| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2024-09-01 | 晴天 | 34°/10° | 0.0 mm |
| 2024-09-02 | 阴 | 33°/15° | 0.0 mm |
| 2024-09-03 | 晴间多云 | 27°/13° | 0.0 mm |
| 2024-09-04 | 晴天 | 32°/10° | 0.0 mm |
| 2024-09-05 | 晴天 | 32°/11° | 0.0 mm |
| 2024-09-06 | 晴天 | 33°/12° | 0.0 mm |
| 2024-09-07 | 晴间多云 | 33°/12° | 0.0 mm |
| 2024-09-08 | 阴 | 33°/15° | 0.0 mm |
| 2024-09-09 | 晴天 | 31°/13° | 0.0 mm |
| 2024-09-10 | 多云 | 29°/11° | 0.0 mm |
| 2024-09-11 | 中雨 | 21°/12° | 3.6 mm |
| 2024-09-12 | 阴 | 17°/10° | 0.0 mm |
| 2024-09-13 | 晴天 | 21°/7° | 0.0 mm |
| 2024-09-14 | 多云 | 25°/7° | 0.0 mm |
| 2024-09-15 | 阴 | 25°/14° | 0.0 mm |
| 2024-09-16 | 中雨 | 27°/13° | 3.2 mm |
| 2024-09-17 | 阴 | 15°/11° | 0.0 mm |
| 2024-09-18 | 雾 | 20°/10° | 0.0 mm |
| 2024-09-19 | 晴天 | 23°/6° | 0.0 mm |
| 2024-09-20 | 阴 | 25°/8° | 0.0 mm |
| 2024-09-21 | 晴天 | 25°/9° | 0.0 mm |
| 2024-09-22 | 晴天 | 25°/6° | 0.0 mm |
| 2024-09-23 | 阴 | 27°/9° | 0.0 mm |
| 2024-09-24 | 多云 | 28°/11° | 0.0 mm |
| 2024-09-25 | 阴 | 30°/10° | 0.0 mm |
| 2024-09-26 | 阴 | 25°/13° | 0.0 mm |
| 2024-09-27 | 晴天 | 28°/8° | 0.0 mm |
| 2024-09-28 | 晴天 | 29°/9° | 0.0 mm |
| 2024-09-29 | 阴 | 24°/10° | 0.0 mm |
| 2024-09-30 | 晴天 | 21°/4° | 0.0 mm |
2024年09月华盛顿共记录 30 天，平均最高 26℃、最低 10℃，降水日 2 天。