| Day | Rate | Set date |
|---|---|---|
| 2 September | 16.4600 | .. |
| 3 September | 16.1300 | .. |
| 4 September | 16.2100 | .. |
| 5 September | 16.3700 | .. |
| 8 September | 15.6200 | .. |
| 9 September | 15.2700 | .. |
| 10 September | 14.8800 | .. |
| 11 September | 14.9900 | .. |
| 12 September | 15.0600 | .. |
| 15 September | 14.3400 | .. |
| 16 September | 13.9700 | .. |
| 17 September | 14.0000 | .. |
| 18 September | 14.5600 | .. |
| 19 September | 14.4800 | .. |
| 22 September | 13.9700 | .. |
| 23 September | 14.4500 | .. |
| 24 September | 14.5700 | .. |
| 25 September | 14.2700 | .. |
| 26 September | 14.4300 | .. |
| 29 September | 14.8900 | .. |
| 30 September | 14.7700 | .. |