Thirty-nine high-end real-estate deals were registered in Erie County last month, according to a new report from the county clerk’s office. Included on September’s list of 2,169 transactions (see the database below) are six deals that were worth more than $1 million and a total of 39 that were at or above the high-end cutoff of $500,000. Amherst had the most high-end deals last month, with nine.