In October 2018, fuel in France averaged €1.537 for petrol

Petrol, monthly average€1.537/L
Diesel, monthly average€1.511/L
LPG, monthly average€0.837/L
Weekly bulletins held for October 20185

Monthly averages for France across October 2018, from the stored EU Weekly Oil Bulletin monthly history (European Commission, CC BY 4.0).