| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-09-01 | 小毛毛雨 | 33°/25° | 0.4 mm |
| 2026-09-02 | 毛毛雨 | 31°/25° | 2.6 mm |
| 2026-09-03 | 小毛毛雨 | 30°/25° | 0.7 mm |
| 2026-09-04 | 大毛毛雨 | 30°/24° | 3.1 mm |
| 2026-09-05 | 小毛毛雨 | 30°/24° | 1.2 mm |
| 2026-09-06 | 小毛毛雨 | 31°/23° | 0.6 mm |
| 2026-09-07 | 小毛毛雨 | 29°/22° | 1.3 mm |
| 2026-09-08 | 小毛毛雨 | 29°/21° | 0.8 mm |
| 2026-09-09 | 小毛毛雨 | 26°/22° | 0.2 mm |
| 2026-09-10 | 小毛毛雨 | 27°/19° | 0.7 mm |
| 2026-09-11 | 大毛毛雨 | 23°/21° | 3.1 mm |
| 2026-09-12 | 阴 | 29°/21° | 0.0 mm |
| 2026-09-13 | 阴 | 30°/22° | 0.0 mm |
| 2026-09-14 | 阴 | 29°/22° | 0.0 mm |
| 2026-09-15 | 阴 | 28°/21° | 0.0 mm |
| 2026-09-16 | 阴 | 29°/20° | 0.0 mm |
| 2026-09-17 | 小毛毛雨 | 28°/22° | 0.6 mm |
| 2026-09-18 | 毛毛雨 | 28°/23° | 0.9 mm |
| 2026-09-19 | 大毛毛雨 | 28°/23° | 5.4 mm |
| 2026-09-20 | 阴 | 29°/22° | 0.0 mm |
| 2026-09-21 | 小毛毛雨 | 28°/21° | 0.7 mm |
| 2026-09-22 | 阴 | 29°/21° | 0.0 mm |
| 2026-09-23 | 阴 | 30°/22° | 0.0 mm |
| 2026-09-24 | 阴 | 30°/22° | 0.0 mm |
| 2026-09-25 | 毛毛雨 | 32°/23° | 1.8 mm |
| 2026-09-26 | 大毛毛雨 | 31°/23° | 4.3 mm |
| 2026-09-27 | 阵雨 | 29°/23° | 4.0 mm |
| 2026-09-28 | 毛毛雨 | 24°/23° | 2.8 mm |
| 2026-09-29 | 小毛毛雨 | 23°/22° | 0.9 mm |
| 2026-09-30 | 小毛毛雨 | 22°/21° | 1.0 mm |
2026年09月嘉定区共记录 30 天，平均最高 28℃、最低 22℃，降水日 21 天。