Inflation Pressure Index — September 2026: 40.3

The Inflation Pressure Index began September at its lowest point of 33 on September 1st before rising throughout the month. Early in the month, renewed U.S. strikes on Iran caused oil prices to surge and heightened inflation fears. Mid-month pressures continued as ECB findings showed Europe's gas price surge could feed into inflation faster, and concerns grew over whether an oil shock would push fuel prices even higher. With no calming events recorded, these energy worries drove the index to its peak of 49 on September 24th. Overall, the index finished September with an average reading of 40.3.

Peak 49 on 2026-09-24 · low 33 on 2026-09-01 · locked record · ← August · Inflation Pressure Index timeline · October → · World Tension, same month

• Oil prices surge after U.S. renews Iran strikes, heightening inflation fears NBC News · 2026-09-01
• Inflation held steady in August as Iran war surges oil prices The Hill · 2026-09-11
• Petrol and diesel price rises push UK inflation higher BBC Business · 2026-09-16
• Thousands of drivers strike in the Philippines over rising fuel prices Al Jazeera · 2026-09-29
• Beware Oil’s Second Strike on Inflation WSJ · 2026-09-22
• CBO says Iran war driving up inflation, puts price tag at $38 billion NPR · 2026-09-15
• Iran War Has Cost U.S. Nearly $40 Billion and Fueled Inflation, CBO Finds Time Magazine · 2026-09-15
• Inflation holds steady at elevated level as Iran war pushes up gas prices abcnews.com · 2026-09-11