The speed at which you recover depends on many things. The stronger you are before you go into surgery, the faster you will recover, provided you do exactly what your orthopod and PT tell you to do. Another thing is age; the older you are, the slower your recovery. Skill of the surgeon and PT play a role here, but the biggest factor is you.
I would say that December is not out of the question, provided you do exactly as you are told (not less, and not more; soreness is okay, but pain is the bodies way of saying "stop that, damnit!").
Good luck,
D