辛辛那提 9月 天气
辛辛那提的9月:温暖、略有降雨,还有空气清新——一年中最值得去的月份之一。
更新于 2026年9月 · 气候平均值来自 ERA5 再分析
辛辛那提:12 个月中排第 1 · 9月值得去的目的地 1413 个中第 257 · 舒适度 89/100(等级 A)
- 白天
- 27°C
- 夜间
- 14°C
- 雨天
- 6
- 日照
- 9.7 h
- 湿度
- 69%
- 白昼时间
- 12 h

9月的辛辛那提旅人笔记
Cincinnati's forum rates September as one of the better months — drier than the rainy stretch from spring through June, past the worst of summer's heat. Regulars are candid that the city's weather stays genuinely unpredictable regardless of season, joking about seeing all four in a single week.
辛辛那提的其他月份
Regulars share a local saying that sums up planning here: if you don't like the weather, wait 15 minutes and it's sure to change - advice regulars apply to this month as much as any other, packing for both a sudden downpour and a stretch of sticky heat within the same trip. Our row backs the hot, humid read, 29.1C reading as a hot 32C, over 16.9C nights, with 88.1mm of rain across 8.2 days and humidity at 72 percent. Regulars are consistent that a quick-drying layer beats a heavy raincoat, since storms here tend to blow through fast rather than settle in for the day. The record: 11.3 hours of sun, a 12.1 kph wind and AQI 61.
Regulars describe spring rain typically holding on into this month before a drier stretch sets in through the rest of summer, with a well-worn local saying that if you don't like the weather, wait fifteen minutes and it's sure to change. Our row backs the transitional, still-wet read, 28.1C reading as a real 30C, over 15.1C nights, with 102.3mm of rain across 8.9 days. Regulars pushing later into late June and early July are more confident calling it hot and humid outright, so this month sits at the hinge between changeable spring and settled summer heat rather than fully inside either. The record: humidity 70 percent, 11.5 hours of sun, a 14.5 kph wind and AQI 67.
Regulars rate October as one of the drier and milder months here - our row backs it at 66.2mm across 7.7 days - while quoting the local line that if you do not like the weather you should wait fifteen minutes. What that means in practice is layers, with a light sweater for the mornings and evenings: 20.3C days fall to 6.9C nights that feel like 5C. The colour follows the cold, starting around the third week of the month as the overnight temperatures drop, so the back half is the scenic half. The record: humidity 68 percent, 8 hours of sun, a 15.8 kph wind and AQI 35.
A lifelong Cincinnatian's advice for May is to be prepared for all kinds of weather at all times, and the local saying they quote is that if you do not like the weather, wait fifteen minutes. The spread they describe is real: the 70s Fahrenheit and sunny is about as likely as the 40s or 50s and raining, with the average around 21C by day and 10C at night on the 1st. Our row's 23.6C over 10.8C is the month's middle, and the wet half of their prediction is the part the figures back hardest - 119.7mm across 11.8 precipitation days, because spring here stays rainy until the end of June and only then dries out. A medium jacket, heavier than a windbreaker, is what they pack. The record: humidity 73 percent, 9.7 hours of sun and AQI 51.
在地图上辛辛那提的卡片里写下你自己的笔记。
辛辛那提气候平均值——9月
月平均值来自 ERA5 再分析。AQI 为该月美国空气质量指数的平均值。
辛辛那提在9月的人潮
这里看的是地方本身有多热闹——学校假期和全民假期、编辑标注的月份,以及天气让它有多抢手。人潮从不计入舒适度分数。
人潮高峰Riverfest fireworks、Oktoberfest Zinzinnati、美国的Summer break(估算)
人潮高峰人多平季人少
辛辛那提天气最好的月份
按这个目的地自己全年的气候舒适度分数排序——这和它有多拥挤是两回事(见上方的人潮)。
天气最佳辛辛那提天气最好的时候是5月、9月和10月——是几段分开的窗口,而不是一个连续的季节。
9月里有Riverfest fireworks。
天气最佳天气尚可天气最难熬
9月的辛辛那提有什么活动
每年重复的季节活动、自然奇观、停业期和假期——经过编辑筛选并附上来源。
- 节庆
Riverfest fireworks
9月6日灯与火人多有停业On the Sunday of Labour Day weekend half a million people line both banks for a half-hour firework show fired off barges and the Purple People Bridge. The riverfront closes to cars from lunchtime. 来源 ↗
- 节庆
Oktoberfest Zinzinnati
9月17–20日美食与酒饮节人多The largest Oktoberfest in the country outside Munich, four free days on the riverfront in the second half of September, complete with a chicken dance record attempt. The German heritage here is real and the queues are long. 来源 ↗
就在附近,而且正有活动
辛辛那提方圆 300 公里内——一日游或短途可达——而且这个月有活动。绝不计入舒适度分数。
辛辛那提在哪里?
9月的辛辛那提——常见问题
- 9月适合去辛辛那提吗?
- 辛辛那提的9月:温暖、略有降雨,还有空气清新——一年中最值得去的月份之一。以 SeasonMap 的舒适度分数来看,这是辛辛那提 12 个月里的第 1 名(89/100)。
- 辛辛那提在9月的天气怎么样?
- 9月的辛辛那提平均最高气温 26.8°C、最低气温 13.5°C,降雨约 65.4 mm,雨天约 6.1 天。
- 辛辛那提在9月的空气质量如何?
- 辛辛那提在9月的美国 AQI 月平均值约为 46。
300 公里内:Mammoth Cave National Park的Green River paddling season在5月1日 – 10月15日前后举行,以及Indianapolis的Indy Jazz Fest于9月22–26日举行。