| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-09-01 | 小毛毛雨 | 20°/10° | 1.1 mm |
| 2025-09-02 | 小毛毛雨 | 22°/9° | 0.1 mm |
| 2025-09-03 | 毛毛雨 | 23°/13° | 5.0 mm |
| 2025-09-04 | 阴 | 23°/10° | 0.0 mm |
| 2025-09-05 | 强阵雨 | 20°/10° | 30.1 mm |
| 2025-09-06 | 毛毛雨 | 13°/8° | 2.3 mm |
| 2025-09-07 | 阵雨 | 9°/6° | 11.2 mm |
| 2025-09-08 | 毛毛雨 | 13°/7° | 5.8 mm |
| 2025-09-09 | 毛毛雨 | 16°/7° | 2.7 mm |
| 2025-09-10 | 阴 | 17°/6° | 0.0 mm |
| 2025-09-11 | 大毛毛雨 | 17°/8° | 4.2 mm |
| 2025-09-12 | 毛毛雨 | 18°/8° | 1.6 mm |
| 2025-09-13 | 中阵雨 | 17°/6° | 9.9 mm |
| 2025-09-14 | 雷阵雨 | 14°/7° | 5.7 mm |
| 2025-09-15 | 小毛毛雨 | 17°/5° | 0.2 mm |
| 2025-09-16 | 小雨 | 12°/5° | 3.1 mm |
| 2025-09-17 | 小毛毛雨 | 15°/4° | 0.1 mm |
| 2025-09-18 | 阴 | 17°/5° | 0.0 mm |
| 2025-09-19 | 小毛毛雨 | 14°/5° | 0.1 mm |
| 2025-09-20 | 小毛毛雨 | 14°/4° | 0.5 mm |
| 2025-09-21 | 阴 | 19°/5° | 0.0 mm |
| 2025-09-22 | 阴 | 21°/7° | 0.0 mm |
| 2025-09-23 | 毛毛雨 | 18°/9° | 2.0 mm |
| 2025-09-24 | 小雨 | 12°/11° | 13.0 mm |
| 2025-09-25 | 小毛毛雨 | 16°/10° | 2.0 mm |
| 2025-09-26 | 晴天 | 20°/8° | 0.0 mm |
| 2025-09-27 | 阴 | 22°/10° | 0.0 mm |
| 2025-09-28 | 阴 | 20°/10° | 0.0 mm |
| 2025-09-29 | 小毛毛雨 | 21°/9° | 0.1 mm |
| 2025-09-30 | 小毛毛雨 | 20°/9° | 0.8 mm |
2025年09月额尔古纳市共记录 30 天，平均最高 17℃、最低 7℃，降水日 22 天。