ナムチェバザール 9月の天気
ナムチェバザールの9月:涼しい、大雨続き、空気がきれい — 雨の日26日が気にならなければ悪くない時期。
2026年9月更新 · ERA5再解析による気候平年値
ナムチェバザールでは12か月中8位 · 9月に訪れたい旅行先で1413か所中878位 · 快適スコア74/100(Bランク)
- 日中
- 13°C
- 夜
- 8°C
- 雨の日
- 26
- 日照
- 7.6 h
- 湿度
- 89%
- 日の長さ
- 12 h

9月のナムチェバザールについての旅行者の声
Namche Bazaar-forum threads on Everest-area trek planning describe September as the tail end of the monsoon, the reliably clear trekking season most posters say doesn't fully settle in until October once the heavier pattern clears out. Regulars are direct flight disruptions to and from Lukla, the standard gateway airstrip, remain a real possibility through September given lingering unsettled weather, delays something every trekker should plan buffer days around. Posters describe daytime temperatures in town as comfortable for walking once a shower clears, though genuinely chilly mornings and evenings are the norm at this elevation regardless of season. A real accumulation at higher points along the route remains possible even in September. Regulars call October and November the more reliably clear months for unobstructed Everest and Ama Dablam views. The record: 13.1C days feeling like 11C, 8.4C nights, an extraordinarily high 209mm across nearly 26 days and 89 percent humidity.
ナムチェバザールのほかの月
Namche Bazaar-forum threads on a June trek describe conditions as genuinely challenging this month, posters planning a Lukla-to-Namche route for June twentieth through twenty-fourth while asking directly about feasibility given the season. Regulars call flight cancellations and delays a real risk in and out of Lukla, weather here capable of disrupting the whole start of a trip. Posters call trails muddy and waterlogged in sections, real caution warranted on the route beyond Namche itself. Regulars call Everest views genuinely unreliable this time of year, one experienced trekker reporting no visibility at all from the Everest View Hotel during a similar late-May trip. Posters recommend building real flexibility into a June itinerary, even a single clear day considered enough to make the trip worthwhile for the views alone. The record: 13.6C days feeling like 13C, 8.5C nights, an extraordinarily high 230.4mm across nearly 26 days and 78 percent humidity.
Namche Bazaar-forum threads on the Lukla approach in October describe this as genuinely the busiest month on the trail, posters calling accommodation strained though rarely a real problem given how much lodging runs along that stretch. Regulars recommend booking ahead and spreading nights across several villages rather than all in Namche itself. Posters call October's reputation as the best trekking month largely earned, though regulars warn lingering monsoon moisture can still bring snow at altitude early on. Regulars call skipping acclimatization days a real mistake even when the weather looks clear. Posters recommend real layers regardless of how warm Lukla feels at the start, conditions considerably colder by the time the trail reaches Namche's elevation. Regulars call the well-trodden path here genuinely one of the most reliable treks in the Himalayas for a first-timer. The record: 10.1C days feeling like 9C, 3.9C nights, 68.2mm across over 7 days and 73 percent humidity.
Namche Bazaar-forum threads on a December-January trekking question describe conditions as genuinely harsh, daytime readings averaging close to freezing while nights can plunge well below negative fifteen Celsius. Posters call a proper down sleeping bag and down jacket standing advice, most lodges outside top-end options offering only limited heating confined to the dining room. Regulars describe trekkers waking to genuinely frozen sleeping bag exteriors at higher elevations like Pheriche, real cold-weather preparation the difference between a rewarding trip and a miserable one. Posters call the payoff real though, thin crowds and generally clear skies both genuine upsides of trekking this deep into winter. Regulars recommend real expedition-grade gear rather than standard trekking equipment. Posters call the near-total absence of other tourists worth it. The record: 2.6C days feeling like 0C, -6.7C nights, a notably high 12.9cm of fresh accumulation and 41 percent humidity.
Namche Bazaar-forum threads on April visibility describe growing haze and cloud cover as the spring progresses, humidity climbing week by week and softening long-distance mountain views compared to the crisper pre-monsoon air of early spring. Posters are consistent a completely cloudless Everest photo isn't guaranteed on any single day, but multi-day treks with a couple of spare days built in are very likely to get at least one clear window. Daytime walking is comfortable, but nights stay genuinely cold, unheated teahouse rooms regularly dropping to right around freezing or just below. A passing overnight snow shower is called normal for the month, though it typically clears from the trail by mid-morning rather than lingering. Regulars call proper cold-rated sleeping gear essential regardless of how mild the daytime trekking feels. The record: 9.6C days feeling like 9C, 0.6C nights, a notably high 13.9cm of fresh snowfall, 64 percent humidity and 11.1 hours of sun.
地図のナムチェバザールのカードから自分のメモを追加できます。
ナムチェバザールの気候平年値 — 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月のナムチェバザールの混雑
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Autumn trekking season、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
ナムチェバザールの天気が良い月
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)。
天気はまずまずナムチェバザールの天気が最も良いのは4月、10月、11月です — ひと続きのシーズンではなく、別々の時期です。
天気が最高天気はまずまず天気が厳しい
9月のナムチェバザールのイベント
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
Park entry and municipality fee
1月1日〜12月31日早めの予約をSagarmatha National Park entry is paid at the Monjo gate and the Khumbu rural municipality charges its own fee on top, collected at Lukla. Neither is issued further up the trail, and the old TIMS card does not cover this valley. 出典 ↗
- 季節
Monsoon in the Khumbu
6月15日〜9月10日 · 例年休業リスクCloud sits in the valley, the Lukla flights are cancelled for days at a time, and the trail below Namche is mud and leeches. A few lodges stay open and the mountains are behind cloud when you get to them.
- 季節
Autumn trekking season
9月25日〜11月20日トレイルシーズン混雑早めの予約をThe busiest weeks on the trail and the clearest air of the year. Namche is the compulsory acclimatisation stop, so every lodge here is full, and a day of bad weather at Lukla backs the whole valley up behind it.
- 季節
Wet season
モンスーンリスク26 rainy days and about 221 mm in the month — the real kind of rainy season, not afternoon showers.
気候の平年値から算出
近くで開催中のイベント
ナムチェバザールから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。
ナムチェバザールはどこにある?
9月のナムチェバザール — よくある質問
- 9月はナムチェバザールを訪れるのに良い時期ですか?
- ナムチェバザールの9月:涼しい、大雨続き、空気がきれい — 雨の日26日が気にならなければ悪くない時期。SeasonMapの快適スコアでは、ナムチェバザールの12か月中8位です(74/100)。
- 9月のナムチェバザールはどんな天気ですか?
- 9月のナムチェバザールは、平均最高気温13.1°C、最低気温8.4°C、降水量は約220.8 mmで、雨の日はおよそ25.9日です。
- 9月のナムチェバザールの大気質はどうですか?
- 9月のナムチェバザールの米国大気質指数(US AQI)は、平均約39です。
- 9月のナムチェバザールは雪が降りますか?
- 9月のナムチェバザールの降雪量は、およそ14.2 cmです。
300 km圏内:KathmanduのIndra Jatra(9月19日〜27日)、ThimphuのThimphu Tshechu(9月21日〜23日)。