In September 2014, fuel in Luxembourg averaged €1.321 for petrol

Petrol, monthly average€1.321/L
Diesel, monthly average€1.161/L
LPG, monthly average€0.566/L
Weekly bulletins held for September 20145

Monthly averages for Luxembourg across September 2014, from the stored EU Weekly Oil Bulletin monthly history (European Commission, CC BY 4.0).