The closing price for Bitcoin (BTC) in September 2014 was $386.94, on September 30, 2014. It was down 19% for the month.

The closing price for Bitcoin (BTC) in September 2014 was $386.94, on September 30, 2014. It was down 19% for the month.
Daily pricing data for Bitcoin dates back to 7/14/2010, and may be incomplete.