| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-09-01 | 雷阵雨伴有冰雹 | 27°/23° | 24.2 mm |
| 2025-09-02 | 小毛毛雨 | 30°/21° | 0.3 mm |
| 2025-09-03 | 毛毛雨 | 31°/22° | 1.2 mm |
| 2025-09-04 | 中雨 | 27°/22° | 12.4 mm |
| 2025-09-05 | 小毛毛雨 | 32°/22° | 0.2 mm |
| 2025-09-06 | 雷阵雨 | 30°/23° | 10.2 mm |
| 2025-09-07 | 雷阵雨 | 29°/22° | 2.8 mm |
| 2025-09-08 | 阴 | 29°/21° | 0.0 mm |
| 2025-09-09 | 阴 | 28°/22° | 0.0 mm |
| 2025-09-10 | 晴天 | 31°/20° | 0.0 mm |
| 2025-09-11 | 阴 | 31°/20° | 0.0 mm |
| 2025-09-12 | 中阵雨 | 27°/20° | 14.2 mm |
| 2025-09-13 | 强阵雨 | 25°/20° | 55.7 mm |
| 2025-09-14 | 阴 | 28°/21° | 0.0 mm |
| 2025-09-15 | 阴 | 29°/21° | 0.0 mm |
| 2025-09-16 | 雷阵雨 | 27°/22° | 7.2 mm |
| 2025-09-17 | 雷阵雨 | 24°/20° | 12.6 mm |
| 2025-09-18 | 小毛毛雨 | 24°/19° | 0.8 mm |
| 2025-09-19 | 中雨 | 19°/16° | 15.9 mm |
| 2025-09-20 | 大雨 | 23°/16° | 34.6 mm |
| 2025-09-21 | 阴 | 26°/17° | 0.0 mm |
| 2025-09-22 | 阴 | 24°/18° | 0.0 mm |
| 2025-09-23 | 阴 | 25°/19° | 0.0 mm |
| 2025-09-24 | 中阵雨 | 23°/19° | 22.3 mm |
| 2025-09-25 | 中阵雨 | 25°/20° | 12.7 mm |
| 2025-09-26 | 阴 | 27°/18° | 0.0 mm |
| 2025-09-27 | 阴 | 27°/19° | 0.0 mm |
| 2025-09-28 | 强阵雨 | 21°/18° | 44.1 mm |
| 2025-09-29 | 阴 | 23°/17° | 0.0 mm |
| 2025-09-30 | 阴 | 24°/17° | 0.0 mm |
2025年09月水原市共记录 30 天，平均最高 26℃、最低 19℃，降水日 17 天。