| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-09-01 | 晴间多云 | 27°/9° | 0.0 mm |
| 2025-09-02 | 晴间多云 | 28°/9° | 0.0 mm |
| 2025-09-03 | 阴 | 27°/13° | 0.0 mm |
| 2025-09-04 | 小毛毛雨 | 21°/13° | 1.2 mm |
| 2025-09-05 | 阴 | 27°/10° | 0.0 mm |
| 2025-09-06 | 阴 | 20°/11° | 0.0 mm |
| 2025-09-07 | 多云 | 21°/6° | 0.0 mm |
| 2025-09-08 | 晴间多云 | 22°/7° | 0.0 mm |
| 2025-09-09 | 晴天 | 25°/6° | 0.0 mm |
| 2025-09-10 | 阴 | 27°/7° | 0.0 mm |
| 2025-09-11 | 多云 | 27°/11° | 0.0 mm |
| 2025-09-12 | 晴天 | 28°/10° | 0.0 mm |
| 2025-09-13 | 大毛毛雨 | 28°/11° | 1.1 mm |
| 2025-09-14 | 多云 | 29°/13° | 0.0 mm |
| 2025-09-15 | 晴间多云 | 30°/12° | 0.0 mm |
| 2025-09-16 | 阴 | 28°/13° | 0.0 mm |
| 2025-09-17 | 阴 | 29°/11° | 0.0 mm |
| 2025-09-18 | 晴天 | 29°/12° | 0.0 mm |
| 2025-09-19 | 晴间多云 | 30°/12° | 0.0 mm |
| 2025-09-20 | 阴 | 31°/14° | 0.0 mm |
| 2025-09-21 | 强阵雨 | 31°/16° | 42.5 mm |
| 2025-09-22 | 中阵雨 | 23°/18° | 4.0 mm |
| 2025-09-23 | 小毛毛雨 | 25°/18° | 0.4 mm |
| 2025-09-24 | 大雨 | 22°/18° | 28.5 mm |
| 2025-09-25 | 小雨 | 23°/17° | 3.3 mm |
| 2025-09-26 | 雾 | 25°/13° | 0.0 mm |
| 2025-09-27 | 晴间多云 | 27°/12° | 0.0 mm |
| 2025-09-28 | 多云 | 29°/13° | 0.0 mm |
| 2025-09-29 | 晴间多云 | 29°/13° | 0.0 mm |
| 2025-09-30 | 阴 | 27°/12° | 0.0 mm |
2025年09月海兰共记录 30 天，平均最高 26℃、最低 12℃，降水日 7 天。