Bafana Bafana were at No 67 last month.
South Africa will play friendly matches against Brazil in Sao Paulo on Friday and Mozambique in Nelspruit next week.
FIFA rankings for September (August positions in parentheses):
1. Spain (1)
2. Germany (2)
3. England (3)
4. Portugal (5)
5. Uruguay (4)
6. Italy (6)
7. Argentina (7)
8. Netherlands (8)
9. Croatia (9)
10. Denmark (10)
11. Greece (12)
12. Brazil (13)
13. Russia (11)
14. Chile (15)
15. France (14)
16. Ivory Coast (16)
17. Ecuador (20)
18. Sweden (17)
19. Czech Republic (19)
20. Switzerland (23)
74. South Africa (67)