Iyas bin Al-Akwa' narrated that his father said:
"We used to pray jumu'ah with the Messenger of Allah (ﷺ) then we would go back, and the walls had no shadow in which shade could be sought."
App reference: Book 14, Hadith 28
English reference: Vol. 2, Book 14, Hadith 1392
Arabic reference: Book 14, Hadith 1402