Since 1896, September has been the worst month for the Dow with the index posting an average loss of 1%, CNBC.com reports.
“The average loss stands at 2% in the past 12 years. During that period, there were 5 instances when the Dow fell more than 5% in September,” according to the report.
SPDR Dow Jones Industrial Average ETF (NYSEArca: DIA)