30YearWeather
Beijing, September 12
Beijing street view during September
Historical Weather Analysis

Beijing Weather on September 12 — Best Time to Visit?

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

clear-day

27.3°C

High

17.1°C

Low

11%

Rain

🔥 Feels like 28.9°C (humidity)

clear-day
YES, IT'S PARADISE
Peak Season

September 12 is statistically one of the best days of the year in Beijing. With minimal rain risk (11%) and pleasant highs of 27°C, it's ideal for outdoor adventures. Beijing is currently in its most popular travel window, meaning vibrant crowds and premium pricing.

Currency

CNY

¥ Chinese yuan

Language

Chinese

Driving

Right side

Safety

Moderate Safety

GPI: 2.01

Beijing Weather Forecast for September 12

"Warm & Sunny. Expect average highs of 27.3°C. 11% chance of rain."

What to Wear in Beijing in September

Based on historical data for September 12, Beijing typically experiences temperatures between 17.1°C and 27.3°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (11% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Beijing

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing

Average High

extreme-hot

27.3°C

Daytime Peak

Average Low

extreme-cold

17.1°C

Nighttime Low

Feels Like

partly-cloudy-day

28.9°C

🔥 Minor difference

Rain Chance

rain

11%

Avg 0.5mm if it rains

Cloud Cover

cloudy

48%

Overcast

Pressure

pressure

1014 hPa

Low volatility

Beijing Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

96%Highly Predictable

Based on 10 years of data

Temperature
±1.9°CStable
Precipitation
6-30%Moderate

🎯 This date historically delivers consistent weather 96% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

3.1Moderate
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

🔴 26 min to burn

Type III-IV

🟡 39 min to burn

Type V-VI

🟢 65 min to burn

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

Outdoor Comfort

How pleasant is it outside?

78Good
TemperatureHot
HumidityHumid
WindLight Breeze

Dew Point

20.1°C

Humid/Sticky

Heat Index

28.9°C

Feels hotter

🙂 Best outdoor time:
Any time during daylight hours

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in China

Flight Traffic

High

92/100 pressure index

Health Advisory

Required

2 vaccines • View Details →

Landing Slots

~1,540

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Beijing

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

05:53

☀️ Noon

12:12

🌇 Sunset

18:31

⏱️ Daylight

12h 37m

Golden Hour
Morning05:53 - 06:29
17:55 - 18:31Evening

Wind Speed

wind

11.6 km/h

Light breeze

Sunshine

clear-day

9.1 hrs

Direct Sun (Cloud-free)

Humidity

humidity

65%

Slightly humid

Travel Intelligence

Exclusive flight analytics & health data for Beijing

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 Beijing

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

91/100

Tourist Crowds

🟡 Busy

85/100

Price Level

💰💰💰 Expensive

90/100

Health & Wellbeing

Meteo-Health Forecast

100Score
Atmospheric Pressure1014 hPa
Volatility:Low
Migraine RiskLow

Stable conditions. Low risk of headaches.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
268AQI
Very Unhealthy
PM2.5 Concentration156 µg/m³

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

Regional Safety Profile

Low

Seismic Activity

Rare minor tremors. Buildings are earthquake-resistant.

Total events (30y):7
In Sep (30y):1
Last in Sep:2014-09-06
💡 Very rare tremors. Standard travel precautions apply.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Beijing on September 12 averages 27.3°C with a 11% precipitation probability. Wedding/Outdoor Event Score: 100/100."

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

Beijing Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2025
30.6°C
Coldest
2017
14.7°C
Rainiest
2021
20.6mm

Compare Other Cities

Same date (September 12) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Beijing Worth Visiting on September 12?

Planning a trip to Beijing on September 12? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 27.3°C with a 11% historical precipitation risk.

✈️ Travel Logistics: Approximately 1,540 landing slots available daily during this period, indicating peak tourist activity.

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

📊 Historical Extremes: The hottest September 12 recorded in the last 30 years saw temperatures hit 30.6°C in 2025, while the coldest dropped to 14.7°C in 2017.

Beijing Weather FAQ