| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2024-09-01 | 晴天 | 29°/21° | 0.3 mm |
| 2024-09-02 | 晴天 | 32°/22° | 3.1 mm |
| 2024-09-03 | 晴天 | 27°/20° | 12.6 mm |
| 2024-09-04 | 晴天 | 28°/19° | 0.7 mm |
| 2024-09-05 | 晴天 | 31°/19° | 0.7 mm |
| 2024-09-06 | 晴天 | 30°/20° | 0.0 mm |
| 2024-09-07 | 晴天 | 32°/21° | 3.0 mm |
| 2024-09-08 | 晴天 | 29°/21° | 16.7 mm |
| 2024-09-09 | 晴天 | 30°/22° | 7.0 mm |
| 2024-09-10 | 晴天 | 32°/20° | 6.4 mm |
| 2024-09-11 | 晴天 | 32°/21° | 4.4 mm |
| 2024-09-12 | 晴天 | 32°/22° | 6.9 mm |
| 2024-09-13 | 晴天 | 32°/22° | 7.7 mm |
| 2024-09-14 | 晴天 | 33°/22° | 0.4 mm |
| 2024-09-15 | 晴天 | 32°/22° | 2.2 mm |
| 2024-09-16 | 晴天 | 29°/23° | 3.5 mm |
| 2024-09-17 | 晴天 | 31°/22° | 4.0 mm |
| 2024-09-18 | 晴天 | 31°/22° | 5.3 mm |
| 2024-09-19 | 晴天 | 27°/22° | 4.1 mm |
| 2024-09-20 | 晴天 | 33°/21° | 0.6 mm |
| 2024-09-21 | 晴天 | 27°/22° | 0.8 mm |
| 2024-09-22 | 晴天 | 25°/18° | 7.9 mm |
| 2024-09-23 | 晴天 | 25°/16° | 2.5 mm |
| 2024-09-24 | 晴天 | 20°/14° | 0.0 mm |
| 2024-09-25 | 晴天 | 24°/14° | 0.0 mm |
| 2024-09-26 | 晴天 | 29°/17° | 4.4 mm |
| 2024-09-27 | 晴天 | 28°/20° | 2.1 mm |
| 2024-09-28 | 晴天 | 25°/19° | 0.0 mm |
| 2024-09-29 | 晴天 | 22°/18° | 0.4 mm |
| 2024-09-30 | 晴天 | 24°/18° | 0.0 mm |
2024年09月上田市共记录 30 天，平均最高 28℃、最低 20℃，降水日 25 天。