奥斯汀 9月 天气

奥斯汀的9月:酷热、略有降雨,还有空气清新——只要受得了37°C 的午后就没问题。

更新于 2026年9月 · 气候平均值来自 ERA5 再分析

奥斯汀Austin, United States🇺🇸 美国 · 美国南部 · 城市66
  1. 741月
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  10. 8110月
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奥斯汀:12 个月中排第 9 · 9月值得去的目的地 1413 个中第 1019 · 舒适度 66/100(等级 C)

白天
34°C
夜间
22°C
雨天
4
日照
10 h
湿度
65%
白昼时间
12 h
奥斯汀,美国
照片: Thomas balabaud · Pexels

9月的奥斯汀旅人笔记

Austin forum regulars split September cleanly in two: the early half is “horribly hot and humid” — some years running “highs between 95° and 107°F every day except for 3 days” in mid-month — while it “usually starts to cool off by the middle of the month” and the end of September reads as genuinely nice. Some locals go further and say to absolutely avoid September outright, calling it “just more summer here,” though the consensus among regulars is softer: fine to visit if you accept the early weeks will be hot. The practical workaround: mornings for outdoor activities, afternoons for swimming, shaded patios or indoor attractions. Late October into November gets named as the genuinely reliable alternative. Our record: 33.4°C days, 23.2°C nights and 7.4 rain days — hot and dry, backing the “still summer at the start” read over the “cooled off” framing for the month as a whole.
Tripadvisor community · 9月 · 5 天前 · 在 Tripadvisor 上读更多 ↗

奥斯汀的其他月份

Regulars call this the most unpredictable month of the year here, capable of sub-freezing cold or 60-plus Fahrenheit warmth within the same week - one recent February never dropped below freezing at all and ran genuinely hot, while a different year brought a full week of snow and ice. Our row backs the moderate average sitting between those real extremes, 19.6C over 7.4C nights feeling 5C, with 52.2mm of rain across 4.9 days and a trace of possible snow, 0.9cm. Regulars are direct that the practical response is flexibility rather than optimism - avoid non-refundable bookings and be ready to adjust plans on short notice given how fast conditions can flip. The record: humidity 70 percent, 6.8 hours of sun, a 20.5 kph wind and AQI 36.
SchizophrenicMonthSameWeekBothExtremes · 2月 · 3 天前 · 在 Tripadvisor 上读更多 ↗
October is the month regulars rate highest for weather here - late October into November is the best of the year - and the month the city is hardest to book. The festival weekends, the grand prix and the university's home games between them fill the hotels, push rates up and bring minimum stays, so the advice is to book early or choose the weeks between. If you are not going to the festival it barely touches downtown, because the music is all out at the park. Our row gives 29.4C over 16.5C at 62 percent humidity with 91.4mm of rain across 5.7 days - sixteen millimetres at a time. The record: 9.1 hours of sun, a 17.2 kph wind and AQI 38.
BookBeforeTheFestivalDoes · 10月 · 4 天前 · 在 Tripadvisor 上读更多 ↗
April is the month regulars hand out here, and the reason is the hill country: the bluebonnets run from March and the real show is usually early to mid April, with nothing left by summer. The weather half is a slope - pleasant and not yet hot at the start, hot and humid by the end, with nights still in the low teens. Our row averages 27.3C over 15.1C, a twelve-degree gap, at 68 percent humidity with a 21.4 kph wind. Rain is 108mm across 6.5 days, which means storms rather than showers when they arrive. Wildflower roads west of the city are the day out this month is for. The record: a dew point of 13.5C, 8.8 hours of sun and AQI 40.
BluebonnetsThenTheHeat · 4月 · 4 天前 · 在 Tripadvisor 上读更多 ↗
November is the month Austin regulars hand over as the city's best weather, with the summer humidity gone and highs in the 60s and 70s Fahrenheit through the first half. The month does not hold still, though: by late November it has turned, shorts are unlikely, and the standing description of the swing is 40 one day and 75 the next. What they suggest packing for the last week is jeans, a long-sleeved shirt and a light jacket. Two practical consequences follow: the rivers are too cool for tubing by now, a heated pool aside, and the Hill Country is the day trip people name instead. Our row's 22.9C average high against 10.8C nights is that gap in one line. The record: 5.1 precipitation days carrying 56.2mm, 7.2 hours of sun and AQI 34.
FortyOneDaySeventyFiveTheNext · 11月 · 4 天前 · 在 Tripadvisor 上读更多 ↗

