Sørensen did not return to Salzburg ahead of the 2019–20 season, instead signing a two-year contract with recently relegated 1. FC Nürnberg in the 2. Bundesliga. On 27 July 2019, he made his debut for the club in league match against Dynamo Dresden away at Rudolf-Harbig-Stadion, which ended in a 1–0 win for Nürnberg.