The price of Bitcoin has dropped 7% in the last month, down to its current price of $10,891. But this comes as no surprise. Historically, September has been seen as one of the worst months of the year for Bitcoin market performance. Since 2011, Bitcoin has closed in the red for seven out of 10 years, and closed in the red for four years in a row, with Bitcoin losing 6% in September 2018, 8.6% in September 2017, 14% in September in 2019, and 6.7% in September 2020.