30YearWeather
Suzhou, September 11
Suzhou street view during September
Historical Weather Analysis

Suzhou Weather on September 11 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

cloudy

28.7°C

High

22.4°C

Low

32%

Rain

🔥 Feels like 33.9°C (humidity)

partly-cloudy-day
YES, GOOD CHOICE
Peak Season

September 11 is generally a great time to visit Suzhou. While there is a slight chance of rain (32%), showers are usually brief. Expect comfortable 29°C weather. Expect a bustling atmosphere in Suzhou right now—this is when the city truly comes alive with visitors.

Currency

CNY

¥ Chinese yuan

Language

Chinese

Driving

Right side

Connect

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

Safety

Moderate Safety

GPI: 2.01

Suzhou Weather Forecast for September 11

"Warm & Sunny. Expect average highs of 28.7°C. 32% chance of rain."

What to Wear in Suzhou in September

Based on historical data for September 11, Suzhou typically experiences temperatures between 22.4°C and 28.7°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 32% chance of rain, keeping a raincoat or umbrella handy is a smart move.

Complete Packing Guide

Weekly breakdown & essential items for Suzhou

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing
  • Umbrella

Average High

extreme-hot

28.7°C

Daytime Peak

Average Low

extreme-cold

22.4°C

Nighttime Low

Feels Like

partly-cloudy-day

33.9°C

🔥 Heat index effect

Rain Chance

rain

32%

Avg 2.5mm if it rains

Cloud Cover

cloudy

60%

Light drizzle

Pressure

pressure

1011.4 hPa

Low volatility

Suzhou Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

74%Reliable

Based on 10 years of data

Temperature
±1.8°CStable
Precipitation
16-80%Unpredictable

Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.

Sun Exposure

UV Index & Safety Guide

3Moderate
036811+

Protection Needed

SPF 30 recommended

Safe Sun Windows
Morning

05:00 - 10:00

Afternoon

16:00 - 18:00

Time to Sunburn

Type I-II

🔴 27 min to burn

Type III-IV

🟡 41 min to burn

Type V-VI

🟢 68 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

50Moderate
TemperatureHot
HumidityMuggy
WindBreezy

Dew Point

24.9°C

Humid/Sticky

Heat Index

33.9°C

Feels hotter

😐 Best outdoor time:
Morning hours (before 11 AM)

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in China

Flight Traffic

High

96/100 pressure index

Health Advisory

Required

2 vaccines • View Details →

Landing Slots

~111

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Suzhou

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

05:40

☀️ Noon

11:55

🌇 Sunset

18:11

⏱️ Daylight

12h 30m

Golden Hour
Morning05:40 - 06:12
17:39 - 18:11Evening

Wind Speed

wind

17.4 km/h

Gentle breeze

Sunshine

clear-day

8.5 hrs

Direct Sun (Cloud-free)

Humidity

humidity

80%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Suzhou

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Travel Health & Safety in Suzhou

Travel Comfort Index

Real-time tourism conditions

Weather Quality

⛅ Good

74/100

Tourist Crowds

🟡 Busy

85/100

Price Level

💰💰💰 Expensive

90/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1011.4 hPa
Volatility:Low
Migraine RiskLow

Stable conditions. Low risk of headaches.

Joint Pain RiskMedium

Mild discomfort possible for arthritic conditions.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
182AQI
Unhealthy
PM2.5 Concentration92.9 µg/m³

Unhealthy. Everyone should reduce outdoor activities.

Regional Safety Profile

Low

Seismic Activity

Rare minor tremors. Buildings are earthquake-resistant.

Total events (30y):1
In Sep (30y):0
💡 Very rare tremors. Standard travel precautions apply.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Suzhou on September 11 averages 28.7°C with a 32% precipitation probability. Wedding/Outdoor Event Score: 89/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

Suzhou Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2023
31°C
Coldest
2018
20.5°C
Rainiest
2024
66.2mm

Better Alternatives Nearby

Consider these dates within ±7 days

💡 Moving your event by a few days could significantly improve weather conditions

Compare Other Cities

Same date (September 11) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Suzhou Worth Visiting on September 11?

Planning a trip to Suzhou on September 11? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 28.7°C with a 32% historical precipitation risk.

✈️ Travel Logistics: Approximately 111 landing slots available daily during this period, indicating manageable crowd levels.

💉 Health Advisory: 10 vaccinations are recommended for China, including COVID-19.

📊 Historical Extremes: The hottest September 11 recorded in the last 30 years saw temperatures hit 31°C in 2023, while the coldest dropped to 20.5°C in 2018.

Suzhou Weather FAQ