| Day | Rate | Set date |
|---|---|---|
| 1 September | 45.5800 | .. |
| 2 September | 44.4300 | .. |
| 3 September | 44.0700 | .. |
| 4 September | 42.6600 | .. |
| 7 September | 42.0100 | .. |
| 8 September | 39.7800 | .. |
| 9 September | 40.7900 | .. |
| 10 September | 40.0600 | .. |
| 11 September | 39.8300 | .. |
| 14 September | 39.6100 | .. |
| 15 September | 40.5300 | .. |
| 16 September | 42.2200 | .. |
| 17 September | 43.3000 | .. |
| 18 September | 43.1500 | .. |
| 21 September | 41.4400 | .. |
| 22 September | 41.7200 | .. |
| 23 September | 41.7700 | .. |
| 24 September | 41.9400 | .. |
| 25 September | 41.9200 | .. |
| 28 September | 42.4300 | .. |
| 29 September | 41.0300 | .. |
| 30 September | 40.9500 | .. |