Fall is in the air, which means that the Starbucks Pumpkin Spice Latte is officially back in action. The PSL came back to stores on Tuesday, Sept. 5. Now that the long-awaited PSL is finally here, it's time to enjoy the heck out of it because it won't be here for long. But while this is a fall drink moment to celebrate, we must remember that all joy eventually comes to an end. So if you're wondering how long Starbucks' Pumpkin Spice Latte will be available, we're right there with you.