Beijing weather in September 2027
18–28°C
Cool, clear days are perfect for the Great Wall and Forbidden City once the summer crowds ease.
Rain: about 6–8 days — the Northern China average.
Beijing’s month-by-month timing →Month Guide
Planning a China trip in September? Get 17–26°C weather, 9 rainy days, best regions to visit & insider tips to avoid crowds.

The Short Answer
In September, China’s temperatures average 17°C to 26°C, with about 9 rainy days and a crowd level of 4/5. It’s best for the Mid-Autumn Festival, hiking and the return of perfect weather.
Temperature
17°C - 26°C
Rain Days
9
Crowd Level
4/5
Best for
the Mid-Autumn Festival, hiking and the return of perfect weather
Average low and high temperatures for 10 Chinese cities in September 2027, from the same 10-year records behind the national figures. Rainy-day counts are for the wider region each city sits in.
18–28°C
Cool, clear days are perfect for the Great Wall and Forbidden City once the summer crowds ease.
Rain: about 6–8 days — the Northern China average.
Beijing’s month-by-month timing →17–27°C
Comfortable for cycling the city wall and seeing the Terracotta Army in good light.
Rain: about 6–8 days — the Northern China average.
Xi'an’s month-by-month timing →24–32°C
Karst peaks reflected in the Li River; the worst humidity finally eases.
Rain: about 9–11 days — the Southern China average.
Guilin’s month-by-month timing →12–22°C
September opens the autumn-foliage season and the sea of clouds at its best.
10–22°C
Early autumn paints the valleys red and gold while post-summer crowds thin out.
Rain: about 10–13 days — the Southwestern China average.
14–24°C
Mild, sunny days ideal for the old towns and highland lakes.
Rain: about 10–13 days — the Southwestern China average.
Yunnan’s month-by-month timing →8–22°C
The last comfortable window before winter, with clear skies for Everest views.
Rain: about 6–10 days — the Qinghai–Tibet Plateau average.
Tibet’s month-by-month timing →12–27°C
Crisp, dry and golden; grape-harvest season in Turpan.
Rain: about 3–5 days — the Northwestern China average.
18–28°C
Misty sandstone pillars in comfortable temperatures and fewer crowds than summer.
21–28°C
Pleasant Bund walks once the heat finally breaks.
Rain: about 8–10 days — the Eastern China average.
Shanghai’s month-by-month timing →| Region | Avg Temperature | Rainy Days | Conditions |
|---|---|---|---|
| Northern China (Beijing, Xi'an) | 18–28°C | 6–8 days | Pleasant and cooling down — the best weather returns after the summer swelter. |
| Eastern China (Shanghai, Hangzhou) | 21–29°C | 8–10 days | Warm and humid early, turning comfortable; watch for typhoon-remnant rain. |
| Southern China (Guangzhou, Guilin) | 24–33°C | 9–11 days | Still hot and humid; the real cool-down only arrives in October. |
| Southwestern China (Yunnan, Sichuan) | 15–27°C | 10–13 days | Mild and green — ideal hiking weather in the highlands. |
| Northwestern China (Dunhuang, Xinjiang) | 12–27°C | 3–5 days | Crisp, dry and sunny; excellent for photography and the grape harvest. |
| Northeastern China (Harbin, Changchun) | 12–24°C | 6–8 days | Cool, comfortable autumn with few tourists. |
| Qinghai–Tibet Plateau (Lhasa, Everest) | 8–22°C | 6–10 days | Clear, cool days — the last comfortable window before winter sets in. |
| Inner Mongolia (Hulunbuir) | 10–24°C | 5–7 days | Golden grasslands and cool air as the autumn colors begin. |
| Southern Coast (Sanya, Xiamen) | 26–32°C | 7–9 days | Warm sea and lower humidity than summer — good beach weather. |
Interactive tools to compare September against other months, scan regional weather at a glance, and check flight & hotel costs before you book.
Interactive China Map
Hover or tap a region to see the best time to visit.
Round-Trip Flights: US to Beijing (avg. USD)
Source: Aggregated Google Flights data, US departure cities.
4-Star Hotels: Price Index by Season (% of peak)
Off-Peak: Hotels run 40-50% off rack rates. Highly negotiable. *Excludes Chinese New Year.
Shoulder: Good availability, standard rates. Book 2-4 weeks ahead.
Peak: Full price, high demand. Book 1-2 months ahead for popular cities.
Compare Side by Side
Pick two to compare and we’ll help you decide.
September
October
Quick Take
September: The other perfect month. Cool, dry, beautiful. Mid-Autumn mooncakes are a bonus. Book ahead for the festival weekend.
October: The best weather of the year, ruined by Golden Week (Oct 1-7). Come after the 8th for the single best travel window in China.
Is September Worth Visiting?
Yes — September is one of the best months to visit China. The brutal summer heat breaks across most of the country, the air turns crisp in the north, and the autumn-foliage season begins in the mountains. Crowds are moderate (4/5) and only spike around the Mid-Autumn Festival and the run-up to National Day. Avoid those two windows and you get near-ideal weather with far fewer people than peak October — an especially strong pick for hiking, photography and first-time city tours.
Highlights
Watch Out For
What to Pack
Light layers, a sweater or light jacket for cool mornings and evenings in the north, comfortable walking shoes, and a compact umbrella for the occasional southeast-coast shower.
North China (Beijing, Xi'an)
Eastern & Southern China (Shanghai, Guangzhou, Guilin)
Southwestern Highlands (Yunnan, Sichuan)
Qinghai–Tibet Plateau (Lhasa, Everest)
Northwest & North (Xinjiang, Inner Mongolia, Harbin)
Budget Travel
$55/day
Mid-Range
$160/day
Flights
Book 2-3 weeks ahead; good deals outside Mid-Autumn
Trains
High-speed rail perfect for Beijing-Xi'an route
Local Transport
Beijing subway; Guilin buses to Yangshuo
Price Range:
$35 – $170/night
Best Areas to Stay
Mooncakes for Mid-Autumn Festival
Beijing roast duck
Xi'an biangbiang noodles
Guilin rice noodles
Family Travel
Solo Travel
Yes. After the summer heat, September brings comfortable temperatures (averaging 17–26°C), lower humidity in the north, and the start of autumn colors. Crowds are moderate except around the Mid-Autumn Festival.
Northern and central China cool to 18–28°C with 6–8 rainy days; the south stays warm at 24–33°C; the highlands (Tibet, Yunnan) are mild at 12–27°C. It is a transition month, so pack layers.
Moderate (4/5). The biggest spikes are the Mid-Autumn Festival and the days just before National Day (Oct 1–7). Avoid those windows and crowds are manageable.
Light layers — t-shirts for warm afternoons, a jacket or sweater for cool northern mornings and evenings, comfortable walking shoes, and a compact umbrella for the occasional typhoon-remnant shower on the coast.
The north and mountains shine: Beijing, Xi'an, the Yellow Mountains and Jiuzhaigou for early foliage; Tibet and Yunnan for clear, calm highland weather; Xinjiang for the grape harvest and golden deserts.
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