| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2024-09-01 | 晴天 | 25°/14° | 0.0 mm |
| 2024-09-02 | 阴 | 24°/11° | 0.0 mm |
| 2024-09-03 | 阴 | 24°/10° | 0.0 mm |
| 2024-09-04 | 晴天 | 25°/9° | 0.0 mm |
| 2024-09-05 | 阴 | 27°/12° | 0.0 mm |
| 2024-09-06 | 小毛毛雨 | 22°/12° | 0.0 mm |
| 2024-09-07 | 晴天 | 20°/8° | 0.0 mm |
| 2024-09-08 | 多云 | 22°/6° | 0.0 mm |
| 2024-09-09 | 晴天 | 25°/8° | 0.0 mm |
| 2024-09-10 | 阴 | 26°/10° | 0.0 mm |
| 2024-09-11 | 晴间多云 | 29°/11° | 0.0 mm |
| 2024-09-12 | 阴 | 29°/13° | 0.0 mm |
| 2024-09-13 | 毛毛雨 | 26°/16° | 0.0 mm |
| 2024-09-14 | 小雨 | 28°/18° | 0.0 mm |
| 2024-09-15 | 小毛毛雨 | 29°/18° | 0.0 mm |
| 2024-09-16 | 阴 | 29°/17° | 0.0 mm |
| 2024-09-17 | 多云 | 29°/15° | 0.0 mm |
| 2024-09-18 | 阴 | 29°/13° | 0.0 mm |
| 2024-09-19 | 小毛毛雨 | 32°/16° | 0.0 mm |
| 2024-09-20 | 中雨 | 32°/18° | 1.8 mm |
| 2024-09-21 | 小雨 | 30°/16° | 0.0 mm |
| 2024-09-22 | 中雨 | 21°/14° | 130.7 mm |
| 2024-09-23 | 小雨 | 20°/11° | 0.7 mm |
| 2024-09-24 | 小雨 | 22°/14° | 0.0 mm |
| 2024-09-25 | 多云 | 25°/11° | 0.0 mm |
| 2024-09-26 | 多云 | 26°/11° | 0.0 mm |
| 2024-09-27 | 阴 | 25°/13° | 0.0 mm |
| 2024-09-28 | 阴 | 28°/15° | 0.0 mm |
| 2024-09-29 | 晴天 | 28°/13° | 0.0 mm |
| 2024-09-30 | 阴 | 28°/13° | 0.0 mm |
2024年09月华盛顿共记录 30 天，平均最高 26℃、最低 12℃，降水日 10 天。