In August 2017, fuel in Germany averaged €1.362 for petrol

Petrol, monthly average€1.362/L
Diesel, monthly average€1.138/L
LPG, monthly average€0.545/L
Weekly bulletins held for August 20174

Monthly averages for Germany across August 2017, from the stored EU Weekly Oil Bulletin monthly history (European Commission, CC BY 4.0).