What is the weather like in Shanghai in September?

Expect temperatures between 22°C and 28°C with 29% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Shanghai in September?

Shanghai in September scores 52/100 based on 30 years of climate data. Good option with minor considerations.

Who should visit Shanghai in September?

September in Shanghai is ideal for: Beach lovers, Cultural tourists, Business travelers.

Shanghai Weather in September | 30-Year Forecast

Avg High

28°C

Hottest around day 1

Avg Low

22°C

Coolest around day 30

Rainy Days

17days

29% avg rain chance

Sunshine

8hrs/day

Autumn season

Sea Temperature in September

East China Sea(东海)

29°C

Monthly Average

Water Feel

🌴Tropical

Perfect for swimming and water sports

Swim Rating

✅Excellent for swimming

Based on average sea surface temperature

Body of Water

East China Sea

东海

Shanghai coastline

Essential Travel Info for Shanghai

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

Currency

CNY

¥ Chinese yuan

Language

Chinese

Driving

Right side

Connect

Shanghai's area code for landlines is21,...

Safety

Moderate Safety

GPI: 2.01

Travel Intelligence

Exclusive flight analytics & health data for Shanghai

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Major Hub

100/ 100

Traffic Index

Extremely busy airport

Peak Daily Arrivals

slots per day

Peak

Nov

Low

Apr

Monthly Traffic Distribution

725

Jan

766

Feb

729

Mar

699

Apr

701

May

1767

Jun

2791

Jul

2846

Aug

2817

Sep

2778

Oct

3143

Nov

2961

Dec

Traffic Level

Low Season

Key Connections

Shenzhen Bao'an (SZX)

Guangzhou Baiyun (CAN)

Beijing Capital (PEK)

Chongqing Jiangbei (CKG)

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 Shanghai?

👌Good option with minor considerations(52/100)

Short Answer

September brings storm season risk to Shanghai. While typical weather is 28°C with 29% rain, plan for potential disruptions and secure cancellation-friendly bookings.

Decision Factors

Typhoon season active

Western Pacific zone - expect potential typhoon activity

Vaccinations required

Yellow Fever

Warm tropical seas

29°C sea temperature - Tropical Bath

Poor air quality: Very Unhealthy

Very unhealthy. Avoid outdoor activities. Wear N95 mask if you must go out.

Very high humidity

80% average humidity

Peak tourist season

90% of annual peak - expect crowds and peak prices

Good For

🏖️
Beach lovers
29°C warm seas and 29% rain probability
🏛️
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
80% humidity creates difficult conditions
💼
Business travelers
Storm season may cause flight disruptions

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Shanghai in September averages 28°C with 29% precipitation probability."

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

Frequently Asked Questions: Shanghai in September

What are the temperatures in Shanghai in September?

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

How many rainy days in Shanghai in September?

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

What to wear in Shanghai in September?

Comfortable casual wear with a light jacket for evenings.

Is September peak season in Shanghai?

This is shoulder season—moderate prices and manageable crowds.

Shanghai Weather in September