| Day | Rate | Set date |
|---|---|---|
| 1 September | 13.7300 | .. |
| 2 September | 13.6700 | .. |
| 3 September | 14.6700 | .. |
| 4 September | 14.5900 | .. |
| 8 September | 14.2900 | .. |
| 9 September | 14.1200 | .. |
| 10 September | 14.6700 | .. |
| 11 September | 14.3400 | .. |
| 14 September | 14.4200 | .. |
| 15 September | 14.5700 | .. |
| 16 September | 14.5300 | .. |
| 17 September | 14.8600 | .. |
| 18 September | 15.4900 | .. |
| 21 September | 15.4900 | .. |
| 22 September | 15.6700 | .. |
| 23 September | 15.8100 | .. |
| 24 September | 15.9800 | .. |
| 25 September | 15.7500 | .. |
| 28 September | 15.6400 | .. |
| 29 September | 15.9800 | .. |
| 30 September | 16.1400 | .. |