辛辛那提 9月 天氣
辛辛那提的9月:溫暖、略有降雨,還有空氣清新,是最適合造訪的月份之一。
更新於 2026 年 9月 · 氣候平均值取自 ERA5 再分析
辛辛那提:12 個月中排第 1 · 9月全球 1413 個中第 257 · 舒適度 89/100(等級 A)
- 白天
- 27°C
- 夜間
- 14°C
- 雨天
- 6
- 日照
- 9.7 h
- 濕度
- 69%
- 白晝時間
- 12 h

9月的辛辛那提旅人筆記
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.
在地圖上辛辛那提的卡片裡新增你自己的筆記。
辛辛那提 氣候平均值 — 9月
每月平均值取自 ERA5 再分析。AQI 為該月美國空氣品質指數的平均值。
辛辛那提在9月的人潮
這個地點本身有多擠——學校假期與大型連假、編輯標記的月份,以及天氣讓它有多搶手。從不計入舒適度分數。
人潮高峰Riverfest fireworks、Oktoberfest Zinzinnati、美國的Summer break(估計)
人潮高峰人多平季人少
辛辛那提天氣最好的月份
依這個目的地自己全年的氣候舒適度分數排序——這和它有多擁擠是兩回事(見上方「人潮」)。
天氣最好辛辛那提天氣最好的時候落在5月、9月和10月——是分開的兩段,不是連續的一季。
9月包含Riverfest fireworks。
天氣最好天氣尚可天氣最差
9月的辛辛那提有什麼活動
每年重複的季節活動、自然奇景、休業期和假期 — 經過編輯篩選並附上來源。
- 節慶
Riverfest fireworks
9月6日燈火與火祭人潮多有休業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. 來源 ↗
- 節慶
Oktoberfest Zinzinnati
9月17–20日飲食節慶人潮多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. 來源 ↗
附近正好有活動
辛辛那提方圓 300 公里內——一日遊或短程移動可達,而且這個月有活動。絕不計入舒適度分數。
辛辛那提在哪裡?
9月的辛辛那提 — 常見問題
- 9月適合去辛辛那提嗎?
- 辛辛那提的9月:溫暖、略有降雨,還有空氣清新,是最適合造訪的月份之一。 以 SeasonMap 的舒適度分數來看,這是 辛辛那提 12 個月裡的第 1 名(89/100)。
- 辛辛那提在9月的天氣如何?
- 9月的辛辛那提平均最高溫 26.8°C、最低溫 13.5°C,降雨約 65.4 mm,雨天約 6.1 天。
- 辛辛那提在9月的空氣品質如何?
- 辛辛那提在9月的美國 AQI 月平均值約為 46。
300 公里內:Mammoth Cave National Park的Green River paddling season大約在5月1日–10月15日,以及Indianapolis的Indy Jazz Fest於9月22–26日登場。