比格斯凱 9月 天氣
比格斯凱的9月:舒適、略有降雨,還有空氣清新,不是最好的造訪時機。
更新於 2026 年 9月 · 氣候平均值取自 ERA5 再分析
比格斯凱:12 個月中排第 9 · 9月全球 1413 個中第 1362 · 舒適度 23/100(等級 F)
- 白天
- 19°C
- 夜間
- 7°C
- 雨天
- 10
- 日照
- 10.3 h
- 濕度
- 60%
- 白晝時間
- 13 h

9月的比格斯凱旅人筆記
Big Sky-forum threads on September conditions describe a genuinely pleasant pattern, cold mornings giving way to sunny, comfortably warm afternoons, aspen groves beginning their color change and crowds noticeably thinner than peak summer. Posters are direct this doesn't rule out an early accumulation at higher elevation, entirely possible even while the valley floor stays green and mild, a real reminder of how much conditions vary by altitude. Regulars name hiking, mountain biking, fly fishing and horseback riding all still genuinely strong September activities, the cooler air a real relief after the intensity of midsummer. Layers are standing advice regardless of how warm the afternoon runs, given how sharply temperatures drop once the sun goes down. Posters call September a real sweet spot for anyone prioritizing scenery and quiet over guaranteed warm weather. The record: 19.4C days feeling like 18C, 7.2C nights, a notably high 9cm of fresh accumulation and 60 percent humidity.
比格斯凱的其他月份
Big Sky-forum threads on an April visit describe closing as genuinely landing around the tenth or eleventh of the month, posters naming this timing as often falling near Easter. Regulars call steady late-season snowfall genuinely still standard, several posters naming warmer, longer days alongside notably thinner crowds as real advantages of visiting this late. Posters call the resort genuinely feeling local by April, several regulars naming this a real contrast to the busier winter peak. Regulars call spring corn snow genuinely some of the best value and conditions of the entire season, several threads naming this a real reason not to overlook April. Posters recommend Closing Weekend specifically if timing allows, several regulars calling this a real notable on-mountain event worth planning a trip around. The record: 6.6C days, -3.3C nights, 79.9mm across nearly 15 days and 72 percent humidity.
Big Sky-forum threads on a late May visit describe this as shoulder season, posters using it as a base for Yellowstone while asking whether local businesses would be open given the timing. Regulars call biking, horseback riding and rafting on the Gallatin River all real May options once conditions allow, several posters recommending these over anything snow-dependent this late in spring. Posters recommend checking the Big Sky and Bozeman Chamber event calendars directly, several regulars calling this the best way to confirm what's actually running during shoulder weeks. Regulars call lodging genuinely varied this time of year, ski-in options and condo complexes both mentioned as available even outside peak season. Posters recommend real flexibility around exact May plans, some businesses here still on reduced or seasonal schedules this early. The record: 11.8C days feeling like 10C, 1.2C nights, an extraordinarily high 93.8mm across over 16 days and 61 percent humidity.
Big Sky-forum threads on a July visit describe this as genuinely peak season, posters recommending the chairlift or gondola up the mountain for anyone wanting the views without a full hike. Regulars call Beehive Basin the standout hike close to town, Ousel Falls named the easier first outing for anyone easing into the altitude. Posters recommend a ranch experience or horseback outing as a genuine change of pace from the trail-heavy itinerary most visitors default to. Regulars call late July the calendar's busiest stretch, Music in the Meadows, the farmers market and the PBR Rodeo all real draws worth timing a trip around. Posters recommend real bear spray for hikes further from town like Upper Beehive, wildlife encounters here a genuine possibility. Regulars call the daytime warmth genuinely comfortable, evenings still cool enough for a real layer once the sun drops. The record: 25.7C days feeling like 25C, 12C nights, 38.4mm across over 10 days and 53 percent humidity.
Big Sky-forum threads on March skiing are consistently enthusiastic, posters calling snow conditions rarely a problem this time of year and early March frequently named among the best stretches of the entire season. Regulars describe peak snowpack as typically landing around the first week of March, conditions often surpassing January simply because more has accumulated by then. Posters call the freeze-thaw cycle that defines classic spring skiing as not yet fully underway in March, a real advantage over April. Regulars recommend early-to-mid March as the more dependable target, temperatures generally sitting comfortably in the twenties and thirties Fahrenheit. Posters describe days as noticeably longer and milder than deep winter without sacrificing snow quality. Regulars recommend checking conditions before an April trip. The record: 3.1C days feeling like -1C, -6.3C nights, a notably high 47.1cm of fresh accumulation and 74 percent humidity.
在地圖上比格斯凱的卡片裡新增你自己的筆記。
比格斯凱 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。
比格斯凱在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。
人多美國的Summer break(估計)
人潮高峰人多平季人少
比格斯凱天氣最好的月份
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」)。
天氣尚可比格斯凱的天氣在 12月–2月 達到最佳。
天氣最好天氣尚可天氣最差
9月的比格斯凱有什麼活動
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。
- 開放
Yellowstone roads open
4月15日–11月5日 · 通常山徑季有休業The interior roads out of West Yellowstone are ploughed open in stages from mid-April and close again to cars in early November, after which it is snowcoach or nothing. Big Sky is an hour from that gate. 來源 ↗
- 節慶
Music in the Mountains
6月1日–9月10日 · 通常音樂節Free Thursday-evening concerts in Town Center park from early June to the start of September. Bring a blanket and something warm; the temperature drops the moment the sun goes behind Lone Peak. 來源 ↗
- 風險
Wildfire smoke season
7月15日–9月30日 · 通常Most Augusts bring some smoke into the Gallatin Canyon from fires in Montana, Idaho and further west. The county issues air quality alerts, Lone Peak goes hazy, and hard hikes and lift-served biking are best moved to clear days. 來源 ↗
附近正好有活動
比格斯凱方圓 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。
比格斯凱在哪裡?
9月的比格斯凱 — 常見問題
- 9月適合去比格斯凱嗎?
- 比格斯凱的9月:舒適、略有降雨,還有空氣清新,不是最好的造訪時機。 以 SeasonMap 的舒適度分數來看,這是 比格斯凱 12 個月裡的第 9 名(23/100)。
- 比格斯凱在9月的天氣如何?
- 9月的比格斯凱平均最高溫 19.4°C、最低溫 7.2°C,降雨約 62.9 mm,雨天約 9.7 天。
- 比格斯凱在9月的空氣品質如何?
- 比格斯凱在9月的美國 AQI 月平均值約為 39。
- 比格斯凱在9月會下雪嗎?
- 比格斯凱在9月的降雪量約 9 cm。
300 公里內:Bozeman的Golden eagle migration大約在9月15日–10月31日,以及Yellowstone National Park的Beartooth Highway open大約在5月22日–10月12日。