September 12th or 19th

We are looking at driving up from southern Ohio one weekend in September to get another trip to CP. Which weekend would have the least crowds, the 12th or the 19th? Will the boat show going on the 12th have a big impact on Cedar Point crowds? Any information is greatly appreciated. Thanks!

I've not found the boat show to have a huge impact on crowds, but we can't predict the future either.....

Best information available at this time.