The new Walgreens September Coupon Booklet is available in stores now! These coupons are valid through September 29, 2018, and because they’re Walgreens store coupons, they can be stacked with manufacturer’s coupons. $20/1 Accu-Chek Guide Blood Glucose Meter $1/1 Advil Infant's Drops or Children's [0.5-oz. infant; 4-oz. or 2-ct. 4-oz. ea, 24-ct. children's] $1/2 Airheads [...]