In March 2019, fuel in Portugal averaged €1.486 for petrol

Petrol, monthly average€1.486/L
Diesel, monthly average€1.390/L
LPG, monthly average€0.635/L
Weekly bulletins held for March 20194

Monthly averages for Portugal across March 2019, from the stored EU Weekly Oil Bulletin monthly history (European Commission, CC BY 4.0).