September · China
Best time to visit Xi'an in September Weather, crowds & prices
Weather in Xi'an in September
Average temperature 22°C, 136 mm of rain, about 20 days with 6+ hours of sunshine and 73% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
7.3/10
Ranked #8 of 12 months
- Avg temp
- 22°C
- Rainfall
- 136 mm
- Humidity
- 73%
- Days with 6h+ sun
- 20
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Xi'an scores 7.3/10 for sightseeing and cultural travel - ranked #8 of 12. Expect around 22°C, 136 mm of rain, and roughly 20 days with 6+ hours of sunshine this month.
A Ming-era city wall rings Xi'an's old center, with the Terracotta Army an hour outside and Muslim Quarter food inside.
September in Xi'an: strong conditions, 8th of 12
September averages 22°C (72°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
Monthly rainfall reaches 136 mm — wet for this destination — but about 20 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 7.3/10 here, 8th of 12 months, against 9.4/10 in the destination's best month.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.
Plan for mid-season pricing, with crowds are moderate.
Flexible dates? April scores 2.1 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Xi'an in September?
- In September, Xi'an averages 22°C, 136 mm of rain, and about 20 days with 6+ hours of sunshine. Its climate-comfort score is 7.3/10.
- Is September a good time to visit Xi'an?
- September earns a 7.3/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Xi'an in September?
- Expect about 136 mm of rain in September. Average humidity is 73% and there are about 20 days with 6+ hours of sunshine.
Curated in Xi'an
Tickets & experiences
Things to do in Xi'an
Xi'an, China. Live activities and tours from GetYourGuide, matched to this destination.