| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-09-01 | 阴 | 17°/7° | 0.0 mm |
| 2026-09-02 | 阴 | 18°/9° | 0.0 mm |
| 2026-09-03 | 晴天 | 19°/8° | 0.0 mm |
| 2026-09-04 | 阴 | 20°/9° | 0.0 mm |
| 2026-09-05 | 多云 | 20°/10° | 0.0 mm |
| 2026-09-06 | 阴 | 21°/10° | 0.0 mm |
| 2026-09-07 | 阴 | 20°/11° | 0.0 mm |
| 2026-09-08 | 阴 | 21°/10° | 0.0 mm |
| 2026-09-09 | 晴间多云 | 21°/9° | 0.0 mm |
| 2026-09-10 | 晴天 | 21°/9° | 0.0 mm |
| 2026-09-11 | 阴 | 21°/11° | 0.0 mm |
| 2026-09-12 | 阴 | 20°/9° | 0.0 mm |
| 2026-09-13 | 阴 | 21°/11° | 0.0 mm |
| 2026-09-14 | 大雨 | 15°/10° | 28.8 mm |
| 2026-09-15 | 毛毛雨 | 15°/8° | 1.5 mm |
| 2026-09-16 | 阴 | 17°/9° | 0.0 mm |
| 2026-09-17 | 大雨 | 12°/9° | 67.4 mm |
| 2026-09-18 | 阴 | 15°/9° | 0.0 mm |
| 2026-09-19 | 小雨 | 13°/6° | 2.2 mm |
| 2026-09-20 | 晴间多云 | 14°/4° | 0.0 mm |
| 2026-09-21 | 阴 | 16°/5° | 0.0 mm |
| 2026-09-22 | 阴 | 16°/7° | 0.0 mm |
| 2026-09-23 | 阴 | 13°/8° | 0.0 mm |
| 2026-09-24 | 大雨 | 12°/5° | 11.2 mm |
| 2026-09-25 | 中雨 | 12°/6° | 5.0 mm |
| 2026-09-26 | 晴间多云 | 15°/6° | 0.0 mm |
| 2026-09-27 | 阴 | 15°/8° | 0.0 mm |
| 2026-09-28 | 中雨 | 10°/5° | 12.1 mm |
| 2026-09-29 | 阴 | 10°/6° | 0.0 mm |
| 2026-09-30 | 雾 | 7°/6° | 0.0 mm |
2026年09月蒙特罗斯共记录 30 天，平均最高 16℃、最低 8℃，降水日 7 天。