Cuaca Mammoth Lakes (Mammoth Mountain) di September
September di Mammoth Lakes: nyaman, kering, dengan udara bersih — bukan waktu terbaik untuk berkunjung.
Diperbarui September 2026 · normal iklim dari reanalisis ERA5
#9 dari 12 bulan di Mammoth Lakes · #1388 dari 1413 destinasi untuk dikunjungi di September · kenyamanan 19/100 (tier F)
- Siang
- 22°C
- Malam
- 3°C
- Hari hujan
- 4
- Matahari
- 11.4 h
- Kelembapan
- 47%
- Jam siang
- 12 h

Catatan pelancong tentang Mammoth Lakes di September
Mammoth Lakes-forum threads on a late-September visit describe afternoon highs as typically running around the mid-seventies Fahrenheit, posters calling nights considerably chillier, dropping into the mid-forties. Regulars call this genuinely one of the better stretches for hiking, biking, boating and even a last swim, the lakes about as warm as they get all year by this point. Posters recommend Hot Creek, the Earthquake Fault and the Twin Lakes waterfall as easy local drives, June Lake Loop, Mono Lake and Bodie all reasonable if venturing further. Regulars call heading into the high country, Rock Creek to the south or Tuolumne Meadows to the north, a real chance at early fall color. Posters describe local events like an art festival over Labor Day weekend as worth timing a visit around. Regulars recommend real layers for the evening chill despite the pleasant daytime warmth. The record: 22.3C days feeling like 20C, 3.2C nights, 12.5mm across nearly 4 days and 47 percent humidity.
Bulan lain di Mammoth Lakes
Mammoth Lakes-forum threads on an October visit describe peak fall color as genuinely running mid-September through early October, posters warning color at higher elevations has typically passed by the twentieth. Regulars call June Lake Loop, Lundy Canyon and Rock Creek Canyon real standard viewing spots, several posters naming the Tom's Place turnoff as the way into Rock Creek's aspens. Posters call Convict Lake's aspen grove a real highlight, several regulars naming its roughly three-mile loop as an easy way to see color without a long hike. Regulars call timing genuinely shifting year to year with weather, several threads recommending checking weekly updates at the Welcome Center before planning around peak color. Posters recommend lower-elevation spots once higher color has passed, several regulars calling this standard given how the show moves downhill as October progresses. The record: 17.3C days, -1.5C nights, 21.3mm across nearly 3 days and 48 percent humidity.
Mammoth Lakes-forum threads on April skiing are consistently enthusiastic, posters calling this among the strongest months of the season thanks to a deep base built from heavy earlier-season storms. Regulars describe spring snow here as genuinely excellent once it softens, smooth corduroy in the morning turning forgiving rather than icy by afternoon. Posters call the mountain noticeably less crowded than winter break, some describing it as nearly empty by mid-to-late April. Regulars are direct year-to-year variability is real, some Aprils bringing fresh storms and a foot or two of new snow, others closer to a bare, sunny stretch. Posters recommend checking current conditions before committing to a specific week. Regulars call the full mountain typically open through the third weekend of April most years. The record: 10.9C days feeling like 9C, -3.2C nights, a notably high 21.6cm of fresh accumulation and 68 percent humidity.
Mammoth Lakes-forum threads comparing seasons call July genuine peak summer, wildflowers out at the high elevations and conditions noticeably milder for hiking than the intense heat of late August. Posters name Devils Postpile, Rainbow Falls and Red's Meadow as standout July destinations, along with the Mono Lake and June Lake Loop area just north for swimming, hiking and horseback riding. Convict Lake, a short drive south, is repeatedly recommended as an easy add-on for anyone with a spare afternoon. Regulars call the days noticeably longer and the evenings still comfortable compared to how quickly things cool once late August arrives. Layers for a genuinely large day-to-night swing at this elevation are standing advice regardless of how warm the afternoon runs. The record: 26.8C days feeling like 25C, 7.3C nights, a low 42 percent humidity and 14.5 hours of daylight.
