Certainly seems that way to me. For the last couple of years since the parties have moved to earlier and earlier August starts, it 'seems' to me you get the same crowded/bad reports from the first parties...then it dies off post Labor Day with lower crowds before picking up steam again late Sept-Oct. I've been going to first or second week of Sept parties since 2014 and have always really enjoyed that time. The only maybe somewhat material difference this year is that Rosh Hashana is earlier than it has been the last few years (9/10-9/11) and some school systems have off around then. Other than that, I'm a big fan of early Sept parties and am
we don't have one planned this year.
Hope you enjoy your trip.