Bulgaria reported the highest annual increase in fuel prices across the European Union in September 2026, with a notable 42.2% rise in prices for fuels and lubricants used in personal transport compared to the previous year. This significant jump in fuel costs outpaced other EU countries, with Estonia seeing a 40.6% increase and Lithuania experiencing a 40.2% rise.
In contrast, Hungary witnessed the smallest annual increase in fuel prices at 6.9%, followed by Ireland at 17.7% and Sweden at 19.9%. Overall, the EU experienced a 31.4% year-on-year increase in fuel prices in September, marking an acceleration from the 16.9% rise recorded in July and 23.8% in August.
On a month-to-month basis, from August to September, diesel prices across the EU went up by 5.9%, while petrol prices saw a 6.7% increase. Sweden recorded the largest monthly increases in both diesel and petrol categories, with diesel prices climbing by 12.8% and petrol by 13.8%.
Focusing on Bulgaria, the report highlighted a substantial rise in the price of A95 petrol, which increased from €1.26 per liter on February 27 to €1.65 per liter by October 21. Similarly, diesel prices in Bulgaria rose from €1.29 to €1.91 per liter over the same period.