| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2024-09-01 | 晴天 | 23°/10° | 0.0 mm |
| 2024-09-02 | 阴 | 19°/11° | 0.0 mm |
| 2024-09-03 | 小毛毛雨 | 12°/7° | 0.0 mm |
| 2024-09-04 | 多云 | 15°/6° | 0.0 mm |
| 2024-09-05 | 多云 | 19°/8° | 0.0 mm |
| 2024-09-06 | 多云 | 21°/10° | 0.0 mm |
| 2024-09-07 | 小毛毛雨 | 23°/9° | 0.0 mm |
| 2024-09-08 | 毛毛雨 | 8°/4° | 4.4 mm |
| 2024-09-09 | 晴间多云 | 11°/2° | 0.0 mm |
| 2024-09-10 | 晴天 | 15°/5° | 0.0 mm |
| 2024-09-11 | 阴 | 17°/8° | 0.0 mm |
| 2024-09-12 | 小毛毛雨 | 12°/6° | 0.7 mm |
| 2024-09-13 | 晴间多云 | 14°/5° | 0.5 mm |
| 2024-09-14 | 小雨 | 11°/4° | 8.0 mm |
| 2024-09-15 | 晴间多云 | 8°/1° | 0.0 mm |
| 2024-09-16 | 晴天 | 14°/3° | 0.0 mm |
| 2024-09-17 | 阴 | 15°/5° | 0.0 mm |
| 2024-09-18 | 小雪 | 8°/0° | 1.3 mm |
| 2024-09-19 | 中雪 | 4°/-2° | 0.7 mm |
| 2024-09-20 | 晴天 | 10°/0° | 0.0 mm |
| 2024-09-21 | 小毛毛雨 | 13°/4° | 0.0 mm |
| 2024-09-22 | 阴 | 13°/7° | 0.0 mm |
| 2024-09-23 | 小毛毛雨 | 11°/6° | 1.7 mm |
| 2024-09-24 | 晴天 | 13°/5° | 0.0 mm |
| 2024-09-25 | 阴 | 13°/5° | 0.0 mm |
| 2024-09-26 | 阴 | 8°/3° | 0.0 mm |
| 2024-09-27 | 小毛毛雨 | 7°/1° | 0.4 mm |
| 2024-09-28 | 阴 | 2°/-3° | 0.0 mm |
| 2024-09-29 | 阴 | -1°/-6° | 0.0 mm |
| 2024-09-30 | 阴 | 3°/-5° | 0.0 mm |
2024年09月蒙古共记录 30 天，平均最高 12℃、最低 3℃，降水日 11 天。