| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-09-01 | 阴 | 35°/25° | 0.0 mm |
| 2026-09-02 | 阴 | 35°/24° | 0.0 mm |
| 2026-09-03 | 阴 | 34°/25° | 0.0 mm |
| 2026-09-04 | 阴 | 34°/25° | 0.0 mm |
| 2026-09-05 | 阴 | 33°/26° | 0.0 mm |
| 2026-09-06 | 阴 | 34°/26° | 0.0 mm |
| 2026-09-07 | 阴 | 34°/25° | 0.0 mm |
| 2026-09-08 | 阴 | 34°/26° | 0.0 mm |
| 2026-09-09 | 毛毛雨 | 34°/25° | 1.1 mm |
| 2026-09-10 | 小毛毛雨 | 31°/24° | 0.6 mm |
| 2026-09-11 | 阵雨 | 33°/24° | 2.4 mm |
| 2026-09-12 | 阵雨 | 33°/24° | 2.3 mm |
| 2026-09-13 | 毛毛雨 | 33°/24° | 0.6 mm |
| 2026-09-14 | 阵雨 | 32°/24° | 2.9 mm |
| 2026-09-15 | 大毛毛雨 | 33°/24° | 3.5 mm |
| 2026-09-16 | 雷阵雨 | 31°/24° | 29.2 mm |
| 2026-09-17 | 雷阵雨 | 31°/23° | 20.6 mm |
| 2026-09-18 | 阵雨 | 30°/23° | 7.7 mm |
| 2026-09-19 | 毛毛雨 | 31°/23° | 1.6 mm |
| 2026-09-20 | 阴 | 32°/24° | 0.0 mm |
| 2026-09-21 | 阵雨 | 31°/24° | 8.7 mm |
| 2026-09-22 | 中阵雨 | 31°/23° | 15.7 mm |
| 2026-09-23 | 阵雨 | 32°/24° | 13.9 mm |
| 2026-09-24 | 毛毛雨 | 30°/23° | 4.2 mm |
| 2026-09-25 | 阵雨 | 31°/23° | 6.7 mm |
| 2026-09-26 | 阵雨 | 31°/23° | 7.5 mm |
| 2026-09-27 | 阵雨 | 31°/24° | 8.2 mm |
| 2026-09-28 | 中阵雨 | 31°/23° | 9.6 mm |
| 2026-09-29 | 小毛毛雨 | 32°/23° | 0.1 mm |
| 2026-09-30 | 阴 | 31°/24° | 0.0 mm |
2026年09月新华盛顿自治市共记录 30 天，平均最高 32℃、最低 24℃，降水日 20 天。