| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2024-09-01 | 阴 | 38°/23° | 0.0 mm |
| 2024-09-02 | 多云 | 36°/23° | 0.0 mm |
| 2024-09-03 | 阴 | 34°/22° | 0.0 mm |
| 2024-09-04 | 阴 | 31°/23° | 0.0 mm |
| 2024-09-05 | 毛毛雨 | 27°/24° | 0.7 mm |
| 2024-09-06 | 中雨 | 24°/21° | 11.6 mm |
| 2024-09-07 | 阴 | 30°/20° | 0.0 mm |
| 2024-09-08 | 阴 | 32°/18° | 0.0 mm |
| 2024-09-09 | 雾 | 31°/18° | 0.0 mm |
| 2024-09-10 | 阴 | 28°/21° | 0.0 mm |
| 2024-09-11 | 小雨 | 25°/21° | 5.4 mm |
| 2024-09-12 | 中雨 | 28°/21° | 8.7 mm |
| 2024-09-13 | 阴 | 31°/21° | 0.0 mm |
| 2024-09-14 | 阴 | 31°/21° | 0.0 mm |
| 2024-09-15 | 大雨 | 27°/22° | 26.6 mm |
| 2024-09-16 | 强阵雨 | 25°/22° | 12.7 mm |
| 2024-09-17 | 阴 | 29°/21° | 0.0 mm |
| 2024-09-18 | 阴 | 33°/20° | 0.0 mm |
| 2024-09-19 | 晴间多云 | 33°/19° | 0.0 mm |
| 2024-09-20 | 晴间多云 | 33°/19° | 0.0 mm |
| 2024-09-21 | 晴间多云 | 34°/19° | 0.0 mm |
| 2024-09-22 | 多云 | 34°/20° | 0.0 mm |
| 2024-09-23 | 多云 | 34°/21° | 0.0 mm |
| 2024-09-24 | 阴 | 34°/20° | 0.0 mm |
| 2024-09-25 | 阴 | 32°/21° | 0.0 mm |
| 2024-09-26 | 雾 | 28°/20° | 0.0 mm |
| 2024-09-27 | 晴天 | 30°/17° | 0.0 mm |
| 2024-09-28 | 阴 | 31°/17° | 0.0 mm |
| 2024-09-29 | 晴间多云 | 31°/19° | 0.0 mm |
| 2024-09-30 | 阴 | 31°/18° | 0.0 mm |
2024年09月华盛顿共记录 30 天，平均最高 30℃、最低 20℃，降水日 6 天。