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Early autumn · Weather & things to do

Xi'an in September

The year's rain peaks now, with about 4.9 in (125 mm) falling in Xi'an, alongside highs near 81°F (27°C) and lows of 62°F (17°C).

It scores 75/100 for comfort, 5th of 12, which makes it a solid shoulder-season month.

Xi'an, China
Avg high
81°F (27°C)
Avg low
62°F (17°C)
Rain
4.9 in (125 mm)
Humidity
69%
Cloud cover
71%
Daylight
~12 h 12 min
Comfort score
75/100 · Great

What September feels like

Highs settle around 81°F (27°C), warm enough for short sleeves.

Lows average 62°F (17°C).

Rain is a real factor, with about 4.9 in (125 mm) across the month.

Xi'an: September compared with the months either side
AugustSeptemberOctober
Avg high92°F33°C81°F27°C70°F21°C
Avg low71°F22°C62°F17°C51°F10°C
Rain4.5 in114 mm4.9 in125 mm2.4 in60 mm
Daylight13 h 17 min12 h 12 min11 h 07 min
Comfort547586

Plan around September

September is shoulder season: good weather, a step below the best months (March & April and October).

What to pack for September

What to do in Xi'an in September

With 4.9 in of rain, these picks lean toward food, drink and places with a roof, with outdoor options when the weather breaks.

NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~593 m to Xi'an's ~385 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.

Xi'an in September: quick answers

Is September a good time to visit Xi'an?

It's a good shoulder-season choice, scoring 75/100 against a best of 88 in March & April and October. Expect highs of 81°F (27°C) and 4.9 in (125 mm) of rain. September is inside the Apr – May, Sep – Oct window our Beijing, Xi'an & Shanghai route recommends.

How hot is Xi'an in September?

Average highs are 81°F (27°C) and average lows 62°F (17°C), making it the 5th-warmest month by daytime highs.

Does it rain a lot in Xi'an in September?

Yes: about 4.9 in (125 mm) of rain falls across September on average, the wettest month of the year. The annual total is about 27.3 in (694 mm).

What should I pack for Xi'an in September?

Bring light, breathable clothes (highs average 81°F), rain jacket and waterproof shoes (frequent rain) and comfortable walking shoes (most places below are best reached on foot or with short walks).

Routes in season in September

Planning Xi'an in September?

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