在地图上奥斯汀的卡片里写下你自己的笔记

奥斯汀气候平均值——9月

白天最高气温34°C / 94°F🔥 酷热
夜间最低气温22°C / 72°F
体感温度(最高)37°C / 99°F
降雨量63 mm / 2.5 in🌦 偶有降雨
雨天数4 天
湿度65%💧 潮湿
露点19°C / 66°F
日照10 小时/天
白昼时间12.3 小时
15 km/h / 10 mph
空气质量(美国 AQI)44🍃 良好

月平均值来自 ERA5 再分析。AQI 为该月美国空气质量指数的平均值。

奥斯汀在9月的人潮

这里看的是地方本身有多热闹——学校假期和全民假期、编辑标注的月份,以及天气让它有多抢手。人潮从不计入舒适度分数。

人潮高峰Austin City Limits Festival、美国的Summer break(估算)

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人潮高峰人多平季人少

奥斯汀天气最好的月份

按这个目的地自己全年的气候舒适度分数排序——这和它有多拥挤是两回事(见上方的人潮)。

天气尚可奥斯汀天气最好的时候是3月、4月和11月——是几段分开的窗口,而不是一个连续的季节。

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天气最佳天气尚可天气最难熬

9月的奥斯汀有什么活动

每年重复的季节活动、自然奇观、停业期和假期——经过编辑筛选并附上来源。

  • 自然

    Congress Avenue bats

    3月20日 – 11月1日 · 通常野生动物季

    A million and a half Mexican free-tailed bats roost under the bridge from spring until they head south in the autumn. August, when the pups are flying, gives the biggest emergence at dusk. 来源 ↗

  • 风险

    Blue-green algae on the lake

    5月15日 – 10月31日 · 通常藻华与赤潮有停业

    The city posts warnings for toxic cyanobacteria on Lady Bird Lake through the warm months. It is a dog problem more than a swimmer's problem, but it closes the water access points. 来源 ↗

  • 风险

    Texas summer heat

    6月1日 – 9月20日 · 通常极端高温

    Weeks of triple-digit afternoons with the run of hundred-degree days now routinely stretching into September. Anything outdoors happens before nine or after eight, or in Barton Springs. 来源 ↗

  • 节庆

    Austin City Limits Festival

    9月30日 – 10月13日 · 通常音乐节人多要早订

    Two consecutive three-day weekends in Zilker Park in early October, with the same lineup twice. The second weekend is usually the easier ticket and the cooler weather. 来源 ↗

9月全世界有什么活动 →

就在附近,而且正有活动

奥斯汀方圆 300 公里内——一日游或短途可达——而且这个月有活动。绝不计入舒适度分数。

奥斯汀在哪里?

地图加载中…

9月的奥斯汀——常见问题

9月适合去奥斯汀吗?
奥斯汀的9月:酷热、略有降雨,还有空气清新——只要受得了37°C 的午后就没问题。以 SeasonMap 的舒适度分数来看,这是奥斯汀 12 个月里的第 9 名(66/100)。
奥斯汀在9月的天气怎么样?
9月的奥斯汀平均最高气温 34.4°C、最低气温 22.2°C,降雨约 62.8 mm,雨天约 4 天。
奥斯汀在9月的空气质量如何?
奥斯汀在9月的美国 AQI 月平均值约为 44。

300 公里内:Dallas的State Fair of Texas于9月25日 – 10月18日举行。

奥斯汀 9月 天气:34°C、4 个雨天、10 小时日照 | SeasonMap