シェナンドー国立公園 9月の天気
シェナンドー国立公園の9月:快適、雨が多い、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
シェナンドー国立公園では12か月中4位 · 9月に訪れたい旅行先で1413か所中507位 · 快適スコア85/100(Aランク)
- 日中
- 22°C
- 夜
- 13°C
- 雨の日
- 10
- 日照
- 8.6 h
- 湿度
- 74%
- 日の長さ
- 12 h

9月のシェナンドー国立公園についての旅行者の声
Shenandoah-forum threads on the quieter months before the fall rush call September a genuinely strong pick, one longtime poster describing the weather here as consistently gorgeous late in the month with none of the crowding October's peak color display brings. Regulars are direct September sits too early for real fall color, that display generally not building until the second week through mid-October at the earliest, so anyone specifically chasing foliage should hold off. Posters call the tradeoff worthwhile for many visitors, genuinely lighter traffic along Skyline Drive and easier parking at popular overlooks and trailheads compared to the October rush. Warm, humid afternoons are called the norm early in the month, conditions generally moderating as September progresses toward its final weeks. Layers for cooler evenings are standing advice regardless of the exact date chosen. The record: 22.2C days feeling like 24C, 13C nights, 74 percent humidity and 11.9 hours of daylight.
シェナンドー国立公園のほかの月
Shenandoah-forum threads on a January visit describe the entire Skyline Drive as genuinely capable of closing during real winter storms, posters naming this a standard risk to plan around this time of year. Regulars call conditions genuinely fast-changing, several posters naming slick driving as a real hazard even when the day starts out clear. Posters call real-time updates genuinely essential, several regulars naming a text alert to SHENALERTS as the standard way to check closure and reopening status before heading out. Regulars call January genuinely unpredictable overall, several threads naming this the reason flexible plans matter more here than in milder months. Posters recommend checking road status the morning of a January visit regardless of the forecast, several regulars calling this standard given how quickly the drive can close. The record: 2.7C days, -6.2C nights, an extraordinarily high 83.3mm across nearly 9 days and 67 percent humidity.
Shenandoah-forum threads on a February visit describe this as one of the slower stretches of the year, posters calling photographers and dedicated winter hikers about the only regulars given how often the park gates close for weather. Regulars call combining a February park day with nearby university tours a real option, one traveler describing exactly this kind of itinerary built around a single full day in the park. Posters call conditions in the park considerably different from the valley below, real wind and blowing snow possible even when Shenandoah Valley itself looks mild. Regulars recommend checking Skyline Drive's status directly before a trip, closures here common enough to plan around rather than assume open. Posters recommend real winter layers regardless of how the forecast looks in town, mountain conditions here shifting fast. The record: 6.5C days feeling like 4C, -3.2C nights, an extraordinarily high 84.6mm across nearly 11 days and 71 percent humidity.
Shenandoah-forum threads on a July 4th weekend visit describe crowds as genuinely real but manageable, one visitor reporting no long wait to enter despite the holiday timing. Regulars call Skyline Drive the main draw regardless of month, the full ridgeline route worth driving in either direction depending on which overlooks matter most. Posters recommend Big Meadows Lodge or Skyland Lodge for anyone staying inside the park, both genuinely convenient bases for the central and southern sections. Regulars call July genuinely warm and humid at lower elevations, the higher ridge running noticeably cooler and breezier by comparison. Posters recommend checking road status before a trip, storm damage in recent years having closed sections without much notice. Regulars call the overlooks worth timing for early morning or evening, midday haze considerably reducing the long-range views. The record: 27.4C days feeling like 29C, 17.1C nights, 97.8mm across over 12 days and 69 percent humidity.
Shenandoah-forum threads on August weather describe daytime conditions as genuinely warm and humid, comfortable enough for shorts and a t-shirt though posters call the elevation a real factor, running a good ten degrees Fahrenheit cooler than surrounding valleys and lowland Virginia. Posters recommend a lightweight fleece for evenings and early mornings regardless of how warm the afternoon ran. Regulars are direct the wider mid-Atlantic region can see a tropical system push through in August, real storm activity worth monitoring during peak hurricane season even this far inland. Posters call insect protection essential, ticks a genuine concern along trails through the warmer months. Regulars call Skyline Drive and the overlooks worth the trip despite the bugs and occasional storm risk. Posters recommend a current forecast before any exposed ridge hike. The record: 25.6C days feeling like 27C, 16C nights, an extraordinarily high 95mm across over 11 days and 72 percent humidity.
地図のシェナンドー国立公園のカードから自分のメモを追加できます。
シェナンドー国立公園の気候平年値 — 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月のシェナンドー国立公園の混雑
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Labor Day weekend、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
シェナンドー国立公園の天気が良い月
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)。
天気はまずまずシェナンドー国立公園の天気が最も良いのは4月、5月、10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月のシェナンドー国立公園のイベント
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。
- 自然
Black bear season
8月1日〜10月31日 · 例年野生動物シーズンリスクBears feed hard on acorns and berries through late summer and autumn, and this is the stretch you actually see them from the Drive. Food-storage rules at the campgrounds get enforced, not suggested.
- 祝日
Labor Day weekend
9月5日〜7日国民の祝日混雑早めの予約をLabor Day, the first Monday of September, is the last big getaway of summer: the long weekend books out campsites and lodging and fills parking early, and families thin out quickly once it has passed. 出典 ↗
近くで開催中のイベント
シェナンドー国立公園から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。
シェナンドー国立公園はどこにある?
9月のシェナンドー国立公園 — よくある質問
- 9月はシェナンドー国立公園を訪れるのに良い時期ですか?
- シェナンドー国立公園の9月:快適、雨が多い、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、シェナンドー国立公園の12か月中4位です(85/100)。
- 9月のシェナンドー国立公園はどんな天気ですか?
- 9月のシェナンドー国立公園は、平均最高気温22.2°C、最低気温13°C、降水量は約101.4 mmで、雨の日はおよそ9.6日です。
- 9月のシェナンドー国立公園の大気質はどうですか?
- 9月のシェナンドー国立公園の米国大気質指数(US AQI)は、平均約38です。
300 km圏内:Virginia BeachのNeptune Festival(9月25日〜27日)、BaltimoreのChesapeake blue crab season(4月1日〜11月30日)。