| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2024-09-01 | 雾 | 29°/18° | 0.0 mm |
| 2024-09-02 | 晴天 | 25°/15° | 0.0 mm |
| 2024-09-03 | 阴 | 24°/12° | 0.0 mm |
| 2024-09-04 | 阴 | 29°/12° | 0.0 mm |
| 2024-09-05 | 雾 | 31°/18° | 0.0 mm |
| 2024-09-06 | 晴间多云 | 27°/17° | 0.0 mm |
| 2024-09-07 | 阴 | 22°/10° | 0.0 mm |
| 2024-09-08 | 晴间多云 | 23°/5° | 0.0 mm |
| 2024-09-09 | 晴天 | 26°/5° | 0.0 mm |
| 2024-09-10 | 晴天 | 29°/7° | 0.0 mm |
| 2024-09-11 | 阴 | 30°/12° | 0.0 mm |
| 2024-09-12 | 阴 | 25°/14° | 0.0 mm |
| 2024-09-13 | 大雨 | 21°/17° | 22.4 mm |
| 2024-09-14 | 雾 | 25°/19° | 0.0 mm |
| 2024-09-15 | 阴 | 24°/18° | 0.0 mm |
| 2024-09-16 | 阴 | 27°/17° | 0.0 mm |
| 2024-09-17 | 阴 | 29°/14° | 0.0 mm |
| 2024-09-18 | 晴间多云 | 29°/14° | 0.0 mm |
| 2024-09-19 | 多云 | 31°/15° | 0.0 mm |
| 2024-09-20 | 阴 | 34°/20° | 0.0 mm |
| 2024-09-21 | 阴 | 31°/20° | 0.0 mm |
| 2024-09-22 | 小毛毛雨 | 29°/21° | 0.4 mm |
| 2024-09-23 | 强阵雨 | 22°/18° | 123.7 mm |
| 2024-09-24 | 阴 | 22°/15° | 0.0 mm |
| 2024-09-25 | 阴 | 23°/13° | 0.0 mm |
| 2024-09-26 | 阴 | 24°/10° | 0.0 mm |
| 2024-09-27 | 大雨 | 17°/15° | 25.5 mm |
| 2024-09-28 | 阴 | 21°/17° | 0.0 mm |
| 2024-09-29 | 阴 | 23°/18° | 0.0 mm |
| 2024-09-30 | 阴 | 25°/16° | 0.0 mm |
2024年09月华盛顿共记录 30 天，平均最高 25℃、最低 14℃，降水日 4 天。