| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2024-09-01 | 晴天 | 30°/24° | 3.5 mm |
| 2024-09-02 | 晴天 | 34°/23° | 6.2 mm |
| 2024-09-03 | 晴天 | 26°/22° | 7.6 mm |
| 2024-09-04 | 晴天 | 29°/20° | 0.0 mm |
| 2024-09-05 | 晴天 | 30°/20° | 0.0 mm |
| 2024-09-06 | 晴天 | 32°/22° | 0.0 mm |
| 2024-09-07 | 晴天 | 32°/23° | 0.0 mm |
| 2024-09-08 | 晴天 | 31°/23° | 12.1 mm |
| 2024-09-09 | 晴天 | 32°/22° | 4.9 mm |
| 2024-09-10 | 晴天 | 32°/23° | 2.5 mm |
| 2024-09-11 | 晴天 | 33°/23° | 2.7 mm |
| 2024-09-12 | 晴天 | 33°/24° | 1.9 mm |
| 2024-09-13 | 晴天 | 34°/24° | 8.6 mm |
| 2024-09-14 | 晴天 | 33°/23° | 0.0 mm |
| 2024-09-15 | 晴天 | 35°/23° | 8.8 mm |
| 2024-09-16 | 晴天 | 28°/23° | 10.8 mm |
| 2024-09-17 | 晴天 | 32°/22° | 7.4 mm |
| 2024-09-18 | 晴天 | 33°/24° | 9.0 mm |
| 2024-09-19 | 晴天 | 31°/24° | 14.0 mm |
| 2024-09-20 | 晴天 | 35°/23° | 0.4 mm |
| 2024-09-21 | 晴天 | 32°/23° | 0.8 mm |
| 2024-09-22 | 晴天 | 26°/22° | 7.2 mm |
| 2024-09-23 | 晴天 | 23°/18° | 14.7 mm |
| 2024-09-24 | 晴天 | 20°/16° | 0.9 mm |
| 2024-09-25 | 晴天 | 21°/15° | 0.4 mm |
| 2024-09-26 | 晴天 | 27°/20° | 0.6 mm |
| 2024-09-27 | 晴天 | 23°/21° | 34.3 mm |
| 2024-09-28 | 晴天 | 25°/20° | 3.4 mm |
| 2024-09-29 | 晴天 | 21°/19° | 4.3 mm |
| 2024-09-30 | 晴天 | 23°/18° | 3.9 mm |
2024年09月秋留野市共记录 30 天，平均最高 29℃、最低 21℃，降水日 25 天。