In a bowl, mix graham cracker crumbs, granulated sugar, ground cinnamon, and melted butter until well combined. Press the mixture firmly into the bottom of a 9-inch springform pan. Bake at 325°F (163°C) for 8–10 minutes. Let it cool while you make the filling.
In a large mixing bowl, beat softened cream cheese until smooth and creamy. Add brown sugar, and white sugar, and continue mixing until well blended. Mix in pumpkin purée, sour cream, vanilla extract, and pumpkin pie spice. Add eggs one at a time, mixing gently between each until just combined.
Pour the pumpkin cheesecake batter over the cooled crust. Tap the pan gently on the counter to release air bubbles and smooth the top.
Wrap the springform pan in aluminum foil and place it into a larger roasting pan. Fill the roasting pan with hot water about halfway up the sides of the cheesecake pan. Bake at 325°F (163°C) for 55–65 minutes, or until the center is just set and slightly jiggly.
Turn off the oven and crack the oven door. Let the cheesecake cool inside for 1 hour to prevent cracking. Then chill it in the fridge for at least 6 hours or overnight.
Top with whipped cream and a sprinkle of cinnamon before serving for the full Cheesecake Factory experience.