Chengdu in Fall
In fall (September, October and November), Chengdu sees average daytime highs around 21°C and overnight lows near 15°C, with 190 mm of rain over about 26 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 28°C in early September to 13°C by late November. The sky is clear or mostly clear about 13% of the time across fall, and the air most often feels dry.
Fall is Chengdu's 2nd-best season to visit on our travel score. For the whole year in context, see Chengdu's year-round climate.
- Avg daytime high
- 21°C
- 3rd-warmest season
- Avg overnight low
- 15°C
- Rainfall
- 190 mm
- 26 wet days
- Avg wind
- 6 km/h
- Travel score
- 5.9
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Chengdu in Fall
Over the season highs ease from about 28°C in early September to 13°C by late November.
A typical fall day in Chengdu reaches about 21°C and drops to 15°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Chengdu
Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
fall sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Chengdu weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 10° / 4° | 3 | 1 | 10.2 | 2.5 |
| Feb | 12° / 6° | 7 | 2 | 10.9 | 3.8 |
| Mar | 17° / 10° | 19 | 5.5 | 11.8 | 5.8 |
| Apr | 23° / 15° | 43 | 7.9 | 12.7 | 6.7 |
| May | 27° / 18° | 66 | 9.7 | 13.5 | 6.1 |
| Jun | 29° / 21° | 128 | 11.7 | 13.9 | 5.0 |
| Jul | 30° / 23° | 292 | 19.8 | 13.8 | 3.6 |
| Aug | 30° / 23° | 290 | 19.8 | 13.1 | 3.9 |
| Sep | 26° / 19° | 134 | 12.8 | 12.2 | 5.9 |
| Oct | 21° / 15° | 40 | 8.5 | 11.2 | 6.3 |
| Nov | 16° / 10° | 16 | 4.3 | 10.4 | 5.5 |
| Dec | 11° / 5° | 4 | 1.3 | 10.1 | 3.2 |
Cloud cover in Fall
The sky is clear or mostly clear about 13% of the time across fall.
Chance of precipitation in Fall
Chengdu gets around 190 mm of rain over 26 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 6 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 42 min in early September to 10 h 12 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 2.4 kWh/m².
Hazard calendar for Chengdu
In fall, Chengdu overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Chengdu's rainy season runs July–September, when most of the year's rain falls.
Is fall a good time to visit Chengdu?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a reasonable time to visit Chengdu for sightseeing.
What to pack for Chengdu in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Chengdu sees daytime highs around 21°C and nights near 15°C. Worth packing: light clothes, a warm layer and rain gear. About 26 days see rain.
UV index in Chengdu in Fall
Clear-sky midday UV across fall averages around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Chengdu peaks around July 16 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 2 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 5 | 7 | 7 | 9 | 9 | 10 | 9 | 8 | 5 | 4 | 3 |
| Level | Moderate | Moderate | High | High | Very high | Very high | Very high | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 5 | Moderate |
| Mar | 7 | High |
| Apr | 7 | High |
| May | 9 | Very high |
| Jun | 9 | Very high |
| Jul | 10 | Very high |
| Aug | 9 | Very high |
| Sep | 8 | Very high |
| Oct | 5 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in Chengdu in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Chengdu is worst in January — around 60 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.
Seasonal pattern from CAMS reanalysis, scaled to Chengdu's WHO annual average of 49.3 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 60 | 58 | 57 | 50 | 47 | 39 | 38 | 38 | 44 | 49 | 54 | 57 |
| Level | Unhealthy | Unhealthy | Unhealthy | Poor | Poor | Poor | Poor | Poor | Poor | Poor | Poor | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 60 | Unhealthy |
| Feb | 58 | Unhealthy |
| Mar | 57 | Unhealthy |
| Apr | 50 | Poor |
| May | 47 | Poor |
| Jun | 39 | Poor |
| Jul | 38 | Poor |
| Aug | 38 | Poor |
| Sep | 44 | Poor |
| Oct | 49 | Poor |
| Nov | 54 | Poor |
| Dec | 57 | Unhealthy |
Where is Chengdu?
Chengdu sits at 30.7°N, 104.1°E, 499 m above sea level, in China. The nearest listed city is Leshan, 126 km away.
Topography around Chengdu
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Chengdu.
Within 3 km, the terrain around Chengdu has only modest variations in elevation — a maximum elevation change of 42 m around an average of 501 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 124 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,717 m.
The land around Chengdu is covered by artificial surfaces (88%) within 3 km, artificial surfaces (55%) within 16 km, and trees (53%) and cropland (33%) within 80 km.
China travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / I
- 220 V · 50 Hz
- Prices
- ≈ 47% of US
- price level, 2025
- GDP per capita
- $13,862
- 2025
- Happiness
- 6.1 / 10
- World Happiness, 2025
- Homicide rate
- 0.5
- per 100k, 2020
- Road deaths
- 17.4
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 464
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Chengdu (30.6667°, 104.0667°, elevation 499 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.