| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2024-09-01 | 中阵雨 | 34°/23° | 2.9 mm |
| 2024-09-02 | 阴 | 35°/23° | 0.0 mm |
| 2024-09-03 | 阴 | 34°/25° | 0.0 mm |
| 2024-09-04 | 阴 | 31°/24° | 0.0 mm |
| 2024-09-05 | 阴 | 31°/24° | 0.0 mm |
| 2024-09-06 | 小雨 | 25°/23° | 4.6 mm |
| 2024-09-07 | 中雨 | 24°/22° | 9.1 mm |
| 2024-09-08 | 大毛毛雨 | 26°/23° | 2.2 mm |
| 2024-09-09 | 阴 | 27°/23° | 0.0 mm |
| 2024-09-10 | 阴 | 29°/22° | 0.0 mm |
| 2024-09-11 | 大毛毛雨 | 25°/21° | 1.8 mm |
| 2024-09-12 | 大雨 | 28°/23° | 37.1 mm |
| 2024-09-13 | 强阵雨 | 28°/23° | 100.8 mm |
| 2024-09-14 | 雾 | 30°/23° | 0.0 mm |
| 2024-09-15 | 阴 | 27°/23° | 0.0 mm |
| 2024-09-16 | 阴 | 27°/22° | 0.0 mm |
| 2024-09-17 | 阴 | 28°/21° | 0.0 mm |
| 2024-09-18 | 阴 | 31°/22° | 0.0 mm |
| 2024-09-19 | 多云 | 32°/22° | 0.0 mm |
| 2024-09-20 | 晴间多云 | 33°/21° | 0.0 mm |
| 2024-09-21 | 晴间多云 | 33°/21° | 0.0 mm |
| 2024-09-22 | 晴间多云 | 33°/21° | 0.0 mm |
| 2024-09-23 | 多云 | 34°/22° | 0.0 mm |
| 2024-09-24 | 阴 | 31°/21° | 0.0 mm |
| 2024-09-25 | 阴 | 31°/23° | 0.0 mm |
| 2024-09-26 | 大雨 | 24°/22° | 206.2 mm |
| 2024-09-27 | 阴 | 26°/19° | 0.0 mm |
| 2024-09-28 | 晴天 | 29°/21° | 0.0 mm |
| 2024-09-29 | 晴天 | 30°/22° | 0.0 mm |
| 2024-09-30 | 晴天 | 30°/20° | 0.0 mm |
2024年09月华盛顿共记录 30 天，平均最高 29℃、最低 22℃，降水日 8 天。