The election was pushed back for the second time to allow time for reforms to the voting system, Independent Election Commission spokesperson Abdul Aziz Ibrahimi said.
It was originally scheduled for April but was delayed to July 20 due to concerns about winter conditions and security.
Afghanistan’s parliamentary election took place in autumn after months of wrangling and delay.
Afghanistan blast kills election candidate in southern province
That vote was marred by accusations of widespread fraud including ballot-stuffing, technical problems with biometric registration equipment, and attacks by Taliban insurgents.
President Ashraf Ghani, Chief Executive Abdullah Abdullah and former national security adviser Mohammad Haneef Atmar are among the declared candidates for the presidential election.
It is unclear how recurring peace talks between US officials and the Taliban may affect the election.
The Taliban has so far refused to talk with the Ghani government, which it considers illegitimate.
COMMENTS
Comments are moderated and generally will be posted if they are on-topic and not abusive.
For more information, please see our Comments FAQ