Hello how may I help you? are water parks still open in september For some days, yes. However, the water park will close on September 15th and remain closed until next spring. wher can i go then Through September 14th. how much Admission is $13 for adults, $8 for children 12 and under. open times? The water park is open from 8 AM to 7 PM every day. thank u You are welcome. Have a great day.