| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-09-01 | 阴 | 35°/27° | 0.0 mm |
| 2026-09-02 | 阴 | 36°/26° | 0.0 mm |
| 2026-09-03 | 小毛毛雨 | 37°/27° | 1.9 mm |
| 2026-09-04 | 阵雨 | 35°/27° | 4.5 mm |
| 2026-09-05 | 小毛毛雨 | 36°/26° | 0.3 mm |
| 2026-09-06 | 阴 | 37°/27° | 0.0 mm |
| 2026-09-07 | 阴 | 34°/27° | 0.0 mm |
| 2026-09-08 | 阴 | 36°/26° | 0.0 mm |
| 2026-09-09 | 阵雨 | 36°/27° | 5.0 mm |
| 2026-09-10 | 中阵雨 | 31°/26° | 9.2 mm |
| 2026-09-11 | 中雨 | 26°/24° | 15.7 mm |
| 2026-09-12 | 阵雨 | 30°/24° | 9.8 mm |
| 2026-09-13 | 大毛毛雨 | 32°/25° | 6.3 mm |
| 2026-09-14 | 中阵雨 | 33°/25° | 8.1 mm |
| 2026-09-15 | 毛毛雨 | 34°/25° | 2.0 mm |
| 2026-09-16 | 阴 | 35°/26° | 0.0 mm |
| 2026-09-17 | 阴 | 35°/26° | 0.0 mm |
| 2026-09-18 | 大毛毛雨 | 34°/26° | 4.5 mm |
| 2026-09-19 | 中阵雨 | 33°/26° | 10.7 mm |
| 2026-09-20 | 阵雨 | 33°/26° | 12.7 mm |
| 2026-09-21 | 阵雨 | 30°/25° | 2.4 mm |
| 2026-09-22 | 雷阵雨 | 31°/25° | 23.0 mm |
| 2026-09-23 | 阵雨 | 27°/24° | 16.6 mm |
| 2026-09-24 | 中阵雨 | 28°/24° | 15.3 mm |
| 2026-09-25 | 阵雨 | 30°/25° | 6.1 mm |
| 2026-09-26 | 中阵雨 | 32°/25° | 15.0 mm |
| 2026-09-27 | 阵雨 | 32°/25° | 5.7 mm |
| 2026-09-28 | 中阵雨 | 33°/25° | 6.9 mm |
| 2026-09-29 | 雷阵雨 | 34°/26° | 7.1 mm |
| 2026-09-30 | 雷阵雨 | 34°/27° | 8.5 mm |
2026年09月格朗斯外共记录 30 天，平均最高 32℃、最低 25℃，降水日 23 天。