| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-09-01 | 阵雨 | 31°/19° | 3.4 mm |
| 2026-09-02 | 中阵雨 | 30°/19° | 19.4 mm |
| 2026-09-03 | 大毛毛雨 | 31°/19° | 1.9 mm |
| 2026-09-04 | 大毛毛雨 | 31°/19° | 2.3 mm |
| 2026-09-05 | 大毛毛雨 | 31°/19° | 3.7 mm |
| 2026-09-06 | 毛毛雨 | 31°/18° | 1.2 mm |
| 2026-09-07 | 阵雨 | 32°/18° | 5.5 mm |
| 2026-09-08 | 大毛毛雨 | 30°/18° | 3.2 mm |
| 2026-09-09 | 阵雨 | 30°/18° | 3.4 mm |
| 2026-09-10 | 雾 | 30°/18° | 0.0 mm |
| 2026-09-11 | 雾 | 31°/19° | 0.0 mm |
| 2026-09-12 | 阵雨 | 32°/18° | 5.4 mm |
| 2026-09-13 | 毛毛雨 | 30°/18° | 1.3 mm |
| 2026-09-14 | 小毛毛雨 | 29°/18° | 1.2 mm |
| 2026-09-15 | 阵雨 | 27°/18° | 14.2 mm |
| 2026-09-16 | 毛毛雨 | 26°/17° | 5.2 mm |
| 2026-09-17 | 阵雨 | 28°/18° | 10.0 mm |
| 2026-09-18 | 阵雨 | 26°/19° | 12.4 mm |
| 2026-09-19 | 阵雨 | 29°/19° | 8.1 mm |
| 2026-09-20 | 阵雨 | 30°/19° | 10.6 mm |
| 2026-09-21 | 阵雨 | 25°/19° | 23.9 mm |
| 2026-09-22 | 阵雨 | 26°/18° | 20.9 mm |
| 2026-09-23 | 中阵雨 | 28°/18° | 22.0 mm |
| 2026-09-24 | 雷阵雨 | 27°/19° | 19.2 mm |
| 2026-09-25 | 毛毛雨 | 30°/19° | 2.5 mm |
| 2026-09-26 | 大毛毛雨 | 29°/18° | 6.8 mm |
| 2026-09-27 | 阵雨 | 28°/18° | 8.4 mm |
| 2026-09-28 | 雷阵雨 | 30°/18° | 7.1 mm |
| 2026-09-29 | 阵雨 | 31°/18° | 8.6 mm |
| 2026-09-30 | 中阵雨 | 30°/18° | 19.1 mm |
2026年09月圣伊西德罗共记录 30 天，平均最高 29℃、最低 18℃，降水日 28 天。