I don't think it matters in September -- either they received the update in July, or they didn't receive the scores in August. By September, nobody is looking for scores from your July test that you voided and deleted from your primary a few hours after your first submission.
Yea I was thinking that. I had one school in late August tell me they were waiting for the mcat score, which was weird to me. They have a really outdated portal though so maybe that was why.