| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-09-01 | 小毛毛雨 | 26°/20° | 1.2 mm |
| 2026-09-02 | 小毛毛雨 | 27°/20° | 1.5 mm |
| 2026-09-03 | 雷阵雨 | 29°/20° | 6.7 mm |
| 2026-09-04 | 小雨 | 24°/17° | 3.4 mm |
| 2026-09-05 | 中雨 | 25°/17° | 26.8 mm |
| 2026-09-06 | 强阵雨 | 19°/17° | 105.9 mm |
| 2026-09-07 | 强阵雨 | 21°/18° | 193.9 mm |
| 2026-09-08 | 雷阵雨 | 26°/21° | 21.9 mm |
| 2026-09-09 | 中阵雨 | 24°/22° | 23.8 mm |
| 2026-09-10 | 中阵雨 | 21°/18° | 27.1 mm |
| 2026-09-11 | 强阵雨 | 20°/18° | 126.9 mm |
| 2026-09-12 | 阵雨 | 21°/20° | 12.4 mm |
| 2026-09-13 | 雷阵雨 | 25°/19° | 5.7 mm |
| 2026-09-14 | 阵雨 | 27°/18° | 4.1 mm |
| 2026-09-15 | 雷阵雨 | 23°/19° | 17.6 mm |
| 2026-09-16 | 中阵雨 | 20°/18° | 37.5 mm |
| 2026-09-17 | 毛毛雨 | 25°/17° | 2.4 mm |
| 2026-09-18 | 阴 | 26°/16° | 0.0 mm |
| 2026-09-19 | 小毛毛雨 | 26°/18° | 0.4 mm |
| 2026-09-20 | 中阵雨 | 21°/19° | 25.4 mm |
| 2026-09-21 | 阵雨 | 27°/20° | 5.8 mm |
| 2026-09-22 | 小毛毛雨 | 28°/20° | 0.9 mm |
| 2026-09-23 | 大毛毛雨 | 20°/18° | 4.4 mm |
| 2026-09-24 | 阴 | 27°/16° | 0.0 mm |
| 2026-09-25 | 小毛毛雨 | 22°/18° | 1.6 mm |
| 2026-09-26 | 中阵雨 | 20°/16° | 14.8 mm |
| 2026-09-27 | 毛毛雨 | 22°/17° | 2.5 mm |
| 2026-09-28 | 强阵雨 | 22°/18° | 148.6 mm |
| 2026-09-29 | 中阵雨 | 19°/16° | 46.6 mm |
| 2026-09-30 | 中阵雨 | 18°/16° | 24.0 mm |
2026年09月川根本町共记录 30 天，平均最高 23℃、最低 18℃，降水日 28 天。