| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-09-01 | 毛毛雨 | 21°/12° | 4.8 mm |
| 2026-09-02 | 多云 | 23°/10° | 0.0 mm |
| 2026-09-03 | 晴天 | 23°/7° | 0.0 mm |
| 2026-09-04 | 阴 | 23°/6° | 0.0 mm |
| 2026-09-05 | 阴 | 20°/10° | 0.0 mm |
| 2026-09-06 | 阴 | 21°/9° | 0.0 mm |
| 2026-09-07 | 阴 | 25°/9° | 0.0 mm |
| 2026-09-08 | 毛毛雨 | 18°/5° | 2.4 mm |
| 2026-09-09 | 阴 | 18°/1° | 0.0 mm |
| 2026-09-10 | 晴天 | 20°/3° | 0.0 mm |
| 2026-09-11 | 阴 | 20°/3° | 0.0 mm |
| 2026-09-12 | 阴 | 22°/6° | 0.0 mm |
| 2026-09-13 | 阴 | 19°/7° | 0.0 mm |
| 2026-09-14 | 小毛毛雨 | 18°/3° | 0.1 mm |
| 2026-09-15 | 晴天 | 18°/4° | 0.0 mm |
| 2026-09-16 | 晴间多云 | 21°/5° | 0.0 mm |
| 2026-09-17 | 阴 | 21°/5° | 0.0 mm |
| 2026-09-18 | 阴 | 20°/6° | 0.0 mm |
| 2026-09-19 | 阴 | 20°/7° | 0.0 mm |
| 2026-09-20 | 阴 | 21°/7° | 0.0 mm |
| 2026-09-21 | 阴 | 22°/7° | 0.0 mm |
| 2026-09-22 | 晴间多云 | 23°/6° | 0.0 mm |
| 2026-09-23 | 阴 | 21°/9° | 0.0 mm |
| 2026-09-24 | 阴 | 20°/8° | 0.0 mm |
| 2026-09-25 | 大毛毛雨 | 13°/9° | 4.0 mm |
| 2026-09-26 | 小毛毛雨 | 17°/9° | 1.8 mm |
| 2026-09-27 | 阵雨 | 17°/8° | 9.0 mm |
| 2026-09-28 | 小毛毛雨 | 16°/5° | 0.2 mm |
| 2026-09-29 | 小毛毛雨 | 19°/5° | 0.1 mm |
| 2026-09-30 | 中阵雨 | 13°/3° | 12.1 mm |
2026年09月长津郡共记录 30 天，平均最高 19℃、最低 6℃，降水日 9 天。