Xi'an in Fall
In fall (September, October and November), Xi'an sees average daytime highs around 19°C and overnight lows near 11°C, with 254 mm of precipitation over about 28 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 28°C in early September to 10°C by late November. The sky is clear or mostly clear about 36% of the time across fall, and the air most often feels dry.
Fall is Xi'an's 2nd-best season to visit on our travel score. For the whole year in context, see Xi'an's year-round climate.
- Avg daytime high
- 19°C
- 3rd-warmest season
- Avg overnight low
- 11°C
- Precipitation
- 254 mm
- 28 wet days
- Avg wind
- 5 km/h
- Travel score
- 5.5
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Xi'an in Fall
Over the season highs ease from about 28°C in early September to 10°C by late November.
A typical fall day in Xi'an reaches about 19°C and drops to 11°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Xi'an
Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
fall sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Xi'an weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 6° / -3° | 13 | 3.2 | 2.6 | 10 | 0.4 |
| Feb | 10° / 0° | 18 | 4.1 | 2 | 10.7 | 2.5 |
| Mar | 16° / 5° | 33 | 6 | 0.7 | 11.7 | 5.4 |
| Apr | 23° / 11° | 46 | 7 | 0.1 | 12.8 | 7.1 |
| May | 27° / 16° | 71 | 8.2 | 0 | 13.8 | 6.5 |
| Jun | 31° / 20° | 93 | 7.3 | 0 | 14.2 | 4.7 |
| Jul | 32° / 23° | 144 | 10.7 | 0 | 14.1 | 3.8 |
| Aug | 31° / 22° | 129 | 10.6 | 0 | 13.3 | 4.6 |
| Sep | 26° / 17° | 133 | 11.7 | 0 | 12.2 | 6.3 |
| Oct | 20° / 11° | 81 | 10 | 0 | 11.1 | 6.2 |
| Nov | 13° / 4° | 40 | 6.6 | 1.1 | 10.2 | 4.0 |
| Dec | 7° / -1° | 13 | 3.3 | 1.4 | 9.8 | 1.2 |
Cloud cover in Fall
The sky is clear or mostly clear about 36% of the time across fall.
Chance of precipitation in Fall
Xi'an gets around 254 mm of rain and snow over 28 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 5 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 48 min in early September to 9 h 54 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 3.2 kWh/m².
Hazard calendar for Xi'an
In fall, Xi'an overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Xi'an's rainy season runs May–October, when most of the year's rain falls.
Xi'an sees seasonal dust haze (April–May), heaviest in May.
Is fall a good time to visit Xi'an?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a reasonable time to visit Xi'an for sightseeing.
What to pack for Xi'an in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Xi'an sees daytime highs around 19°C and nights near 11°C. Worth packing: light clothes, a warm layer and rain gear. About 28 days see rain.
UV index in Xi'an in Fall
Clear-sky midday UV across fall averages around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Xi'an peaks around July 11 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 12 at about 2 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 6 | 6 | 8 | 10 | 10 | 7 | 8 | 5 | 3 | 2 |
| Level | Low | Moderate | High | High | Very high | Very high | Very high | Very high | Very high | Moderate | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 6 | High |
| Apr | 6 | High |
| May | 8 | Very high |
| Jun | 10 | Very high |
| Jul | 10 | Very high |
| Aug | 7 | Very high |
| Sep | 8 | Very high |
| Oct | 5 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Moderate |
Air quality in Xi'an in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Xi'an is worst in January — around 82 µg/m³ PM2.5 (unhealthy), about 1.9× the cleanest month (August, 42 µg/m³).
Seasonal pattern from CAMS reanalysis, scaled to Xi'an's WHO annual average of 63.1 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 82 | 77 | 75 | 67 | 59 | 49 | 43 | 42 | 53 | 65 | 72 | 74 |
| Level | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Poor | Poor | Poor | Poor | Unhealthy | Unhealthy | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 82 | Unhealthy |
| Feb | 77 | Unhealthy |
| Mar | 75 | Unhealthy |
| Apr | 67 | Unhealthy |
| May | 59 | Unhealthy |
| Jun | 49 | Poor |
| Jul | 43 | Poor |
| Aug | 42 | Poor |
| Sep | 53 | Poor |
| Oct | 65 | Unhealthy |
| Nov | 72 | Unhealthy |
| Dec | 74 | Unhealthy |
Where is Xi'an?
Xi'an sits at 34.3°N, 108.9°E, 416 m above sea level, in China. The nearest listed city is Luoyang, 325 km away.
Topography around Xi'an
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Xi'an.
Within 3 km, the terrain around Xi'an has only modest variations in elevation — a maximum elevation change of 34 m around an average of 409 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 385 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,645 m.
The land around Xi'an is covered by artificial surfaces (91%) within 3 km, artificial surfaces (61%) within 16 km, and trees (42%) and cropland (41%) within 80 km.
China travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / I
- 220 V · 50 Hz
- Prices
- ≈ 47% of US
- price level, 2025
- GDP per capita
- $13,862
- 2025
- Happiness
- 6.1 / 10
- World Happiness, 2025
- Homicide rate
- 0.5
- per 100k, 2020
- Road deaths
- 17.4
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 464
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Xi'an (34.2583°, 108.9286°, elevation 416 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.