The cancellation came as no surprise, with the race recognised as being uncertain by Formula One chief executive Stefano Domenicali in a Liberty Media third-quarter earnings call with analysts this month.
'I could never have dreamed of being where I am today.'
Lewis Hamilton seized pole position in the dying seconds of qualifying for the first Portuguese Grand Prix in 24 years on Saturday to deny and dismay Mercedes team mate Valtteri Bottas once again.
Japan's round of the MotoGP championship, which was due to take place on October 18 at Motegi after the F1 race at Suzuka on October 11, had already been cancelled due to the expected extension of a travel ban.
Canadian Formula One driver Lance Stroll said on Wednesday he tested positive for COVID-19 after the October 11 Eifel Grand Prix but is now clear and ready to race in Portugal this coming weekend.
Italy's Mugello circuit will make its debut on the Formula One calendar in September to host Ferrari's 1,000th grand prix, the sport announced on Friday, with Russia's race in Sochi also confirmed. The September 13 race, to be called the Grand Prix of Tuscany Ferrari 1,000, will follow on from the September 6 Italian Grand Prix at Monza as the ninth round of a season that has been heavily revised due to the COVID-19 pandemic.
Seven-time world champion Lewis Hamilton overtook main rival Max Verstappen and Mercedes team mate Valtteri Bottas to win the Portuguese Grand Prix on Sunday and go eight points clear in the Formula One standings.
Formula One scrapped all four of this season's races in the Americas due to the COVID-19 pandemic on Friday and added three European rounds, including old favourites Imola and the Nuerburgring, to the calendar. While previously scheduled Grands Prix in Canada, Texas, Mexico and Brazil were cancelled, Formula One said in a statement that Portugal's Portimao will host a race for the first time.