After three wins on the bounce, the 29-year-old helped the Royal Blues extend their unbeaten run to four games against the Billy Goats.
The Senegal international set up Suat Serdar for his side’s opening goal in the 71st minute of the encounter.
With the game heading the way of David Wagner’s men, Jonas Hector then scored a stoppage-time effort to deny the hosts all three points.
Sane, who was cautioned in the 45th minute, featured from the start to the finish in the game, along with Morocco international Amine Harit.
The defender will hope to help Schalke return to winning ways when they face Hoffenheim in their next league game on October 20.