In September 2015, fuel in Slovakia averaged €1.249 for petrol

Petrol, monthly average€1.249/L
Diesel, monthly average€1.092/L
LPG, monthly average€0.597/L
Weekly bulletins held for September 20154

Monthly averages for Slovakia across September 2015, from the stored EU Weekly Oil Bulletin monthly history (European Commission, CC BY 4.0).