| Day | Rate | Set date |
|---|---|---|
| 1 September | 21.6400 | .. |
| 2 September | 21.6900 | .. |
| 3 September | 21.6700 | .. |
| 4 September | 21.7700 | .. |
| 8 September | 21.9600 | .. |
| 9 September | 21.9900 | .. |
| 10 September | 21.9300 | .. |
| 11 September | 22.0100 | .. |
| 14 September | 22.3100 | .. |
| 15 September | 22.1800 | .. |
| 16 September | 22.3900 | .. |
| 17 September | 22.3000 | .. |
| 18 September | 21.9800 | .. |
| 21 September | 21.9200 | .. |
| 22 September | 21.8800 | .. |
| 23 September | 22.0000 | .. |
| 24 September | 21.7900 | .. |
| 25 September | 21.6800 | .. |
| 28 September | 21.7600 | .. |
| 29 September | 21.6700 | .. |
| 30 September | 21.7100 | .. |