Mammoth Lakes-forum threads on January conditions confirm this and February are historically the snowiest months, though posters are candid the mountain can be genuinely finicky year to year about when and how much actually falls. When a storm cycle hits, conditions can turn severe fast - high winds and blizzard conditions that drop the mountain down to running just one or two lifts, and posters recommend real first-layer thermal gear rather than assuming standard ski clothing will be enough. The main highway in and out is an all-weather route, but chain control during storms is standard and can add real time to any drive. Regulars call a base layer and a flexible schedule the two most important things to bring, since a powder day can arrive with very little warning either way. The record: 5C days feeling like 1C, -9.4C nights, an extraordinarily high 103.7cm of fresh snowfall and 67 percent humidity.
Tambahkan catatan Anda dari kartu Mammoth Lakes di peta.
Normal iklim Mammoth Lakes — September
Rata-rata bulanan dari reanalisis ERA5. AQI adalah rata-rata Indeks Kualitas Udara AS untuk bulan itu.
Keramaian di Mammoth Lakes pada September
Seberapa ramai tempatnya sendiri — libur sekolah dan libur massal, bulan-bulan yang ditandai editor, dan seberapa diburu tempat itu karena cuacanya. Tidak pernah menjadi bagian dari skor kenyamanan.
Puncak keramaianAspen colour, Summer break di Amerika Serikat(perkiraan)
Puncak keramaianRamaiMusim peralihanSepi
Bulan terbaik untuk cuaca Mammoth Lakes
Diurutkan berdasarkan skor kenyamanan iklim destinasi ini sepanjang tahun — hal yang berbeda dari seberapa ramai tempatnya (lihat Keramaian di atas).
Cuaca lumayanCuaca Mammoth Lakes memuncak Januari–Maret, terbaik sekitar Februari.
Cuaca terbaikCuaca lumayanCuaca tersulit
Agenda di Mammoth Lakes pada September
Acara musiman berulang, fenomena alam, penutupan, dan hari libur — dikurasi dan bersumber jelas.
- Pembukaan
Tioga Pass road season
20 Mei – 5 Nov · biasanyaMusim jalur pendakianPenutupanHighway 120 over Tioga Pass is the short way into Yosemite, and it is shut by snow for half the year. Ploughing starts around 15 April and takes one to two months, so the opening date is never announced far ahead. Sumber ↗
- Pembukaan
Reds Meadow road opens
10 Jun – 15 Okt · biasanyaMusim panas dibukaThe narrow road down to Devils Postpile and Rainbow Falls opens once the snow clears — typically June, but in a heavy-snow or reconstruction year it can slip into July — and a mandatory shuttle runs while it does. Before that the valley is a long walk from Minaret Vista. Sumber ↗
- Alam
Aspen colour
15 Sep – 20 Okt · biasanyaDaun musim gugurRamaiAspen stands in the June Lake Loop and the Lakes Basin turn from mid-September, working down from the high canyons through October. Weekend parking at the popular pull-outs goes early. Sumber ↗
Di dekatnya, dan ada acara
Dalam radius 300 km dari Mammoth Lakes — perjalanan sehari atau lompatan singkat — dengan sesuatu yang berlangsung bulan ini. Tidak pernah masuk ke skor kenyamanan.
Di mana Mammoth Lakes?
Mammoth Lakes di September — FAQ
- Apakah September waktu yang tepat untuk mengunjungi Mammoth Lakes?
- September di Mammoth Lakes: nyaman, kering, dengan udara bersih — bukan waktu terbaik untuk berkunjung. Bulan ini ada di peringkat #9 dari 12 bulan untuk Mammoth Lakes menurut skor kenyamanan SeasonMap (19/100).
- Bagaimana cuaca di Mammoth Lakes pada September?
- Pada September, Mammoth Lakes rata-rata mencapai suhu tertinggi harian 22.3°C dan terendah 3.2°C, dengan sekitar 12.5 mm hujan sepanjang kurang lebih 3.7 hari hujan.
- Bagaimana kualitas udara di Mammoth Lakes pada September?
- Mammoth Lakes punya rata-rata Indeks Kualitas Udara AS sekitar 42 pada September.
Dalam radius 300 km: Tioga and Glacier Point roads open di Yosemite National Park, sekitar 10 Mei – 10 Nov, dan Crystal Cave tours di Sequoia National Park, sekitar 20 Mei – 10 Sep.