| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-09-01 | 阴 | 19°/6° | 0.0 mm |
| 2025-09-02 | 中雨 | 10°/4° | 6.3 mm |
| 2025-09-03 | 阴 | 14°/3° | 0.0 mm |
| 2025-09-04 | 小毛毛雨 | 15°/3° | 0.2 mm |
| 2025-09-05 | 小阵雪 | 6°/0° | 1.1 mm |
| 2025-09-06 | 小毛毛雨 | 6°/0° | 0.1 mm |
| 2025-09-07 | 中雪 | 3°/-1° | 3.8 mm |
| 2025-09-08 | 小毛毛雨 | 8°/-3° | 0.1 mm |
| 2025-09-09 | 阴 | 10°/0° | 0.0 mm |
| 2025-09-10 | 毛毛雨 | 11°/3° | 2.1 mm |
| 2025-09-11 | 小毛毛雨 | 10°/2° | 1.2 mm |
| 2025-09-12 | 大毛毛雨 | 11°/0° | 3.1 mm |
| 2025-09-13 | 小阵雪 | 4°/0° | 15.2 mm |
| 2025-09-14 | 阴 | 8°/-1° | 0.0 mm |
| 2025-09-15 | 小毛毛雨 | 3°/-4° | 0.1 mm |
| 2025-09-16 | 阴 | 7°/-4° | 0.0 mm |
| 2025-09-17 | 晴天 | 9°/-1° | 0.0 mm |
| 2025-09-18 | 阴 | 11°/1° | 0.0 mm |
| 2025-09-19 | 阴 | 9°/0° | 0.0 mm |
| 2025-09-20 | 阴 | 11°/1° | 0.0 mm |
| 2025-09-21 | 小毛毛雨 | 12°/4° | 0.2 mm |
| 2025-09-22 | 中雨 | 9°/3° | 6.6 mm |
| 2025-09-23 | 中阵雨 | 4°/1° | 9.6 mm |
| 2025-09-24 | 阴 | 9°/1° | 0.0 mm |
| 2025-09-25 | 阴 | 12°/2° | 0.0 mm |
| 2025-09-26 | 阴 | 14°/5° | 0.0 mm |
| 2025-09-27 | 小毛毛雨 | 13°/5° | 0.1 mm |
| 2025-09-28 | 阴 | 14°/4° | 0.0 mm |
| 2025-09-29 | 阴 | 13°/5° | 0.0 mm |
| 2025-09-30 | 阴 | 11°/2° | 0.0 mm |
2025年09月额尔德尼共记录 30 天，平均最高 9℃、最低 1℃，降水日 15 天。