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

In September, Chengdu averages 27°C high / 20°C low with about 148 mm of rain; Xi'an averages 26°C high / 18°C low with about 157 mm.

Chengdu vs Xi'an in September

Xi'an is the better pick in September — 74 vs 61 on SeasonMap's comfort score. Xi'an is warm, soaked, poor air quality, while Chengdu is hot, rainy, poor air quality.

Chengdu vs Xi'an — September climate, side by side

	Chengdu	Xi'an
Comfort score	61/100 (C)	74/100 (B)
Feels-like high	30°C	28°C
Avg high / low	27° / 20°	26° / 18°
Rainfall	148 mm	157 mm
Rainy days	13	12
Humidity	79%	72%
Air quality (AQI)	140	112

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Chengdu vs Xi'an in September — FAQ

Is September better in Chengdu or Xi'an?: Xi'an is the better pick in September — 74 vs 61 on SeasonMap's comfort score. Xi'an is warm, soaked, poor air quality, while Chengdu is hot, rainy, poor air quality.
What is the weather like in Chengdu vs Xi'an in September?: In September, Chengdu averages 27°C high / 20°C low with about 148 mm of rain; Xi'an averages 26°C high / 18°C low with about 157 mm.