National Coffee Day is September 29th, and Panera will offer FREE Coffee to Parents and Caregivers with no purchase required. Simply visit your local Panera on 9/29 and mention you're a parent or caregiver at the register or drive-thru and you'll receive free coffee all day - a taste of what it’s like to have Panera’s $8.99/month unlimited coffee subscription. Currently people can sign up for Panera’s coffee subscription here and receive free coffee for 3 months!