Here’s what today’s weather has in store for South Africa’s nine provinces. Mpumalanga is the second smallest of South Africa’s nine provinces, with an area of 76 495 square kilometres. The North West is the sixth largest of South Africa’s nine provinces, with an area of 104 882 square kilometres. The expected UVB Sunburn Index: Very HighDID YOU KNOWWhere does the Western Cape rank in size among South Africa’s provinces? KwaZulu-Natal is the seventh largest of South Africa’s nine provinces, with an area of 94 361 square kilometres.