The current average price of simple diesel fuel in mainland Portugal is around €2.03 to €2.08 per liter, but a sharp rise is expected for next week (7th to 13th September 2026), with estimated increases of up to 15 cents per liter, We are heading towards an all-time high. With a predicted increase of up to 15 cents for next week, projections indicate that the average price of simple diesel in Portugal could reach €2.169 per liter. The previous record registered by the Directorate-General for Energy and Geology (DGEG) was €2,131 per liter, reached on April 6 of this year, 2026. If this massive increase is confirmed on Monday, this value will be surpassed, establishing the highest level ever recorded at national gas stations. This strong rise in prices is being driven by the high volatility of oil in international markets, accentuated by instability in the Middle East. Post navigation F1 drivers predict chaos in Madrid: “It’s going to be crazy” Provisional FIM Motocross World Championship calendar for 2027