| Day | Rate | Set date |
|---|---|---|
| 1 September | 20.1300 | .. |
| 2 September | 20.1300 | .. |
| 3 September | 20.0900 | .. |
| 4 September | 20.1900 | .. |
| 7 September | 20.2600 | .. |
| 8 September | 20.3700 | .. |
| 9 September | 20.4000 | .. |
| 10 September | 20.3800 | .. |
| 11 September | 20.4300 | .. |
| 14 September | 20.6700 | .. |
| 15 September | 20.5800 | .. |
| 16 September | 20.6300 | .. |
| 17 September | 20.4500 | .. |
| 18 September | 20.3100 | .. |
| 21 September | 20.2800 | .. |
| 22 September | 20.4200 | .. |
| 23 September | 20.6500 | .. |
| 24 September | 20.4700 | .. |
| 25 September | 20.3300 | .. |
| 28 September | 20.4000 | .. |
| 29 September | 20.3200 | .. |
| 30 September | 20.3400 | .. |