ブレッケンリッジ 9月の天気
ブレッケンリッジの9月:快適、雨が少ない、空気がきれい — ベストとはいえない時期。
2026年9月更新 · ERA5再解析による気候平年値
ブレッケンリッジでは12か月中9位 · 9月に訪れたい旅行先で1413か所中1370位 · 快適スコア21/100(Fランク)
- 日中
- 19°C
- 夜
- 2°C
- 雨の日
- 5
- 日照
- 11.1 h
- 湿度
- 57%
- 日の長さ
- 12 h

9月のブレッケンリッジについての旅行者の声
Breckenridge's forum describes September as close to ideal: sunny, crisp mornings warming into pleasant afternoons in the 60s F, with the dry mountain air letting temperatures drop fast once the sun goes down - some nights already dipping toward freezing by mid-month. The typical pattern is clear skies until early afternoon, then maybe a 30% chance of a short thunderstorm that blows through in under an hour. It's peak fall-foliage season too, so hiking and biking are popular, but pack layers and a light hat and gloves for the evening chill.
ブレッケンリッジのほかの月
Breckenridge-forum threads on an April visit describe all resorts as genuinely still open the first week, posters naming real spring skiing with plenty of snow though conditions vary day to day. Regulars call closing dates genuinely shifting year to year, several posters naming one year closing as late as April twenty-eighth with only Peaks Seven and Eight staying open that stretch. Posters call the Four O'Clock run genuinely prone to melting out at the bottom late season, several regulars naming concrete mornings and slush afternoons as why it may not stay ski-in, ski-out. Regulars call the resort's elevation genuinely the reason conditions hold up well into April, several threads naming this a real advantage over lower resorts closing earlier. Posters recommend checking terrain status before an April trip, several regulars calling this standard given how much closing timing shifts. The record: 8.5C days, -6.7C nights, 62.5mm across nearly 10 days and 65 percent humidity.
Breckenridge-forum threads on an early June visit describe the gondola and Epic Discovery as typically not opening until around the fourteenth, posters calling real cover still present on higher trails before that date. Regulars call Main Street genuinely walkable, several posters recommending accommodation within a couple blocks specifically for easy access to dinner and evening activities without needing a car. Posters call June a genuinely popular month overall, the town busy with plenty beyond skiing to fill a summer itinerary. Regulars recommend the local distillery as a solid non-hiking addition, one recent poster building an entire first summer visit itinerary partly around it. Posters recommend checking current trail conditions before planning an early June hike specifically, lingering snow a real factor at higher elevations this early in summer. The record: 20.9C days feeling like 21C, 3.7C nights, 34.9mm across nearly 7 days and 48 percent humidity.
Breckenridge-forum threads on an August visit describe hiking, the rec center and pottery classes as reliable options regardless of weather, posters calling summer festivals a real draw filling most weekends. Regulars call afternoon showers a standing feature, real thunderstorms typically arriving and clearing within an hour or two, sun and quick drying usually following. Posters recommend planning outdoor activity for the morning, afternoons better reserved for something indoors given how reliably the pattern repeats. Regulars call Main Street genuinely crowded even for a casual lunch, reservations or flexible timing worth considering for dinner. Regulars call late August a touch quieter, Front Range schools starting to pull families back before Labor Day. Posters recommend real layers regardless of the warm afternoon, mountain evenings turning noticeably brisk after dark. The record: 21.3C days feeling like 20C, 5.1C nights, 69.6mm across nearly 11 days and 60 percent humidity.
Breckenridge-forum threads on early-February visits confirm this sits within peak season, mid-February through mid-March typically bringing maximum snow cover and favorable conditions. Posters call February noticeably more crowded than January, though temperatures run more comfortable than January's harsher cold snaps. Regulars describe the high base elevation as a real advantage for snow quality, conditions here generally holding up better than lower-elevation resorts through a warm stretch. Posters call lower-elevation green runs capable of turning slushier on a mild day, higher blues and blacks staying colder and firmer longer. Regulars recommend checking a specific week's local weather rather than the month, year-to-year variation genuinely significant. Posters call February the strongest all-around pick for reliable snow and manageable temperatures. The record: 1C days feeling like -4C, -13.7C nights, a notably high 73.7cm of fresh accumulation and 69 percent humidity.
地図のブレッケンリッジのカードから自分のメモを追加できます。
ブレッケンリッジの気候平年値 — 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月のブレッケンリッジの混雑
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Breckenridge Film Festival、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
ブレッケンリッジの天気が良い月
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)。
天気はまずまずブレッケンリッジの天気がピークを迎えるのは12月〜2月です。
天気が最高天気はまずまず天気が厳しい
9月のブレッケンリッジのイベント
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
Breckenridge Film Festival
9月15日〜30日 · 例年混雑Four days of independent screenings in late September, timed to the aspens turning on the Boreas Pass road. A small festival with filmmakers who actually stay for the questions. 出典 ↗
近くで開催中のイベント
ブレッケンリッジから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。
ブレッケンリッジはどこにある?
9月のブレッケンリッジ — よくある質問
- 9月はブレッケンリッジを訪れるのに良い時期ですか?
- ブレッケンリッジの9月:快適、雨が少ない、空気がきれい — ベストとはいえない時期。SeasonMapの快適スコアでは、ブレッケンリッジの12か月中9位です(21/100)。
- 9月のブレッケンリッジはどんな天気ですか?
- 9月のブレッケンリッジは、平均最高気温18.7°C、最低気温2.1°C、降水量は約28.5 mmで、雨の日はおよそ5日です。
- 9月のブレッケンリッジの大気質はどうですか?
- 9月のブレッケンリッジの米国大気質指数(US AQI)は、平均約44です。
- 9月のブレッケンリッジは雪が降りますか?
- 9月のブレッケンリッジの降雪量は、およそ6 cmです。
300 km圏内:VailのAspens turning(9月15日〜10月5日ごろ)、AspenのAspens turning(9月18日〜10月8日ごろ)。