| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-09-01 | 阴 | 35°/21° | 0.0 mm |
| 2026-09-02 | 小毛毛雨 | 36°/22° | 0.5 mm |
| 2026-09-03 | 大毛毛雨 | 31°/23° | 4.1 mm |
| 2026-09-04 | 强阵雨 | 25°/19° | 73.8 mm |
| 2026-09-05 | 毛毛雨 | 27°/19° | 3.2 mm |
| 2026-09-06 | 中阵雨 | 25°/21° | 11.5 mm |
| 2026-09-07 | 大毛毛雨 | 30°/21° | 2.4 mm |
| 2026-09-08 | 阴 | 30°/22° | 0.0 mm |
| 2026-09-09 | 毛毛雨 | 28°/22° | 2.2 mm |
| 2026-09-10 | 小毛毛雨 | 29°/22° | 0.2 mm |
| 2026-09-11 | 小毛毛雨 | 29°/21° | 1.5 mm |
| 2026-09-12 | 阵雨 | 28°/22° | 12.0 mm |
| 2026-09-13 | 雷阵雨伴有冰雹 | 28°/22° | 15.0 mm |
| 2026-09-14 | 雷阵雨 | 27°/22° | 9.4 mm |
| 2026-09-15 | 雷阵雨 | 29°/21° | 2.4 mm |
| 2026-09-16 | 雷阵雨 | 28°/20° | 12.5 mm |
| 2026-09-17 | 阵雨 | 30°/20° | 7.6 mm |
| 2026-09-18 | 阵雨 | 27°/21° | 5.6 mm |
| 2026-09-19 | 雷阵雨 | 30°/22° | 6.4 mm |
| 2026-09-20 | 阴 | 28°/22° | 0.0 mm |
| 2026-09-21 | 阴 | 27°/19° | 0.0 mm |
| 2026-09-22 | 阴 | 27°/17° | 0.0 mm |
| 2026-09-23 | 阴 | 29°/19° | 0.0 mm |
| 2026-09-24 | 阴 | 28°/19° | 0.0 mm |
| 2026-09-25 | 阴 | 30°/19° | 0.0 mm |
| 2026-09-26 | 毛毛雨 | 28°/20° | 4.1 mm |
| 2026-09-27 | 雷阵雨 | 27°/22° | 9.2 mm |
| 2026-09-28 | 毛毛雨 | 28°/21° | 7.1 mm |
| 2026-09-29 | 阵雨 | 23°/19° | 4.9 mm |
| 2026-09-30 | 多云 | 27°/18° | 0.0 mm |
2026年09月水俣市共记录 30 天，平均最高 28℃、最低 20℃，降水日 21 天。