Xi'an weather in September
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Xi'an September weather at a glance
In September, Xi'an averages 23.3°C, with typical highs of 28°C and lows of 19.3°C. The historical average is 12 wet days and 70% humidity.
Xi'an September temperature & humidity
Xi'an September rain & wet days
Pack a compact umbrella. Keep an indoor stop available between outdoor activities.
What to wear in Xi'an in September
Choose breathable summer clothes and pack sun protection. Showers are possible, so a compact umbrella is useful.
- DaytimeBreathable short sleeves, hat and sunscreen · average high 28°C
- Morning & eveningLight layer for air-conditioned rooms · average low 19.3°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Xi'an September sunrise & sunset times
2026 September · Local time (Asia/Shanghai)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-09-01 | 06:17 | 19:11 | 12h 54m |
| 2026-09-15 | 06:27 | 18:52 | 12h 24m |
| 2026-09-30 | 06:38 | 18:30 | 11h 53m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
Xi'an travel updates
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Forecast · Windy. Monthly averages are in the Temperature section.
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Xi'an city map
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Xi'an travel essentials
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Best months to visit Xi'an
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
September weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Xi'an weather like in September?
In September, Xi'an averages 23.3°C, with typical highs of 28°C and lows of 19.3°C. The historical average is 12 wet days and 70% humidity. Our weather-comfort rating for this month is fair.
Does it rain a lot in Xi'an in September?
There are about 12 wet days in September. A compact umbrella is still useful.
What should I wear in Xi'an in September?
Choose breathable summer clothes and pack sun protection. Showers are possible, so a compact umbrella is useful.
What are the best months to visit Xi'an?
Recent weather data rates March, April, May, October among the more comfortable months.
Where can I check Xi'an weather in September in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Xi'an in September?
On 2026-09-15, calculated sunrise is 06:27 and sunset is 18:52 in local time (Asia/Shanghai). Times vary by date and terrain.
Xi'an weather by month
More Greater China destinations in September
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations