| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-09-01 | 阴 | 29°/18° | 0.0 mm |
| 2025-09-02 | 毛毛雨 | 25°/19° | 1.3 mm |
| 2025-09-03 | 晴天 | 25°/16° | 0.0 mm |
| 2025-09-04 | 大毛毛雨 | 28°/19° | 1.2 mm |
| 2025-09-05 | 毛毛雨 | 19°/16° | 1.3 mm |
| 2025-09-06 | 晴天 | 22°/12° | 0.0 mm |
| 2025-09-07 | 多云 | 17°/10° | 0.0 mm |
| 2025-09-08 | 多云 | 18°/11° | 0.0 mm |
| 2025-09-09 | 多云 | 20°/12° | 0.0 mm |
| 2025-09-10 | 阴 | 27°/13° | 0.0 mm |
| 2025-09-11 | 阴 | 23°/16° | 0.0 mm |
| 2025-09-12 | 阴 | 24°/16° | 0.0 mm |
| 2025-09-13 | 小毛毛雨 | 20°/10° | 0.3 mm |
| 2025-09-14 | 阴 | 16°/7° | 0.0 mm |
| 2025-09-15 | 小毛毛雨 | 18°/9° | 0.7 mm |
| 2025-09-16 | 阴 | 12°/5° | 0.0 mm |
| 2025-09-17 | 晴天 | 15°/8° | 0.0 mm |
| 2025-09-18 | 阴 | 19°/11° | 0.0 mm |
| 2025-09-19 | 阴 | 20°/12° | 0.0 mm |
| 2025-09-20 | 阴 | 17°/10° | 0.0 mm |
| 2025-09-21 | 阴 | 18°/11° | 0.0 mm |
| 2025-09-22 | 小毛毛雨 | 18°/12° | 1.0 mm |
| 2025-09-23 | 阴 | 16°/10° | 0.0 mm |
| 2025-09-24 | 阴 | 17°/7° | 0.0 mm |
| 2025-09-25 | 阴 | 19°/12° | 0.0 mm |
| 2025-09-26 | 阴 | 20°/13° | 0.0 mm |
| 2025-09-27 | 小毛毛雨 | 17°/14° | 0.4 mm |
| 2025-09-28 | 晴间多云 | 21°/13° | 0.0 mm |
| 2025-09-29 | 阴 | 21°/15° | 0.0 mm |
| 2025-09-30 | 阴 | 21°/14° | 0.0 mm |
2025年09月额尔德尼共记录 30 天，平均最高 20℃、最低 12℃，降水日 7 天。