| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-09-01 | 阴 | 24°/17° | 0.0 mm |
| 2026-09-02 | 小毛毛雨 | 24°/18° | 0.9 mm |
| 2026-09-03 | 阵雨 | 26°/19° | 1.8 mm |
| 2026-09-04 | 小毛毛雨 | 22°/18° | 0.8 mm |
| 2026-09-05 | 中阵雨 | 18°/15° | 32.3 mm |
| 2026-09-06 | 强阵雨 | 17°/15° | 166.2 mm |
| 2026-09-07 | 强阵雨 | 19°/17° | 130.1 mm |
| 2026-09-08 | 阵雨 | 26°/18° | 8.9 mm |
| 2026-09-09 | 中阵雨 | 23°/17° | 19.5 mm |
| 2026-09-10 | 阵雨 | 17°/14° | 10.6 mm |
| 2026-09-11 | 强阵雨 | 16°/14° | 61.3 mm |
| 2026-09-12 | 阵雨 | 17°/15° | 7.6 mm |
| 2026-09-13 | 小毛毛雨 | 23°/16° | 0.5 mm |
| 2026-09-14 | 小毛毛雨 | 25°/18° | 0.1 mm |
| 2026-09-15 | 中阵雨 | 23°/17° | 13.0 mm |
| 2026-09-16 | 中阵雨 | 19°/16° | 56.2 mm |
| 2026-09-17 | 中阵雨 | 19°/14° | 9.6 mm |
| 2026-09-18 | 阴 | 21°/13° | 0.0 mm |
| 2026-09-19 | 小毛毛雨 | 22°/14° | 0.1 mm |
| 2026-09-20 | 中阵雨 | 18°/17° | 50.9 mm |
| 2026-09-21 | 强阵雨 | 20°/18° | 54.9 mm |
| 2026-09-22 | 毛毛雨 | 25°/18° | 1.6 mm |
| 2026-09-23 | 阵雨 | 18°/15° | 15.0 mm |
| 2026-09-24 | 阴 | 23°/15° | 0.0 mm |
| 2026-09-25 | 小毛毛雨 | 20°/16° | 2.3 mm |
| 2026-09-26 | 小雨 | 18°/14° | 7.9 mm |
| 2026-09-27 | 雾 | 18°/14° | 0.0 mm |
| 2026-09-28 | 强阵雨 | 20°/17° | 81.1 mm |
| 2026-09-29 | 强阵雨 | 18°/13° | 49.4 mm |
| 2026-09-30 | 中雨 | 14°/13° | 19.6 mm |
2026年09月箱根町共记录 30 天，平均最高 20℃、最低 15℃，降水日 26 天。