| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-09-01 | 阴 | 25°/20° | 0.0 mm |
| 2026-09-02 | 小毛毛雨 | 29°/21° | 1.2 mm |
| 2026-09-03 | 雷阵雨 | 29°/21° | 6.5 mm |
| 2026-09-04 | 中阵雨 | 25°/19° | 8.7 mm |
| 2026-09-05 | 中阵雨 | 24°/19° | 21.5 mm |
| 2026-09-06 | 中阵雨 | 21°/16° | 14.7 mm |
| 2026-09-07 | 强阵雨 | 23°/20° | 141.5 mm |
| 2026-09-08 | 毛毛雨 | 26°/19° | 2.5 mm |
| 2026-09-09 | 雷阵雨 | 30°/18° | 23.2 mm |
| 2026-09-10 | 大毛毛雨 | 18°/17° | 3.4 mm |
| 2026-09-11 | 中雨 | 19°/16° | 13.2 mm |
| 2026-09-12 | 小毛毛雨 | 21°/18° | 0.6 mm |
| 2026-09-13 | 小毛毛雨 | 25°/18° | 0.2 mm |
| 2026-09-14 | 阴 | 30°/20° | 0.0 mm |
| 2026-09-15 | 阵雨 | 22°/19° | 16.3 mm |
| 2026-09-16 | 中阵雨 | 19°/17° | 23.5 mm |
| 2026-09-17 | 阵雨 | 22°/15° | 6.5 mm |
| 2026-09-18 | 阴 | 24°/14° | 0.0 mm |
| 2026-09-19 | 小雨 | 26°/17° | 4.3 mm |
| 2026-09-20 | 中阵雨 | 21°/19° | 26.8 mm |
| 2026-09-21 | 中阵雨 | 22°/19° | 35.2 mm |
| 2026-09-22 | 小毛毛雨 | 29°/20° | 0.1 mm |
| 2026-09-23 | 大毛毛雨 | 20°/17° | 1.7 mm |
| 2026-09-24 | 毛毛雨 | 28°/18° | 2.0 mm |
| 2026-09-25 | 大毛毛雨 | 25°/17° | 4.7 mm |
| 2026-09-26 | 中阵雨 | 17°/14° | 37.4 mm |
| 2026-09-27 | 小毛毛雨 | 23°/15° | 0.1 mm |
| 2026-09-28 | 阵雨 | 21°/18° | 9.0 mm |
| 2026-09-29 | 阵雨 | 19°/16° | 19.0 mm |
| 2026-09-30 | 小毛毛雨 | 21°/16° | 0.4 mm |
2026年09月益子町共记录 30 天，平均最高 23℃、最低 17℃，降水日 27 天。