What is the weather like in Chengdu in September?

Expect temperatures between 20°C and 26°C with 38% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Chengdu in September?

Chengdu in September scores 61/100 based on 30 years of climate data. A reasonable choice for your trip.

Who should visit Chengdu in September?

September in Chengdu is ideal for: Cultural tourists, Business travelers.

Chengdu Weather in September | 30-Year Forecast

Avg High

26°C

Hottest around day 1

Avg Low

20°C

Coolest around day 29

Rainy Days

28days

38% avg rain chance

Sunshine

8hrs/day

Autumn season

Essential Travel Info for Chengdu

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

Currency

CNY

¥ Chinese yuan

Language

Chinese

Driving

Right side

Connect

China's country code is86. Chengdu's ar...

Safety

Moderate Safety

GPI: 2.01

Travel Intelligence

Exclusive flight analytics & health data for Chengdu

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Well Connected

62/ 100

Traffic Index

Popular destination

Peak Daily Arrivals

slots per day

Peak

Aug

Low

May

Monthly Traffic Distribution

301

Jan

295

Feb

294

Mar

244

Apr

243

May

300

Jun

311

Jul

329

Aug

322

Sep

281

Oct

310

Nov

311

Dec

Traffic Level

Low Season

Key Connections

Beijing Capital (PEK)

Shenzhen Bao'an (SZX)

Guangzhou Baiyun (CAN)

Hangzhou Xiaoshan (HGH)

Lhasa Gonggar (LXA)

Health & Safety Advisory

CDC travel health recommendations

10 Recommendations

COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Chikungunya

There is anoutbreak of chikungunyain Guangdong Province, China.Chikungunya vaccinationis recommended for people traveling to an area with a chikungunya outbreak.

Hepatitis A

Recommended for unvaccinated travelers one year old or older going to China.Infants 6 to 11 months old should also be vaccinated against Hepatitis A. The dose does not count toward the routine 2-dose series.Travelers allergic to a vaccine component should receive a single dose of immune globulin, which provides effective protection for up to 2 months depending on dosage given.Unvaccinated travelers who are over 40 years old, are immunocompromised, or have chronic medical conditions planning to depart to a risk area in less than 2 weeks should get the initial dose of vaccine and at the same appointment receive immune globulin.

Hepatitis B

Recommended for unvaccinated travelers of all ages traveling to China.

Japanese Encephalitis

Recommended for travelers whoAre moving to an area with Japanese encephalitis to liveSpend long periods of time, such as a month or more, in areas with Japanese encephalitisFrequently travel to areas with Japanese encephalitisConsider vaccination for travelersSpending less than a month in areas with Japanese encephalitis but will be doing activities that increase risk of infection, such as visiting rural areas, hiking or camping, or staying in places without air conditioning, screens, or bed netsGoing to areas with Japanese encephalitis who are uncertain of their activities or how long they will be thereNot recommended for travelers planning short-term travel to urban areas or travel to areas with no clear Japanese encephalitis season.

Measles

Cases of measles are on the rise worldwide. Travelers are at risk of measles if they have not been fully vaccinated at least two weeks prior to departure, or have not had measles in the past, and travel internationally to areas where measles is spreading.All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, including an early dose for infants 6–11 months, according toCDC’s measles vaccination recommendations for international travel.

+4 more

Source: CDC Travelers' Health

View Complete Health Guide

Is September a Good Time to Visit Chengdu?

👌A reasonable choice for your trip(61/100)

Short Answer

Popular September in Chengdu offers 26°C and 38% rain chance - excellent conditions that attract maximum visitors. Book 3-6 months ahead for best rates.

Decision Factors

Vaccinations required

Yellow Fever

Seismically active region

10 earthquakes recorded in this month (30-year data)

Poor air quality: Unhealthy

Unhealthy. Everyone should reduce outdoor activities.

Peak tourist season

98% of annual peak - expect crowds and peak prices

Health precautions needed

Be aware of: Leptospirosis, Schistosomiasis, Crimean-Congo Hemorrhagic fever

Exceptional dining scene

76 Michelin-listed restaurants

Good For

🏛️
Cultural tourists
Comfortable conditions for exploring museums and sites
💼
Business travelers
Climate-controlled meetings unaffected by weather

Who Should Avoid

💰
Budget travelers
Peak season means premium prices everywhere
👴
Elderly travelers
79% humidity creates difficult conditions
📸
Photographers
78% cloud cover limits natural light opportunities

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Chengdu in September averages 26°C with 38% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Chengdu in September

What are the temperatures in Chengdu in September?

Daytime highs average 26°C, nights drop to 20°C. Temperatures remain fairly consistent.

How many rainy days in Chengdu in September?

Expect around 28 days with measurable rainfall. An umbrella is advisable.

What to wear in Chengdu in September?

Comfortable casual wear with a light jacket for evenings.

Is September peak season in Chengdu?

This is shoulder season—moderate prices and manageable crowds.

Chengdu Weather in September

Chengdu September Weather Calendar