| 2025年 | 2026年 | 平年値 | |
| 9-6 | --- | 28.5 | 27.5 |
| 9-7 | --- | 28.4 | 27.4 |
| 9-8 | --- | 28.3 | 27.2 |
| 9-9 | --- | 28.1 | 27.2 |
| 9-10 | --- | 27.8 | 27.3 |
| 9-11 | --- | 28.2 | 27.5 |
| 9-12 | --- | 28.3 | 27.6 |
| 9-13 | --- | 28.1 | 27.5 |
| 9-14 | --- | 28.5 | 27.2 |
| 9-15 | --- | 28 | 27.2 |
| 9-16 | --- | 27.9 | 27.4 |
| 9-17 | --- | 27.9 | 27.5 |
| 9-18 | --- | 27.8 | 27.5 |
| 9-19 | --- | 27.5 | 27.3 |
| 9-20 | --- | 27.1 | 27.2 |