Here are the weekly deals at Publix, valid 8/31 – 9/6. There are some new Publix digital coupons in the matchup. Publix digital coupons are manufacturer coupons that are loaded from your computer and attached to your phone number; input your phone number at checkout. Each digital coupon can only be used once. If you have not signed up for this program, go to Publix.com and sign up now.