| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-09-01 | 多云 | 22°/10° | 0.0 mm |
| 2025-09-02 | 阴 | 20°/12° | 0.0 mm |
| 2025-09-03 | 阴 | 20°/10° | 0.0 mm |
| 2025-09-04 | 阴 | 22°/12° | 0.0 mm |
| 2025-09-05 | 阴 | 18°/12° | 0.0 mm |
| 2025-09-06 | 阴 | 18°/10° | 0.0 mm |
| 2025-09-07 | 阴 | 19°/11° | 0.0 mm |
| 2025-09-08 | 晴天 | 27°/11° | 0.0 mm |
| 2025-09-09 | 晴间多云 | 25°/14° | 0.0 mm |
| 2025-09-10 | 阴 | 21°/13° | 0.0 mm |
| 2025-09-11 | 阴 | 19°/11° | 0.0 mm |
| 2025-09-12 | 晴天 | 19°/10° | 0.0 mm |
| 2025-09-13 | 阴 | 20°/12° | 0.0 mm |
| 2025-09-14 | 阴 | 22°/12° | 0.0 mm |
| 2025-09-15 | 大毛毛雨 | 17°/10° | 2.5 mm |
| 2025-09-16 | 毛毛雨 | 17°/12° | 2.8 mm |
| 2025-09-17 | 小毛毛雨 | 17°/10° | 0.4 mm |
| 2025-09-18 | 阴 | 18°/9° | 0.0 mm |
| 2025-09-19 | 阴 | 24°/10° | 0.0 mm |
| 2025-09-20 | 阴 | 20°/13° | 0.0 mm |
| 2025-09-21 | 毛毛雨 | 20°/12° | 1.0 mm |
| 2025-09-22 | 阵雨 | 18°/10° | 3.6 mm |
| 2025-09-23 | 小毛毛雨 | 16°/10° | 0.2 mm |
| 2025-09-24 | 晴天 | 19°/10° | 0.0 mm |
| 2025-09-25 | 晴天 | 20°/9° | 0.0 mm |
| 2025-09-26 | 晴天 | 26°/11° | 0.0 mm |
| 2025-09-27 | 阴 | 25°/13° | 0.0 mm |
| 2025-09-28 | 晴天 | 21°/14° | 0.0 mm |
| 2025-09-29 | 晴天 | 24°/12° | 0.0 mm |
| 2025-09-30 | 阴 | 32°/13° | 0.0 mm |
2025年09月开普敦共记录 30 天，平均最高 20℃、最低 11℃，降水日 6 天。