The new Walgreens September Coupon Booklet is available in stores now! These coupons are valid 9/1/13 through 9/28/13, and because they’re Walgreens store coupons, they can be stacked with manufacturer’s coupons. $2/1 Advil Pain Relief, Migraine, or PM $2/1 Afrin No Drip or Nasal Spray $3/1 Alaway Allergy Eye Itch Relief $5/1 Allegra 24 Hour [...]