In August 2023, fuel in Belgium averaged €1.814 for petrol

Petrol, monthly average€1.814/L
Diesel, monthly average€1.862/L
LPG, monthly average€0.634/L
Weekly bulletins held for August 20234

Monthly averages for Belgium across August 2023, from the stored EU Weekly Oil Bulletin monthly history (European Commission, CC BY 4.0).