"The UAE emphasised the importance of resuming talks among various Sudanese forces to realise the aspirations of the brotherly people of Sudan," said the statement.
The planned "million-man" march is seen as a test for protest organisers whose movement has been hit by a deadly June 3 raid on a Khartoum sit-in and a subsequent internet blackout that has curbed their ability to mobilise support.
Medics said on Monday more than 35 people were killed in what is the worst violence since the overthrow of President Omar Al Bashir in April.
Ethiopian Prime Minister Abiy Ahmed arrived in the Sudanese capital on Friday to broker talks between the ruling generals and protest leaders after a deadly crackdown by security forces this week.
Shops and restaurants began to reopen in Sudan’s capital on Wednesday after demonstrators called off a nationwide civil disobedience campaign and agreed to new talks, though many residents remained indoors after last week’s deadly crackdown.
UN Secretary-General Antonio Guterres on Friday called on Sudan’s military rulers and protest groups to go back to the negotiating table and quickly reach a deal on handing over power to a civilian-led government.
From rap to afrobeat, musicians living in Sudan and overseas have composed tunes punctuated by some of the protest movement's most popular slogans.
The fate of an alleged people trafficking kingpin who insists he is a victim of mistaken identity hangs in the balance on Friday, with a verdict expected in a trial against him in Italy.
Weeks after the ruling generals imposed a blockade in the wake of a brutal crackdown on protesters, mobile internet services were restored across Sudan on Tuesday following a court order.