Despite allowing 176 rushing yards to Temple, Penn State's defense allowed just one touchdown and forced a 59% completion rate.
Sowell scored his first touchdown as a Nittany Lion in the third quarter.
The team had an animated response to a late hit on Rocco Becht.
Granville missed all of the 2025 season with a long-term injury.
Make that 41 all-time wins against the Owls for Penn State.
Siale Taupaki joins Rocco Becht, Anthony Donkoh, and Kooper Ebel.