| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-09-01 | 阴 | 35°/28° | 0.0 mm |
| 2025-09-02 | 阴 | 36°/28° | 0.0 mm |
| 2025-09-03 | 小毛毛雨 | 35°/29° | 0.1 mm |
| 2025-09-04 | 雷阵雨 | 30°/26° | 7.0 mm |
| 2025-09-05 | 雷阵雨 | 27°/24° | 64.7 mm |
| 2025-09-06 | 阴 | 31°/24° | 0.0 mm |
| 2025-09-07 | 阴 | 32°/25° | 0.0 mm |
| 2025-09-08 | 毛毛雨 | 35°/27° | 1.5 mm |
| 2025-09-09 | 小毛毛雨 | 33°/27° | 0.6 mm |
| 2025-09-10 | 雷阵雨伴有冰雹 | 32°/28° | 9.5 mm |
| 2025-09-11 | 雷阵雨伴有冰雹 | 31°/24° | 37.4 mm |
| 2025-09-12 | 阵雨 | 28°/24° | 14.6 mm |
| 2025-09-13 | 阵雨 | 31°/24° | 7.5 mm |
| 2025-09-14 | 阴 | 33°/27° | 0.0 mm |
| 2025-09-15 | 毛毛雨 | 30°/25° | 2.5 mm |
| 2025-09-16 | 雷阵雨 | 32°/27° | 2.9 mm |
| 2025-09-17 | 阴 | 33°/27° | 0.0 mm |
| 2025-09-18 | 阵雨 | 36°/24° | 4.5 mm |
| 2025-09-19 | 强阵雨 | 24°/21° | 33.6 mm |
| 2025-09-20 | 小毛毛雨 | 28°/23° | 0.1 mm |
| 2025-09-21 | 小毛毛雨 | 32°/24° | 0.1 mm |
| 2025-09-22 | 阴 | 26°/22° | 0.0 mm |
| 2025-09-23 | 阴 | 26°/20° | 0.0 mm |
| 2025-09-24 | 阴 | 27°/21° | 0.0 mm |
| 2025-09-25 | 阴 | 28°/22° | 0.0 mm |
| 2025-09-26 | 小毛毛雨 | 31°/25° | 0.1 mm |
| 2025-09-27 | 中阵雨 | 27°/23° | 6.0 mm |
| 2025-09-28 | 小毛毛雨 | 28°/23° | 0.8 mm |
| 2025-09-29 | 阵雨 | 31°/24° | 4.7 mm |
| 2025-09-30 | 大毛毛雨 | 27°/22° | 4.1 mm |
2025年09月世田谷区共记录 30 天，平均最高 30℃、最低 24℃，降水日 20 天。