| Day | Rate | Set date |
|---|---|---|
| 1 September | 16.2700 | .. |
| 2 September | 16.3200 | .. |
| 5 September | 15.9500 | .. |
| 6 September | 16.3300 | .. |
| 7 September | 16.5300 | .. |
| 8 September | 16.3300 | .. |
| 9 September | 16.2200 | .. |
| 12 September | 16.1200 | .. |
| 13 September | 15.8500 | .. |
| 14 September | 15.4200 | .. |
| 15 September | 15.5300 | .. |
| 16 September | 15.7900 | .. |
| 19 September | 16.2200 | .. |
| 20 September | 16.1300 | .. |
| 21 September | 16.0100 | .. |
| 22 September | 16.4800 | .. |
| 23 September | 16.6600 | .. |
| 26 September | 16.5100 | .. |
| 27 September | 16.3700 | .. |
| 28 September | 16.5300 | .. |
| 29 September | 16.7400 | .. |
| 30 September | 17.1500 | .. |