In October 2021, fuel in Latvia averaged €1.487 for petrol

Petrol, monthly average€1.487/L
Diesel, monthly average€1.389/L
LPG, monthly average€0.743/L
Weekly bulletins held for October 20214

Monthly averages for Latvia across October 2021, from the stored EU Weekly Oil Bulletin monthly history (European Commission, CC BY 4.0).