| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-09-01 | 中雨 | 20°/15° | 4.6 mm |
| 2026-09-02 | 阴 | 23°/15° | 0.0 mm |
| 2026-09-03 | 中雨 | 26°/16° | 4.4 mm |
| 2026-09-04 | 阴 | 27°/19° | 0.0 mm |
| 2026-09-05 | 阴 | 23°/16° | 0.0 mm |
| 2026-09-06 | 阴 | 21°/14° | 0.0 mm |
| 2026-09-07 | 晴间多云 | 25°/11° | 0.0 mm |
| 2026-09-08 | 阴 | 26°/13° | 0.0 mm |
| 2026-09-09 | 阴 | 24°/15° | 0.0 mm |
| 2026-09-10 | 阴 | 28°/20° | 0.0 mm |
| 2026-09-11 | 阴 | 24°/13° | 0.0 mm |
| 2026-09-12 | 阴 | 23°/10° | 0.0 mm |
| 2026-09-13 | 大雨 | 22°/14° | 28.7 mm |
| 2026-09-14 | 雾 | 23°/14° | 0.0 mm |
| 2026-09-15 | 晴间多云 | 21°/9° | 0.0 mm |
| 2026-09-16 | 阴 | 23°/10° | 0.0 mm |
| 2026-09-17 | 小雨 | 25°/17° | 1.8 mm |
| 2026-09-18 | 阴 | 27°/18° | 0.0 mm |
| 2026-09-19 | 阴 | 19°/12° | 0.0 mm |
| 2026-09-20 | 小雨 | 17°/12° | 6.2 mm |
| 2026-09-21 | 中雨 | 19°/12° | 2.9 mm |
| 2026-09-22 | 阴 | 18°/10° | 0.0 mm |
| 2026-09-23 | 多云 | 18°/9° | 0.0 mm |
| 2026-09-24 | 阴 | 18°/9° | 0.0 mm |
| 2026-09-25 | 小雨 | 17°/10° | 3.6 mm |
| 2026-09-26 | 大雨 | 14°/12° | 28.1 mm |
| 2026-09-27 | 大雨 | 18°/14° | 45.9 mm |
| 2026-09-28 | 小雨 | 17°/13° | 5.8 mm |
| 2026-09-29 | 阴 | 19°/12° | 0.0 mm |
| 2026-09-30 | 阴 | 19°/13° | 0.0 mm |
2026年09月华盛顿共记录 30 天，平均最高 21℃、最低 13℃，降水日 10 天。