ユトレヒト 9月の天気
ユトレヒトの9月:快適、ときどき雨、空気がきれい — 訪れるのに絶好の時期。
2026年9月更新 · ERA5再解析による気候平年値
ユトレヒトでは12か月中5位 · 9月に訪れたい旅行先で1413か所中636位 · 快適スコア82/100(Aランク)
- 日中
- 20°C
- 夜
- 10°C
- 雨の日
- 11
- 日照
- 8.7 h
- 湿度
- 78%
- 日の長さ
- 13 h

9月のユトレヒトについての旅行者の声
Regulars describe genuine day-to-day swings this month rather than a settled trend - one visitor joked about needing a survival suit for a run of days stuck below 20C, while another reported a couple of tropical-feeling days followed by evening thunderstorms in the same week. Our row backs the mild, changeable average across that range, 20.2C over 10.2C nights, with 77.2mm of rain across 10.9 days. Regulars are consistent this is one of the better months to visit overall - pleasant temperatures, manageable crowds, still enough energy in the city without summer's peak intensity. The record: humidity 78 percent, 8.7 hours of sun, an 18.2 kph wind and AQI 48.
ユトレヒトのほかの月
Anyone booking May for the tulips should know what the Dutch boards keep repeating: the growers cut the flowers in the first week of May, so the fields an hour west of here are green for the rest of the month, and the famous garden shuts in the middle of it. Late April is the season; May is the aftermath. What May does give this city is the best light of its year - 15.7 hours of daylight with 11.3 of sun - over modest temperatures, 19C reading as 17C in an 18.9 kph wind, and nights that still fall to 7.8C. Rain is 57.9mm across 7.7 days. Terraces and canals rather than bulb fields. The record: humidity 73 percent and AQI 48.
One regular answered a June question here by looking up a single date: on the 16th the average maximum is 20C, the record range runs from 13C to 25C, and it rained on nine of the last twenty. That is the honest shape of a Dutch June. Our month averages 22.5C over 12.1C with 70.2mm across 8.9 days, so rain on roughly three days in ten rather than his four-and-a-half. The compensation is light - 16.7 hours of daylight with 11.5 of sun - which is what makes June the month for day trips out of the city and for the canal-level terraces this town is known for. An 18.5 kph wind keeps it fresh. The record: humidity 74 percent and AQI 49.
A July/August trip report on the Utrecht forum reads like a checklist for exactly this month: warm, sunny days good for sitting out at the canal-level cafes, easy biking and boat-trip weather, and a city that stays noticeably calmer than Amsterdam an hour away even in high summer. The same report notes a few showers rolling through mid-stay, so a light layer stays useful. August's record backs both halves of that: 23.6C days, 12.9C nights, 63mm of rain across ten days, 10.8 hours of sun and an AQI of 47 - a genuinely comfortable, lightly touristed month.
Netherlands forum threads describe February as genuinely cold, generally 0-5C, with roughly half the month bringing some rain or snow - not brutal, but a real factor to plan around. Posters were clear that mild winters do happen too, and museums, canal boat rides and general walking-around sightseeing remain fully doable regardless of the specific weather that week. One recurring point in threads mentioning Utrecht specifically: it's more centrally located within the Netherlands than some of the bigger tourist cities, and its reputation as a relaxed student city was mentioned as a genuine part of its appeal beyond just the weather.
地図のユトレヒトのカードから自分のメモを追加できます。
ユトレヒトの気候平年値 — 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月のユトレヒトの混雑
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。
混雑Netherlands Film Festival、主な訪問国のうち3か国で学校休暇(推定)
ピークの混雑混雑ショルダーシーズン閑散
ユトレヒトの天気が良い月
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)。
天気はまずまずユトレヒトの天気がピークを迎えるのは6月〜8月です。
天気が最高天気はまずまず天気が厳しい
9月のユトレヒトのイベント
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。
- ルール
Dom tower by guided tour only
1月1日〜12月31日早めの予約をThe tower reopened after its restoration and is climbed only on a timed guided tour booked online. Weekend slots go a fortnight ahead in summer, and the 465 steps are not the hard part. 出典 ↗
- オープン
Wharf terrace season
4月15日〜9月30日 · 例年夏季営業スタートThe cellars along the Oudegracht put their tables out at water level from spring to autumn. It is the thing this city has that Amsterdam does not, and it only exists in warm months. 出典 ↗
- 祭り
Festival Oude Muziek
8月26日〜9月6日 · 例年音楽祭早めの予約をTen days of early music in the churches and the Vredenburg at the turn of August into September, the largest festival of its kind anywhere. Cathedral concerts sell in spring. 出典 ↗
- 祭り
Netherlands Film Festival
9月18日〜10月5日 · 例年混雑The national film festival belongs to Utrecht: ten days at the end of September ending in the Golden Calf awards, with free open-air screenings on the cathedral square. 出典 ↗
近くで開催中のイベント
ユトレヒトから300 km以内 — 日帰りやちょっとした移動で行けて、今月何かがある場所です。快適スコアには含まれません。
ユトレヒトはどこにある?
9月のユトレヒト — よくある質問
- 9月はユトレヒトを訪れるのに良い時期ですか?
- ユトレヒトの9月:快適、ときどき雨、空気がきれい — 訪れるのに絶好の時期。SeasonMapの快適スコアでは、ユトレヒトの12か月中5位です(82/100)。
- 9月のユトレヒトはどんな天気ですか?
- 9月のユトレヒトは、平均最高気温20.2°C、最低気温10.2°C、降水量は約77.2 mmで、雨の日はおよそ10.9日です。
- 9月のユトレヒトの大気質はどうですか?
- 9月のユトレヒトの米国大気質指数(US AQI)は、平均約48です。
300 km圏内:LuxembourgのSchueberfouer(8月21日〜9月9日)、The HagueのScheveningen beach season(5月15日〜9月20日ごろ)。