When Is Dunkin Releasing Pumpkin 2024 Calendar. Here's when dunkin has released pumpkin spice (and its fall menu) in recent years: Based on these dates, we can expect dunkin’ to release pumpkin spice in 2024 sometime between late august and early september.

It’s almost that time of year, and dunkin’ fans can already smell the pumpkin spice! 19, according to the magazine.