| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-09-01 | 小毛毛雨 | 29°/21° | 1.2 mm |
| 2026-09-02 | 雷阵雨 | 30°/20° | 6.0 mm |
| 2026-09-03 | 雷阵雨 | 28°/20° | 10.7 mm |
| 2026-09-04 | 中阵雨 | 24°/18° | 15.4 mm |
| 2026-09-05 | 中阵雨 | 27°/17° | 14.0 mm |
| 2026-09-06 | 中雨 | 18°/16° | 43.9 mm |
| 2026-09-07 | 强阵雨 | 21°/18° | 128.6 mm |
| 2026-09-08 | 大毛毛雨 | 28°/20° | 7.6 mm |
| 2026-09-09 | 强阵雨 | 26°/19° | 57.9 mm |
| 2026-09-10 | 中雨 | 19°/16° | 14.7 mm |
| 2026-09-11 | 阵雨 | 21°/16° | 28.4 mm |
| 2026-09-12 | 毛毛雨 | 23°/19° | 1.7 mm |
| 2026-09-13 | 雷阵雨 | 27°/20° | 5.9 mm |
| 2026-09-14 | 雷阵雨 | 28°/18° | 9.4 mm |
| 2026-09-15 | 阵雨 | 22°/18° | 13.1 mm |
| 2026-09-16 | 中阵雨 | 21°/17° | 32.0 mm |
| 2026-09-17 | 小毛毛雨 | 25°/16° | 0.3 mm |
| 2026-09-18 | 阴 | 26°/16° | 0.0 mm |
| 2026-09-19 | 小毛毛雨 | 26°/16° | 0.3 mm |
| 2026-09-20 | 中阵雨 | 22°/19° | 30.4 mm |
| 2026-09-21 | 中雨 | 24°/19° | 13.0 mm |
| 2026-09-22 | 小毛毛雨 | 30°/18° | 0.4 mm |
| 2026-09-23 | 毛毛雨 | 20°/17° | 1.6 mm |
| 2026-09-24 | 小毛毛雨 | 27°/16° | 0.7 mm |
| 2026-09-25 | 阵雨 | 24°/17° | 10.8 mm |
| 2026-09-26 | 小雨 | 17°/15° | 12.0 mm |
| 2026-09-27 | 阵雨 | 23°/14° | 4.3 mm |
| 2026-09-28 | 阵雨 | 20°/17° | 24.5 mm |
| 2026-09-29 | 中雨 | 18°/14° | 44.3 mm |
| 2026-09-30 | 中雨 | 24°/14° | 4.3 mm |
2026年09月甲斐市共记录 30 天，平均最高 23℃、最低 17℃，降水日 29 天。