| 2025年 | 2026年 | 平年値 | |
| 9-6 | 31.8 | 32 | 31.5 |
| 9-7 | 32 | 32.1 | 31.4 |
| 9-8 | 32.1 | 31.9 | 31.4 |
| 9-9 | 32.2 | 32 | 31.4 |
| 9-10 | 32.3 | 31.8 | 31.7 |
| 9-11 | 32 | 32 | 31.4 |
| 9-12 | 32.2 | 32.2 | 31.7 |
| 9-13 | 32 | 32.1 | 31.6 |
| 9-14 | 31.9 | 32 | 31.6 |
| 9-15 | 31.9 | 32 | 31.4 |
| 9-16 | 31.9 | --- | 31.5 |
| 9-17 | 31.9 | --- | 31.5 |
| 9-18 | 31.9 | --- | 31.5 |
| 9-19 | 31.8 | --- | 31.4 |
| 9-20 | 31.9 | --- | 31.3 |