Heading a delegation, Mokhber left Tehran for the Central Asian country on Wednesday evening.
In addition to delivering a speech to the summit, he will hold bilateral talks with a number of SCO heads of state on the sidelines of the event.
Iran became a SCO member during the 23rd virtual summit of the bloc in July 2023.
The SCO, which has its headquarters in China, is a diplomatic organization with nine members, namely Russia, China, India, Pakistan, Iran and the Central Asian countries of Kazakhstan, Uzbekistan, Kyrgyzstan, and Tajikistan.
The SCO’s two-day summit will start today in the Kazakh capital of Astana.
During the summit, Belarus will become the 10th full member.