The word(s) "south" appears 3 time(s) in 3 verse(s) in Quran in Mohsin Khan translation.

(1) And in the alternation of night and day, and the provision (rain) that Allah sends down from the sky, and revives therewith the earth after its death, and in the turning about of the winds (i.e. sometimes towards the east or north, and sometimes towards the south or west sometimes bringing glad tidings of rain etc., and sometimes bringing the torment), are signs for a people who understand.

(2) And remember (Hud) the brother of 'Ad, when he warned his people in Al-Ahqaf (the curved sand-hills in the southern part of Arabian Peninsula). And surely, there have passed away warners before him and after him (saying): "Worship none but Allah; truly, I fear for you the torment of a mighty Day (i.e. the Day of Resurrection)."

(3) (And with all those Allah's Grace and Protections, We cause) the (Quraish) caravans to set forth safe in winter (to the south) and in summer (to the north without any fear),