The 20-year-old French Under-21 international, who joined the Gunners on a free transfer from Auxerre over the summer, has failed to score in two matches so far this season.
"I've got used to my teammates really well," Sanogo told the club's official website. "I've felt really well ever since I got here. But I will need time, it's a new way of life, a new league and it will take time to adapt. It's something I will manage."
Sanogo spent three years at Auxerre before signing a long-term deal at the Emirates Stadium.