| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-09-01 | 小毛毛雨 | 31°/21° | 0.9 mm |
| 2026-09-02 | 小毛毛雨 | 31°/21° | 0.6 mm |
| 2026-09-03 | 中阵雨 | 25°/21° | 9.0 mm |
| 2026-09-04 | 强阵雨 | 22°/18° | 102.5 mm |
| 2026-09-05 | 小毛毛雨 | 23°/19° | 0.4 mm |
| 2026-09-06 | 阵雨 | 25°/21° | 6.3 mm |
| 2026-09-07 | 小毛毛雨 | 25°/22° | 0.7 mm |
| 2026-09-08 | 中阵雨 | 22°/21° | 9.6 mm |
| 2026-09-09 | 小毛毛雨 | 25°/21° | 0.5 mm |
| 2026-09-10 | 小毛毛雨 | 22°/20° | 0.2 mm |
| 2026-09-11 | 小毛毛雨 | 25°/20° | 0.7 mm |
| 2026-09-12 | 毛毛雨 | 26°/21° | 4.1 mm |
| 2026-09-13 | 雷阵雨伴有冰雹 | 30°/21° | 10.6 mm |
| 2026-09-14 | 雷阵雨伴有冰雹 | 27°/21° | 24.7 mm |
| 2026-09-15 | 雷阵雨 | 26°/20° | 9.4 mm |
| 2026-09-16 | 小毛毛雨 | 25°/19° | 0.4 mm |
| 2026-09-17 | 小毛毛雨 | 25°/19° | 0.8 mm |
| 2026-09-18 | 中阵雨 | 21°/20° | 33.2 mm |
| 2026-09-19 | 大毛毛雨 | 26°/20° | 5.3 mm |
| 2026-09-20 | 阴 | 27°/20° | 0.0 mm |
| 2026-09-21 | 阴 | 25°/17° | 0.0 mm |
| 2026-09-22 | 多云 | 25°/15° | 0.0 mm |
| 2026-09-23 | 小毛毛雨 | 27°/16° | 0.2 mm |
| 2026-09-24 | 阴 | 27°/17° | 0.0 mm |
| 2026-09-25 | 阴 | 27°/16° | 0.0 mm |
| 2026-09-26 | 中阵雨 | 23°/18° | 13.8 mm |
| 2026-09-27 | 强阵雨 | 22°/19° | 30.3 mm |
| 2026-09-28 | 中阵雨 | 24°/18° | 15.7 mm |
| 2026-09-29 | 大毛毛雨 | 19°/18° | 4.0 mm |
| 2026-09-30 | 阴 | 25°/17° | 0.0 mm |
2026年09月臼杵市共记录 30 天，平均最高 25℃、最低 19℃，降水日 24 天。