里奇蒙 9月 天氣
里奇蒙的9月:炎熱、多雨,還有空氣清新,是很棒的造訪時機。
更新於 2026 年 9月 · 氣候平均值取自 ERA5 再分析
里奇蒙:12 個月中排第 4 · 9月全球 1413 個中第 744 · 舒適度 79/100(等級 B)
- 白天
- 28°C
- 夜間
- 17°C
- 雨天
- 8
- 日照
- 8.5 h
- 濕度
- 74%
- 白晝時間
- 12 h

9月的里奇蒙旅人筆記
來自附近仙納度國家公園的筆記(相距 137 公里)
里奇蒙還沒有自己在9月的筆記 — 以下是關於仙納度國家公園的,距離夠近,季節相同。
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.
里奇蒙的其他月份
Forum posters describe late November in Richmond as usually cool and crisp, not too cold as long as it isn't raining, with temperatures sometimes still reaching the 60s or 70sF earlier in the month. Posters are direct that fall weather here is genuinely finicky, and conditions can turn colder and more unpredictable as November wears on. Posters consistently note that real winter cold doesn't typically arrive until late December or early January, with Richmond winters generally mild by regional standards - an occasional light dusting of snow, annual totals usually under a foot, and daytime temperatures well above freezing even if nights get properly chilly. Posters generally rate November as a good time to visit, with pleasant conditions for exploring the city's historical sites outdoors.
Richmond forum regulars call early October “lovely with mild temps,” warm days and cool nights that regulars name alongside April and September as the city's best-weather months. The honest caveat: fall and spring in Virginia are very finicky seasons, with real variation possible from one day to the next even within a single week's visit — layers are the standard recommendation for exactly that reason, since a warm afternoon can follow a genuinely cool morning. The payoff for timing it right: many of the city's most popular outdoor events cluster into this stretch. Our record: 22°C days, 12.7°C nights, 7 rain days and 7.5 hours of sun — mild and comfortably dry, matching the “best of the year, but check the week's forecast” read.
Richmond-area forum regulars call April one of the better months to avoid summer's heat and humidity, but warn spring here is genuinely unsettled — “wet, snow, sleet, rain or unseasonably warm conditions” can all show up in the same week. Average highs sit in the mid-60s°F and lows in the mid-40s, but it's still early spring: posters note it's “barely out of winter,” so be prepared for anything from near-freezing to low-80s depending on the week. Historic Garden Week typically falls in April, with private homes and gardens across the state opened for tours — a reason to time a visit for the month beyond the weather itself. Our record: 21°C days, 9.5°C nights and 9.8 rain days — mild on average, with the real variability the forum describes sitting underneath that number.
April and early May are the forum's picks for Richmond — mild days, cool nights, and well clear of a summer regulars describe as steamy, over 32°C with high humidity. May averages near 25°C by day and 14 overnight. The honest caveat they add is that a Virginia spring is "a bit dodgy": it may be hot or cold, it may rain or not, and the month is genuinely unpredictable rather than reliably pleasant. October is the other month they name, and the one they rate as the more dependable of the two.
在地圖上里奇蒙的卡片裡新增你自己的筆記。
里奇蒙 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。
里奇蒙在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
里奇蒙天氣最好的月份
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」)。
天氣尚可里奇蒙天氣最好的時候落在4月、5月和10月——是分開的兩段,不是連續的一季。
天氣最好天氣尚可天氣最差
9月的里奇蒙有什麼活動
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。
- 風險
Tropical storm remnants
8月15日–10月15日 · 通常颶風季Storms that come up the Chesapeake or across from the Carolinas arrive here as flooding rain and downed trees, and the James can rise fast enough to shut the floodwall gates. Isabel is still the local benchmark. 來源 ↗
附近正好有活動
里奇蒙方圓 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。
里奇蒙在哪裡?
9月的里奇蒙 — 常見問題
- 9月適合去里奇蒙嗎?
- 里奇蒙的9月:炎熱、多雨,還有空氣清新,是很棒的造訪時機。 以 SeasonMap 的舒適度分數來看,這是 里奇蒙 12 個月裡的第 4 名(79/100)。
- 里奇蒙在9月的天氣如何?
- 9月的里奇蒙平均最高溫 28.2°C、最低溫 17.1°C,降雨約 122.1 mm,雨天約 7.5 天。
- 里奇蒙在9月的空氣品質如何?
- 里奇蒙在9月的美國 AQI 月平均值約為 43。
300 公里內:Virginia Beach的Neptune Festival於9月25–27日登場,以及Outer Banks的Lighthouse climbing season大約在4月17日–10月12日。