| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-09-01 | 小毛毛雨 | 22°/18° | 0.7 mm |
| 2026-09-02 | 毛毛雨 | 27°/18° | 1.7 mm |
| 2026-09-03 | 雷阵雨 | 29°/19° | 20.3 mm |
| 2026-09-04 | 阵雨 | 24°/16° | 10.4 mm |
| 2026-09-05 | 中雨 | 22°/16° | 27.8 mm |
| 2026-09-06 | 强阵雨 | 17°/15° | 129.2 mm |
| 2026-09-07 | 强阵雨 | 20°/17° | 184.5 mm |
| 2026-09-08 | 中阵雨 | 27°/20° | 11.0 mm |
| 2026-09-09 | 雷阵雨 | 27°/18° | 32.6 mm |
| 2026-09-10 | 阵雨 | 18°/15° | 23.0 mm |
| 2026-09-11 | 强阵雨 | 19°/16° | 37.6 mm |
| 2026-09-12 | 阵雨 | 19°/17° | 4.4 mm |
| 2026-09-13 | 毛毛雨 | 24°/18° | 2.2 mm |
| 2026-09-14 | 阵雨 | 28°/17° | 3.0 mm |
| 2026-09-15 | 雷阵雨 | 22°/17° | 29.3 mm |
| 2026-09-16 | 强阵雨 | 19°/16° | 54.1 mm |
| 2026-09-17 | 小雨 | 19°/15° | 3.3 mm |
| 2026-09-18 | 阴 | 20°/13° | 0.0 mm |
| 2026-09-19 | 小毛毛雨 | 22°/14° | 0.4 mm |
| 2026-09-20 | 强阵雨 | 19°/17° | 47.9 mm |
| 2026-09-21 | 中阵雨 | 20°/17° | 45.8 mm |
| 2026-09-22 | 大毛毛雨 | 25°/17° | 4.9 mm |
| 2026-09-23 | 毛毛雨 | 18°/15° | 6.0 mm |
| 2026-09-24 | 小毛毛雨 | 26°/15° | 0.6 mm |
| 2026-09-25 | 毛毛雨 | 21°/16° | 7.3 mm |
| 2026-09-26 | 小雨 | 16°/14° | 7.2 mm |
| 2026-09-27 | 毛毛雨 | 20°/14° | 1.9 mm |
| 2026-09-28 | 中阵雨 | 21°/16° | 12.7 mm |
| 2026-09-29 | 中阵雨 | 17°/14° | 77.0 mm |
| 2026-09-30 | 中雨 | 17°/14° | 15.5 mm |
2026年09月都留市共记录 30 天，平均最高 21℃、最低 16℃，降水日 29 天。