| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-09-01 | 中阵雨 | 20°/16° | 15.0 mm |
| 2026-09-02 | 强阵雨 | 18°/15° | 58.6 mm |
| 2026-09-03 | 雷阵雨 | 20°/17° | 17.7 mm |
| 2026-09-04 | 阵雨 | 21°/15° | 2.6 mm |
| 2026-09-05 | 晴天 | 22°/13° | 0.0 mm |
| 2026-09-06 | 多云 | 21°/14° | 0.0 mm |
| 2026-09-07 | 小毛毛雨 | 19°/17° | 2.7 mm |
| 2026-09-08 | 阴 | 23°/16° | 0.0 mm |
| 2026-09-09 | 阴 | 21°/12° | 0.0 mm |
| 2026-09-10 | 阴 | 20°/11° | 0.0 mm |
| 2026-09-11 | 阴 | 21°/14° | 0.0 mm |
| 2026-09-12 | 阴 | 23°/13° | 0.0 mm |
| 2026-09-13 | 小毛毛雨 | 20°/15° | 0.6 mm |
| 2026-09-14 | 毛毛雨 | 23°/14° | 2.5 mm |
| 2026-09-15 | 阴 | 20°/13° | 0.0 mm |
| 2026-09-16 | 阴 | 21°/12° | 0.0 mm |
| 2026-09-17 | 小毛毛雨 | 20°/14° | 0.3 mm |
| 2026-09-18 | 小毛毛雨 | 19°/14° | 1.3 mm |
| 2026-09-19 | 小毛毛雨 | 18°/15° | 0.6 mm |
| 2026-09-20 | 小毛毛雨 | 20°/17° | 0.6 mm |
| 2026-09-21 | 小毛毛雨 | 22°/16° | 0.1 mm |
| 2026-09-22 | 阴 | 23°/13° | 0.0 mm |
| 2026-09-23 | 阴 | 21°/12° | 0.0 mm |
| 2026-09-24 | 毛毛雨 | 21°/12° | 2.0 mm |
| 2026-09-25 | 阴 | 18°/9° | 0.0 mm |
| 2026-09-26 | 阴 | 17°/11° | 0.0 mm |
| 2026-09-27 | 毛毛雨 | 19°/14° | 7.2 mm |
| 2026-09-28 | 阵雨 | 18°/16° | 14.2 mm |
| 2026-09-29 | 小毛毛雨 | 19°/12° | 0.4 mm |
| 2026-09-30 | 小毛毛雨 | 19°/11° | 0.1 mm |
2026年09月登别市共记录 30 天，平均最高 20℃、最低 13℃，降水日 17 天。