| Day | Rate | Set date |
|---|---|---|
| 1 September | 16.7300 | .. |
| 2 September | 16.6800 | .. |
| 3 September | 16.5300 | .. |
| 6 September | 16.5200 | .. |
| 7 September | 15.9900 | .. |
| 8 September | 16.0200 | .. |
| 9 September | 16.0000 | .. |
| 10 September | 15.7100 | .. |
| 13 September | 15.8200 | .. |
| 14 September | 15.7100 | .. |
| 15 September | 15.6000 | .. |
| 16 September | 15.9300 | .. |
| 17 September | 16.1300 | .. |
| 20 September | 16.6200 | .. |
| 21 September | 16.6600 | .. |
| 22 September | 16.2800 | .. |
| 23 September | 16.2400 | .. |
| 24 September | 16.2900 | .. |
| 27 September | 16.5500 | .. |
| 28 September | 16.6600 | .. |
| 29 September | 17.3500 | .. |
| 30 September | 17.4300 | .. |