| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-09-01 | 雷阵雨 | 23°/16° | 9.7 mm |
| 2026-09-02 | 大毛毛雨 | 22°/18° | 8.2 mm |
| 2026-09-03 | 大毛毛雨 | 23°/17° | 5.5 mm |
| 2026-09-04 | 雷阵雨 | 25°/16° | 22.5 mm |
| 2026-09-05 | 雷阵雨 | 24°/15° | 10.4 mm |
| 2026-09-06 | 雷阵雨 | 25°/16° | 14.4 mm |
| 2026-09-07 | 雷阵雨伴有冰雹 | 26°/16° | 20.8 mm |
| 2026-09-08 | 雷阵雨 | 25°/17° | 18.8 mm |
| 2026-09-09 | 阵雨 | 26°/16° | 7.4 mm |
| 2026-09-10 | 小毛毛雨 | 27°/16° | 1.6 mm |
| 2026-09-11 | 小毛毛雨 | 25°/15° | 0.6 mm |
| 2026-09-12 | 小毛毛雨 | 26°/14° | 0.4 mm |
| 2026-09-13 | 阴 | 25°/14° | 0.0 mm |
| 2026-09-14 | 阴 | 27°/15° | 0.0 mm |
| 2026-09-15 | 阵雨 | 27°/15° | 7.1 mm |
| 2026-09-16 | 毛毛雨 | 26°/15° | 2.6 mm |
| 2026-09-17 | 大毛毛雨 | 26°/15° | 4.9 mm |
| 2026-09-18 | 雷阵雨 | 25°/16° | 12.1 mm |
| 2026-09-19 | 雷阵雨 | 23°/16° | 11.9 mm |
| 2026-09-20 | 小毛毛雨 | 26°/15° | 0.6 mm |
| 2026-09-21 | 毛毛雨 | 26°/15° | 2.0 mm |
| 2026-09-22 | 阴 | 26°/15° | 0.0 mm |
| 2026-09-23 | 阴 | 26°/14° | 0.0 mm |
| 2026-09-24 | 阴 | 27°/14° | 0.0 mm |
| 2026-09-25 | 阴 | 27°/16° | 0.0 mm |
| 2026-09-26 | 小毛毛雨 | 27°/16° | 0.5 mm |
| 2026-09-27 | 大毛毛雨 | 27°/17° | 2.8 mm |
| 2026-09-28 | 毛毛雨 | 27°/17° | 1.6 mm |
| 2026-09-29 | 大毛毛雨 | 23°/16° | 7.2 mm |
| 2026-09-30 | 阵雨 | 22°/15° | 5.7 mm |
2026年09月勐阳共记录 30 天，平均最高 25℃、最低 15℃，降水日 24 天。