The 26-year-old effort against The Tigers on September 22 beat competition from three other goals for the monthly gong.
Liam Moore's effort against Sheffield Wednesday, Sam Baldock's strike against Preston North End and Jon Dadi Bodvarsson's goal against Hull were the other contenders.
The Ghanaian defender had 38 percent of votes to emerge the winner.
He has been in good form for Reading since transferring from Barnsley in the summer.
The English-born has so far made 11 Championship appearances - all starts - for The Royals.
On Tuesday, he lasted for the entire duration as his side slumped to a disappointing 1-0 home defeat to Queens Park Rangers.