According to @ai_9684xtpa, the feared 'Devil September' has come to an end, with Bitcoin ($BTC) showing a robust performance. The price of Bitcoin increased by 9.4% from $58,974 to $64,523 over the month, marking the best September in seven years. When considering the lowest and highest points, the maximum increase was 26.5% from $52,550 to $66,498. The tweet expresses optimism for October, historically a bullish month for Bitcoin.