What is the weather like in Suzhou in September?

Expect temperatures between 22°C and 28°C with 25% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Suzhou in September?

Suzhou in September scores 56/100 based on 30 years of climate data. Worthwhile timing with some trade-offs.

Who should visit Suzhou in September?

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

Suzhou Weather in September | 30-Year Forecast

Avg High

28°C

Hottest around day 1

Avg Low

22°C

Coolest around day 23

Rainy Days

17days

25% avg rain chance

Sunshine

8hrs/day

Autumn season

Essential Travel Info for Suzhou

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

Currency

CNY

¥ Chinese yuan

Language

Chinese

Driving

Right side

Connect

Suzhou has many free Wi-Fi access points...

Safety

Moderate Safety

GPI: 2.01

Travel Intelligence

Exclusive flight analytics & health data for Suzhou

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Moderate

42/ 100

Traffic Index

Balanced traffic

Peak Daily Arrivals

slots per day

Peak

Jul

Low

May

Monthly Traffic Distribution

109

Jan

110

Feb

102

Mar

Apr

May

107

Jun

116

Jul

112

Aug

111

Sep

104

Oct

107

Nov

106

Dec

Traffic Level

Low Season

Key Connections

Guangzhou Baiyun (CAN)

Shenzhen Bao'an (SZX)

Chongqing Jiangbei (CKG)

Chengdu Tianfu (TFU)

Xianyang Xi'an (XIY)

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 Suzhou?

👌Worthwhile timing with some trade-offs(56/100)

Short Answer

Suzhou's September delivers on its reputation: 28°C, 25% rain, 8.4h sunshine. The trade-off? Peak crowds and prices at 96% capacity.

Decision Factors

Oppressive heat and humidity

28.1°C with 79% humidity - challenging conditions

Vaccinations required

Yellow Fever

Poor air quality: Unhealthy

Unhealthy. Everyone should reduce outdoor activities.

Peak tourist season

96% of annual peak - expect crowds and peak prices

Health precautions needed

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

Plenty of sunshine

8.4h of sunshine daily

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

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Suzhou in September averages 28°C with 25% precipitation probability."

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

Frequently Asked Questions: Suzhou in September

What are the temperatures in Suzhou in September?

Daytime highs average 28°C, nights drop to 22°C. Temperatures remain fairly consistent.

How many rainy days in Suzhou in September?

Expect around 17 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Suzhou in September?

Comfortable casual wear with a light jacket for evenings.

Is September peak season in Suzhou?

This is shoulder season—moderate prices and manageable crowds.

Suzhou Weather in September

Suzhou September Weather Calendar