What is the weather like in Xi'an in September?

Expect temperatures between 17°C and 26°C with 30% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Xi'an in September?

Xi'an in September scores 61/100 based on 30 years of climate data. Good option with minor considerations.

Who should visit Xi'an in September?

September in Xi'an is ideal for: Elderly travelers, Cultural tourists, Business travelers, Heat-sensitive visitors.

Xi'an Weather in September | 30-Year Forecast

Avg High

26°C

Hottest around day 1

Avg Low

17°C

Coolest around day 30

Rainy Days

24days

30% avg rain chance

Sunshine

8hrs/day

Autumn season

Essential Travel Info for Xi'an

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

Currency

CNY

¥ Chinese yuan

Language

Chinese

Driving

Right side

Connect

It's not very easy to make friends with ...

Safety

Moderate Safety

GPI: 2.01

Travel Intelligence

Exclusive flight analytics & health data for Xi'an

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Well Connected

75/ 100

Traffic Index

Popular destination

Peak Daily Arrivals

slots per day

Peak

Aug

Low

Apr

Monthly Traffic Distribution

457

Jan

496

Feb

483

Mar

350

Apr

355

May

462

Jun

523

Jul

526

Aug

500

Sep

449

Oct

407

Nov

460

Dec

Traffic Level

Low Season

Key Connections

Shenzhen Bao'an (SZX)

Guangzhou Baiyun (CAN)

Shanghai Pudong (PVG)

Ürümqi Diwopu (URC)

Beijing Daxing (PKX)

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 Xi'an?

👌Good option with minor considerations(61/100)

Short Answer

September is Xi'an's peak season for good reason: 26°C temperatures and 30% rain probability. But expect crowds (95% of annual maximum) and premium prices.

Decision Factors

Vaccinations required

Yellow Fever

Poor air quality: Unhealthy

Unhealthy. Everyone should reduce outdoor activities.

Peak tourist season

95% of annual peak - expect crowds and peak prices

Ideal temperature range

25.7°C - perfect for sightseeing and outdoor activities

Health precautions needed

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

Good For

👴
Elderly travelers
Comfortable 25.7°C temperature range with manageable humidity
🏛️
Cultural tourists
Comfortable conditions for exploring museums and sites
💼
Business travelers
Climate-controlled meetings unaffected by weather
🌡️
Heat-sensitive visitors
Manageable 25.7°C without oppressive humidity

Who Should Avoid

💰
Budget travelers
Peak season means premium prices everywhere

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

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

Frequently Asked Questions: Xi'an in September

What are the temperatures in Xi'an in September?

Daytime highs average 26°C, nights drop to 17°C. Temperatures remain fairly consistent.

How many rainy days in Xi'an in September?

Expect around 24 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Xi'an in September?

Comfortable casual wear with a light jacket for evenings.

Is September peak season in Xi'an?

This is shoulder season—moderate prices and manageable crowds.

Xi'an Weather in September

Xi'an September Weather Calendar