| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-09-01 | 阴 | 25°/14° | 0.0 mm |
| 2026-09-02 | 晴间多云 | 26°/13° | 0.0 mm |
| 2026-09-03 | 阴 | 27°/12° | 0.0 mm |
| 2026-09-04 | 多云 | 29°/12° | 0.0 mm |
| 2026-09-05 | 晴天 | 30°/15° | 0.0 mm |
| 2026-09-06 | 阴 | 29°/13° | 0.0 mm |
| 2026-09-07 | 阴 | 24°/12° | 0.0 mm |
| 2026-09-08 | 晴天 | 26°/9° | 0.0 mm |
| 2026-09-09 | 晴天 | 27°/7° | 0.0 mm |
| 2026-09-10 | 多云 | 29°/13° | 0.0 mm |
| 2026-09-11 | 阴 | 27°/12° | 0.0 mm |
| 2026-09-12 | 阴 | 23°/7° | 0.0 mm |
| 2026-09-13 | 小毛毛雨 | 28°/9° | 0.4 mm |
| 2026-09-14 | 晴天 | 22°/10° | 0.0 mm |
| 2026-09-15 | 晴天 | 19°/4° | 0.0 mm |
| 2026-09-16 | 阴 | 25°/9° | 0.0 mm |
| 2026-09-17 | 阴 | 23°/12° | 0.0 mm |
| 2026-09-18 | 毛毛雨 | 19°/12° | 1.1 mm |
| 2026-09-19 | 小雨 | 18°/9° | 2.9 mm |
| 2026-09-20 | 小毛毛雨 | 15°/7° | 1.2 mm |
| 2026-09-21 | 晴天 | 19°/7° | 0.0 mm |
| 2026-09-22 | 阴 | 22°/8° | 0.0 mm |
| 2026-09-23 | 阴 | 21°/10° | 0.0 mm |
| 2026-09-24 | 晴天 | 22°/9° | 0.0 mm |
| 2026-09-25 | 多云 | 23°/10° | 0.0 mm |
| 2026-09-26 | 阴 | 25°/12° | 0.0 mm |
| 2026-09-27 | 阴 | 20°/9° | 0.0 mm |
| 2026-09-28 | 阴 | 17°/10° | 0.0 mm |
| 2026-09-29 | 阴 | 21°/8° | 0.0 mm |
| 2026-09-30 | 晴天 | 22°/10° | 0.0 mm |
2026年09月弗里蒙特共记录 30 天，平均最高 23℃、最低 10℃，降水日 4 天。