| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-09-01 | 阴 | 26°/15° | 0.0 mm |
| 2025-09-02 | 阴 | 25°/16° | 0.0 mm |
| 2025-09-03 | 阴 | 26°/16° | 0.0 mm |
| 2025-09-04 | 阴 | 27°/16° | 0.0 mm |
| 2025-09-05 | 中阵雨 | 20°/14° | 28.3 mm |
| 2025-09-06 | 晴天 | 24°/10° | 0.0 mm |
| 2025-09-07 | 阴 | 24°/13° | 0.0 mm |
| 2025-09-08 | 小毛毛雨 | 25°/11° | 0.6 mm |
| 2025-09-09 | 阴 | 27°/13° | 0.0 mm |
| 2025-09-10 | 阴 | 28°/15° | 0.0 mm |
| 2025-09-11 | 中阵雨 | 26°/16° | 3.6 mm |
| 2025-09-12 | 中阵雨 | 24°/16° | 8.5 mm |
| 2025-09-13 | 阵雨 | 27°/15° | 2.6 mm |
| 2025-09-14 | 晴间多云 | 23°/14° | 0.0 mm |
| 2025-09-15 | 雷阵雨 | 25°/13° | 18.8 mm |
| 2025-09-16 | 阴 | 18°/12° | 0.0 mm |
| 2025-09-17 | 阴 | 17°/10° | 0.0 mm |
| 2025-09-18 | 阴 | 18°/9° | 0.0 mm |
| 2025-09-19 | 阴 | 21°/12° | 0.0 mm |
| 2025-09-20 | 阴 | 20°/12° | 0.0 mm |
| 2025-09-21 | 小毛毛雨 | 20°/11° | 0.2 mm |
| 2025-09-22 | 小毛毛雨 | 15°/11° | 0.1 mm |
| 2025-09-23 | 大毛毛雨 | 15°/11° | 1.7 mm |
| 2025-09-24 | 晴天 | 21°/9° | 0.0 mm |
| 2025-09-25 | 阴 | 20°/12° | 0.0 mm |
| 2025-09-26 | 阴 | 22°/13° | 0.0 mm |
| 2025-09-27 | 毛毛雨 | 21°/13° | 0.6 mm |
| 2025-09-28 | 阴 | 21°/12° | 0.0 mm |
| 2025-09-29 | 阴 | 22°/12° | 0.0 mm |
| 2025-09-30 | 阴 | 23°/11° | 0.0 mm |
2025年09月大同市共记录 30 天，平均最高 22℃、最低 12℃，降水日 10 天。