| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2024-09-01 | 阴 | 29°/15° | 0.0 mm |
| 2024-09-02 | 阴 | 20°/14° | 0.0 mm |
| 2024-09-03 | 阴 | 25°/12° | 0.0 mm |
| 2024-09-04 | 多云 | 34°/11° | 0.0 mm |
| 2024-09-05 | 晴间多云 | 37°/17° | 0.0 mm |
| 2024-09-06 | 阴 | 34°/17° | 0.0 mm |
| 2024-09-07 | 阴 | 30°/19° | 0.0 mm |
| 2024-09-08 | 晴天 | 29°/15° | 0.0 mm |
| 2024-09-09 | 阴 | 28°/12° | 0.0 mm |
| 2024-09-10 | 毛毛雨 | 27°/12° | 1.1 mm |
| 2024-09-11 | 中雨 | 19°/13° | 2.9 mm |
| 2024-09-12 | 小毛毛雨 | 20°/13° | 0.0 mm |
| 2024-09-13 | 阴 | 23°/9° | 0.0 mm |
| 2024-09-14 | 小毛毛雨 | 22°/13° | 4.3 mm |
| 2024-09-15 | 小毛毛雨 | 19°/9° | 0.0 mm |
| 2024-09-16 | 多云 | 25°/10° | 0.0 mm |
| 2024-09-17 | 小毛毛雨 | 18°/8° | 0.0 mm |
| 2024-09-18 | 小毛毛雨 | 21°/15° | 0.0 mm |
| 2024-09-19 | 阴 | 24°/10° | 0.0 mm |
| 2024-09-20 | 阴 | 21°/9° | 0.0 mm |
| 2024-09-21 | 阴 | 26°/8° | 0.0 mm |
| 2024-09-22 | 阴 | 26°/9° | 0.0 mm |
| 2024-09-23 | 阴 | 26°/13° | 0.0 mm |
| 2024-09-24 | 阴 | 32°/15° | 0.0 mm |
| 2024-09-25 | 小雨 | 19°/11° | 11.5 mm |
| 2024-09-26 | 小毛毛雨 | 19°/9° | 0.0 mm |
| 2024-09-27 | 毛毛雨 | 22°/13° | 0.0 mm |
| 2024-09-28 | 阴 | 23°/9° | 0.0 mm |
| 2024-09-29 | 阴 | 19°/5° | 0.0 mm |
| 2024-09-30 | 阴 | 23°/5° | 0.0 mm |
2024年09月华盛顿共记录 30 天，平均最高 24℃、最低 11℃，降水日 10 天。