| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2024-09-01 | 晴间多云 | 21°/12° | 0.0 mm |
| 2024-09-02 | 阴 | 22°/9° | 0.0 mm |
| 2024-09-03 | 多云 | 24°/12° | 0.0 mm |
| 2024-09-04 | 阴 | 25°/13° | 0.0 mm |
| 2024-09-05 | 小毛毛雨 | 22°/14° | 0.0 mm |
| 2024-09-06 | 大毛毛雨 | 18°/10° | 0.0 mm |
| 2024-09-07 | 阴 | 19°/6° | 0.0 mm |
| 2024-09-08 | 阴 | 24°/10° | 0.0 mm |
| 2024-09-09 | 晴间多云 | 26°/13° | 0.0 mm |
| 2024-09-10 | 小毛毛雨 | 25°/16° | 0.0 mm |
| 2024-09-11 | 晴间多云 | 27°/15° | 0.0 mm |
| 2024-09-12 | 晴天 | 27°/14° | 0.0 mm |
| 2024-09-13 | 阴 | 26°/15° | 0.0 mm |
| 2024-09-14 | 小毛毛雨 | 24°/18° | 0.0 mm |
| 2024-09-15 | 阴 | 29°/18° | 0.0 mm |
| 2024-09-16 | 小毛毛雨 | 29°/19° | 0.0 mm |
| 2024-09-17 | 阴 | 29°/18° | 0.0 mm |
| 2024-09-18 | 小毛毛雨 | 27°/18° | 0.0 mm |
| 2024-09-19 | 中雨 | 28°/19° | 0.0 mm |
| 2024-09-20 | 晴天 | 26°/14° | 0.0 mm |
| 2024-09-21 | 中雨 | 26°/14° | 0.0 mm |
| 2024-09-22 | 阴 | 18°/9° | 0.0 mm |
| 2024-09-23 | 晴天 | 20°/6° | 0.0 mm |
| 2024-09-24 | 小毛毛雨 | 21°/9° | 0.0 mm |
| 2024-09-25 | 晴天 | 24°/9° | 0.0 mm |
| 2024-09-26 | 晴天 | 26°/11° | 0.0 mm |
| 2024-09-27 | 晴天 | 27°/11° | 0.0 mm |
| 2024-09-28 | 晴天 | 27°/12° | 0.0 mm |
| 2024-09-29 | 晴天 | 27°/11° | 0.0 mm |
| 2024-09-30 | 晴间多云 | 27°/13° | 0.0 mm |
2024年09月华盛顿共记录 30 天，平均最高 24℃、最低 12℃，降水日 9 天。