| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-09-01 | 阴 | 31°/18° | 0.0 mm |
| 2025-09-02 | 小毛毛雨 | 27°/19° | 0.1 mm |
| 2025-09-03 | 晴天 | 27°/17° | 0.0 mm |
| 2025-09-04 | 小毛毛雨 | 30°/19° | 0.3 mm |
| 2025-09-05 | 小雨 | 21°/15° | 3.6 mm |
| 2025-09-06 | 阴 | 23°/13° | 0.0 mm |
| 2025-09-07 | 晴天 | 19°/10° | 0.0 mm |
| 2025-09-08 | 多云 | 19°/10° | 0.0 mm |
| 2025-09-09 | 阴 | 21°/13° | 0.0 mm |
| 2025-09-10 | 阴 | 27°/14° | 0.0 mm |
| 2025-09-11 | 阴 | 24°/14° | 0.0 mm |
| 2025-09-12 | 小毛毛雨 | 26°/15° | 0.2 mm |
| 2025-09-13 | 小毛毛雨 | 21°/11° | 0.1 mm |
| 2025-09-14 | 阴 | 18°/8° | 0.0 mm |
| 2025-09-15 | 中雨 | 15°/9° | 9.0 mm |
| 2025-09-16 | 晴天 | 13°/5° | 0.0 mm |
| 2025-09-17 | 晴天 | 17°/9° | 0.0 mm |
| 2025-09-18 | 晴天 | 20°/11° | 0.0 mm |
| 2025-09-19 | 阴 | 20°/12° | 0.0 mm |
| 2025-09-20 | 阴 | 18°/10° | 0.0 mm |
| 2025-09-21 | 阴 | 20°/12° | 0.0 mm |
| 2025-09-22 | 小毛毛雨 | 21°/14° | 0.3 mm |
| 2025-09-23 | 毛毛雨 | 18°/10° | 1.2 mm |
| 2025-09-24 | 多云 | 19°/9° | 0.0 mm |
| 2025-09-25 | 阴 | 20°/11° | 0.0 mm |
| 2025-09-26 | 阴 | 21°/12° | 0.0 mm |
| 2025-09-27 | 小毛毛雨 | 22°/14° | 0.1 mm |
| 2025-09-28 | 阴 | 23°/13° | 0.0 mm |
| 2025-09-29 | 阴 | 23°/17° | 0.0 mm |
| 2025-09-30 | 阴 | 23°/14° | 0.0 mm |
2025年09月额尔根共记录 30 天，平均最高 21℃、最低 12℃，降水日 9 天。