inflation jumps across euro zone, raising pressure on ECB to hike

Published by Global Banking & Finance Review

Posted on September 30, 2026

3 min read

· Last updated: September 30, 2026

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Inflation Jumps Across Euro Zone, Increasing Pressure on ECB Rate Decisions

Euro Zone Inflation Trends and ECB Response

By Maria Martinez and Balazs Koranyi

Inflation Surges in Major Economies

BERLIN, Sept 30 (Reuters) - Inflation rose far quicker than expected in some of the euro zone's biggest economies this month due to the energy-price shock of the Iran war, increasing pressure on the European Central Bank to raise interest rates again.

The ECB has lifted rates twice this year to prevent rapid price growth from getting embedded, and investors have sharply raised rate hike bets in the past few weeks as natural gas, petrol and diesel prices have all soared.

Country-Specific Inflation Data

France's harmonized inflation rate was 3.4% year-on-year in September, up from 2.6% in August, while in Italy it jumped to 4.1% from August's 3.2%, all above the ECB's 2% target, data showed on Wednesday. 

German inflation accelerated slightly more than expected in September, rising to 3.3% year-on-year from 2.9% in the month before. 

Core inflation, which excludes the volatile prices of energy and food, remained unchanged for the third consecutive month at 2.4%.

In Spain, the inflation rate rose to 5.0% in September from 4.6% in August, data showed on Tuesday.   

Energy and Food Price Impact

Energy inflation appears to have surprised on the upside in all countries that have reported so far, as has food inflation, although much more modestly, Mariana Monteiro from J.P. Morgan said. 

The national data comes ahead of the euro zone inflation release on Friday. Inflation in the bloc is expected to come in at 3.6% in September, up from 3.2% in the previous month, according to economists polled by Reuters.

ECB Policy and Market Expectations

Higher Than the ECB Expected

The ECB had expected inflation to accelerate from 3.3% in the third quarter to 3.6% in the final three months of the year, but economists say the actual peak is likely to be closer to 4%, given sky-high energy costs. 

Markets therefore expect another four interest rate hikes over the next year, on top of two moves already made this past summer.

Energy Prices and Geopolitical Factors

"With very few signs of a resolution of tensions in the Middle East on the horizon and winter approaching, a correction in energy prices is unlikely any time soon," Rory Fennessy, senior European economist at Oxford Economics, said. 

Under its "adverse" scenario, the ECB sees inflation at 4.0% in both the fourth quarter of this year and the first three months of 2027, and economists say current energy prices are more closely aligned with this scenario than its baseline.

Furthermore, the dollar's recent strength will exacerbate Europe's inflation troubles, as key commodities are priced in dollars and the exchange-rate impact makes energy even more expensive in local currencies.

ECB's Policy Response

Because this year's inflation surge has yet to generate dangerous second-round effects across the euro zone, a moderate policy response from the European Central Bank remains appropriate, ECB chief Christine Lagarde said on Monday.

 Although the indirect effects of higher energy costs are beginning to feed through, this is unlikely to tip the balance for the ECB, Jack Allen-Reynolds, chief euro zone economist at Capital Economics, said. 

Core inflation has not yet moved up notably this year, but the renewed spike in energy prices means core inflation could rise into early 2027, Fennessy warned.

(Reporting by Maria Martinez and Balazs Koranyi; Editing by Andrew Heavens)

Key Takeaways

  • September inflation overshot forecasts across major euro‑zone economies, intensifying pressure on the ECB.
  • ECB’s September staff projections foresee inflation peaking near 3.6%–4.0% by year‑end with energy costs central to the upside risks.
  • ECB has already raised rates twice this year to 2.5%, and markets now anticipate additional hikes as energy price pressures persist.

Frequently Asked Questions

Why did euro zone inflation rise in September?
Euro zone inflation rose in September due to the energy-price shock resulting from the Iran war, driving up costs for natural gas, petrol, and diesel.
How much did inflation increase in major euro zone economies?
France's inflation rose to 3.4%, Italy's to 4.1%, Germany's to 3.3%, and Spain's to 5.0% year-on-year in September.
What is the ECB's response to rising inflation?
The ECB has raised interest rates twice this year and faces mounting pressure to increase rates further to control inflation.
What is core inflation and how did it behave?
Core inflation, which excludes energy and food prices, remained unchanged at 2.4% for the third consecutive month in the euro zone.
How does the strong dollar affect euro zone inflation?
The strong dollar exacerbates Europe's inflation, as commodities priced in dollars become more expensive in local currencies.

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