| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2024-09-01 | 雾 | 30°/23° | 0.0 mm |
| 2024-09-02 | 阴 | 32°/23° | 0.0 mm |
| 2024-09-03 | 阴 | 33°/23° | 0.0 mm |
| 2024-09-04 | 阴 | 32°/24° | 0.0 mm |
| 2024-09-05 | 阴 | 30°/24° | 0.0 mm |
| 2024-09-06 | 小毛毛雨 | 30°/23° | 0.4 mm |
| 2024-09-07 | 晴天 | 31°/20° | 0.0 mm |
| 2024-09-08 | 阴 | 29°/17° | 0.0 mm |
| 2024-09-09 | 晴间多云 | 31°/15° | 0.0 mm |
| 2024-09-10 | 阴 | 31°/20° | 0.0 mm |
| 2024-09-11 | 雾 | 30°/23° | 0.0 mm |
| 2024-09-12 | 阴 | 30°/21° | 0.0 mm |
| 2024-09-13 | 阴 | 35°/18° | 0.0 mm |
| 2024-09-14 | 阴 | 35°/24° | 0.0 mm |
| 2024-09-15 | 阴 | 35°/25° | 0.0 mm |
| 2024-09-16 | 阴 | 34°/22° | 0.0 mm |
| 2024-09-17 | 阴 | 34°/22° | 0.0 mm |
| 2024-09-18 | 阴 | 35°/23° | 0.0 mm |
| 2024-09-19 | 雾 | 35°/24° | 0.0 mm |
| 2024-09-20 | 雾 | 35°/24° | 0.0 mm |
| 2024-09-21 | 雾 | 34°/23° | 0.0 mm |
| 2024-09-22 | 雾 | 34°/22° | 0.0 mm |
| 2024-09-23 | 阴 | 32°/23° | 0.0 mm |
| 2024-09-24 | 小毛毛雨 | 33°/24° | 0.4 mm |
| 2024-09-25 | 阴 | 33°/22° | 0.0 mm |
| 2024-09-26 | 晴间多云 | 31°/19° | 0.0 mm |
| 2024-09-27 | 晴天 | 32°/16° | 0.0 mm |
| 2024-09-28 | 晴天 | 33°/17° | 0.0 mm |
| 2024-09-29 | 晴天 | 33°/16° | 0.0 mm |
| 2024-09-30 | 晴天 | 33°/19° | 0.0 mm |
2024年09月华盛顿共记录 30 天，平均最高 32℃、最低 21℃，降水日 2 天。