German grocer Lidl will open its first stores in the Charlotte market next month — finally. Two stores — at 9990 Charlotte Highway in Indian Land and 1005 E. Dixon Blvd. in Shelby — will open on Sept. 21. On Sept. 28, the location at 951 E. Hudson Blvd. in Gastonia will open as will another in Rock Hill’s Riverwalk development at 1260 Herrons Ferry Road. All locations will open at 8 a.m. To mark the grand opening, the first 100 customers will receive a wooden coin and the chance to win…