| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-09-01 | 晴天 | 29°/19° | 0.0 mm |
| 2025-09-02 | 毛毛雨 | 29°/20° | 1.4 mm |
| 2025-09-03 | 毛毛雨 | 29°/21° | 2.1 mm |
| 2025-09-04 | 小毛毛雨 | 29°/21° | 0.2 mm |
| 2025-09-05 | 中雨 | 25°/19° | 9.7 mm |
| 2025-09-06 | 阴 | 27°/17° | 0.0 mm |
| 2025-09-07 | 阴 | 28°/18° | 0.0 mm |
| 2025-09-08 | 小毛毛雨 | 27°/17° | 0.8 mm |
| 2025-09-09 | 雷阵雨 | 28°/17° | 11.9 mm |
| 2025-09-10 | 大毛毛雨 | 26°/17° | 2.4 mm |
| 2025-09-11 | 阴 | 28°/20° | 0.0 mm |
| 2025-09-12 | 小毛毛雨 | 27°/19° | 0.1 mm |
| 2025-09-13 | 毛毛雨 | 26°/18° | 1.9 mm |
| 2025-09-14 | 大毛毛雨 | 28°/18° | 1.8 mm |
| 2025-09-15 | 阵雨 | 23°/16° | 5.1 mm |
| 2025-09-16 | 阴 | 21°/16° | 0.0 mm |
| 2025-09-17 | 阴 | 22°/13° | 0.0 mm |
| 2025-09-18 | 阴 | 24°/13° | 0.0 mm |
| 2025-09-19 | 阴 | 22°/15° | 0.0 mm |
| 2025-09-20 | 阴 | 25°/13° | 0.0 mm |
| 2025-09-21 | 小毛毛雨 | 25°/15° | 1.1 mm |
| 2025-09-22 | 大毛毛雨 | 19°/15° | 3.7 mm |
| 2025-09-23 | 阴 | 19°/14° | 0.0 mm |
| 2025-09-24 | 晴天 | 26°/12° | 0.0 mm |
| 2025-09-25 | 阴 | 26°/15° | 0.0 mm |
| 2025-09-26 | 阴 | 27°/17° | 0.0 mm |
| 2025-09-27 | 小毛毛雨 | 19°/16° | 0.3 mm |
| 2025-09-28 | 阴 | 27°/14° | 0.0 mm |
| 2025-09-29 | 阴 | 27°/16° | 0.0 mm |
| 2025-09-30 | 小毛毛雨 | 26°/16° | 0.4 mm |
2025年09月平谷区共记录 30 天，平均最高 25℃、最低 16℃，降水日 15 天。