Business sentiment worsened for the second consecutive month in August amid continued economic uncertainties.

According to the Bank of Korea on Wednesday, the business survey index(BSI) for all industries stood at 71 the month, down three points from July, to indicate that pessimists outnumber optimists with a reading below 100.

The BSI for manufacturers dropped five points on-month to 67 in August, falling for the second straight month to mark the lowest since February, when it posted 63.

The index for non-manufacturing industries, which includes restaurants, wholesalers and retail businesses, also slipped by one point on-month to 75, falling for the third consecutive month.

Meanwhile, local firms' business outlook for September came in at 73, unchanged from the previous month.