| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-09-01 | 毛毛雨 | 20°/16° | 1.5 mm |
| 2025-09-02 | 阵雨 | 24°/17° | 5.2 mm |
| 2025-09-03 | 阵雨 | 24°/15° | 10.6 mm |
| 2025-09-04 | 小毛毛雨 | 22°/13° | 0.2 mm |
| 2025-09-05 | 毛毛雨 | 23°/14° | 1.0 mm |
| 2025-09-06 | 小毛毛雨 | 26°/15° | 0.3 mm |
| 2025-09-07 | 毛毛雨 | 20°/17° | 1.7 mm |
| 2025-09-08 | 小毛毛雨 | 25°/16° | 0.5 mm |
| 2025-09-09 | 阴 | 22°/15° | 0.0 mm |
| 2025-09-10 | 小毛毛雨 | 26°/17° | 0.4 mm |
| 2025-09-11 | 毛毛雨 | 21°/14° | 2.1 mm |
| 2025-09-12 | 阴 | 22°/13° | 0.0 mm |
| 2025-09-13 | 中阵雨 | 20°/13° | 15.1 mm |
| 2025-09-14 | 强阵雨 | 22°/12° | 51.4 mm |
| 2025-09-15 | 晴天 | 22°/12° | 0.0 mm |
| 2025-09-16 | 阴 | 24°/15° | 0.0 mm |
| 2025-09-17 | 小毛毛雨 | 24°/15° | 0.7 mm |
| 2025-09-18 | 阵雨 | 18°/10° | 3.3 mm |
| 2025-09-19 | 小毛毛雨 | 19°/10° | 0.9 mm |
| 2025-09-20 | 强阵雨 | 17°/10° | 57.1 mm |
| 2025-09-21 | 强阵雨 | 16°/10° | 52.6 mm |
| 2025-09-22 | 小毛毛雨 | 18°/7° | 0.6 mm |
| 2025-09-23 | 小毛毛雨 | 18°/10° | 0.3 mm |
| 2025-09-24 | 阴 | 18°/10° | 0.0 mm |
| 2025-09-25 | 中雨 | 17°/12° | 21.3 mm |
| 2025-09-26 | 小毛毛雨 | 22°/13° | 0.6 mm |
| 2025-09-27 | 小毛毛雨 | 21°/12° | 0.2 mm |
| 2025-09-28 | 阴 | 21°/12° | 0.0 mm |
| 2025-09-29 | 毛毛雨 | 19°/12° | 1.3 mm |
| 2025-09-30 | 阴 | 16°/8° | 0.0 mm |
2025年09月阿寒郡共记录 30 天，平均最高 20℃、最低 12℃，降水日 23 天。