カンザスシティ 9月の天気
カンザスシティの9月:暑い、ときどき雨、空気がきれい — 一年で最も訪れやすい月のひとつ。
2026年9月更新 · ERA5再解析による気候平年値
カンザスシティでは12か月中2位 · 9月に訪れたい旅行先で1413か所中442位 · 快適スコア86/100(Aランク)
- 日中
- 28°C
- 夜
- 17°C
- 雨の日
- 4
- 日照
- 10 h
- 湿度
- 66%
- 日の長さ
- 12 h

9月のカンザスシティについての旅行者の声
Kansas City's forum treats September as the start of the good stretch between summer's humidity and winter's cold — mild enough for the Plaza Art Fair and Westport's outdoor events, with regulars steering visitors toward barbecue at Joe's or Jack Stack while the patio weather still holds.
カンザスシティのほかの月
Regulars planning an October trip lean hard on the region's harvest calendar rather than a downtown-only itinerary - a day trip to nearby Weston, roughly 45 minutes north, is a recurring recommendation, with an apple festival and an Irish festival both landing in the same window most years. Our row backs crisp, genuinely cool fall weather that suits the outdoor orchard-and-festival plan, 20.6C over 9.2C nights feeling 6C, with 71.2mm of rain across 5.7 days and an early trace of snow, 1.1cm, by month's end. A light jacket for the cooler mornings and evenings is standard advice even on an otherwise mild-feeling day. The record: humidity 64 percent, 8.1 hours of sun, an 18.8 kph wind and one of the cleanest air readings in this project, AQI 31.
Locals describe mid-April here as pleasant and the month as a whole as unpredictable day to day, with the advice to bring layers you can take off and put back on. Our row shows why both are true: 19.5C afternoons that read as 17C, 7.4C nights that read as 4C, and a 21.9 kph wind doing all of that subtraction. Spring is also the season they name for thunderstorms and tornado watches, so a forecast check is part of the day rather than a precaution. Rain is 73.2mm across 6.7 days and there is still 1.3cm of snow in the monthly average, which is the tail of winter rather than a likelihood. The record: humidity 63 percent, 9.3 hours of sun and AQI 41.
May is the month Kansas City regulars call lovely, and their one qualification is to bring something warm in case it turns cooler than you planned for - the city has had snow in May before, which they are quick to add is atypical. Our row gives the month a 24.6C average high and no snowfall at all, so treat that memory as the outlier it is. What they recommend doing with May is the gardens, because this is when they look their best: the grounds of the Nelson, the Kauffman Memorial Gardens and Loose Park, with the Plaza for everything else. The figure worth planning around is the rain, because 145.6mm across 10.8 days makes May one of the wettest months of the Kansas City year. The record: 13.9C nights, humidity 70 percent and 9.7 hours of sun.
Kansas City forum discussions describe January as the coldest month of the year, with an average temperature cited around 31F and roughly 4 days of measurable rain typical for the month. Posters were clear that winter here brings frequent, rapid swings between mild and genuinely cold days, and between wet and dry stretches, rather than settling into one steady pattern. Most of the city's snow falls in January and February, but it was described as usually wet, heavy snow that melts off fairly quickly rather than sticking around, and posters traveling through the region in January consistently recommended checking forecasts daily given how fast conditions can change.
地図のカンザスシティのカードから自分のメモを追加できます。
カンザスシティの気候平年値 — 9月
ERA5再解析による月平均値です。AQIはその月の平均US AQI(米国大気質指数)です。
9月のカンザスシティの混雑
その場所自体の混み具合 — 学校休暇や大型連休、編集部がタグ付けした月、そして天気の良さによる人気の高さ。快適スコアには含まれません。
ピークの混雑Kansas City Renaissance Festival、Chiefs home games、アメリカ合衆国のSummer break(推定)
ピークの混雑混雑ショルダーシーズン閑散
カンザスシティの天気が良い月
この旅行先自身の一年間の快適スコアでランキングしています — 混み具合とは別のものです(上の「混雑」を参照)。
天気が最高カンザスシティの天気が最も良いのは4月、5月、9月です — ひと続きのシーズンではなく、別々の時期です。
9月にはKansas City Renaissance Festivalがあります。
天気が最高天気はまずまず天気が厳しい
9月のカンザスシティのイベント
毎年の季節のイベント、自然の見どころ、休業、祝日 — 厳選し出典を明記しています。
- 祭り
Kansas City Renaissance Festival
9月1日〜10月20日 · 例年大きな祭り混雑Weekends only, on a permanent site out at Bonner Springs, from Labor Day into mid-October. It has run for fifty years and the Saturday traffic on I-70 west is the tell. 出典 ↗
- 季節
Chiefs home games
9月5日〜1月20日 · 例年スポーツイベント混雑Arrowhead home weekends paint the city red: tailgating from dawn in the lots and hotel prices that jump on game days. Check the NFL schedule before booking a football-season weekend. 出典 ↗
- 祭り
American Royal barbecue
9月30日〜10月4日食と酒のフェスティバル混雑The world's largest barbecue competition, six hundred teams deep, now on a new campus by the Speedway on the Kansas side. Construction has cut the 2026 edition to a limited on-site experience for invited guests, with no main stage or public activities. 出典 ↗
カンザスシティはどこにある?
9月のカンザスシティ — よくある質問
- 9月はカンザスシティを訪れるのに良い時期ですか?
- カンザスシティの9月:暑い、ときどき雨、空気がきれい — 一年で最も訪れやすい月のひとつ。SeasonMapの快適スコアでは、カンザスシティの12か月中2位です(86/100)。
- 9月のカンザスシティはどんな天気ですか?
- 9月のカンザスシティは、平均最高気温28.4°C、最低気温17.2°C、降水量は約57.4 mmで、雨の日はおよそ4日です。
- 9月のカンザスシティの大気質はどうですか?
- 9月のカンザスシティの米国大気質指数(US AQI)は、平均約44です。