Lanzhou Weather in September

China · September climate averages and travel tips

Avg high25°C (77°F)
Avg low12°C (54°F)
Rainfall66 mm (2.6 in)
RatingExcellent 8.4/10

Expect warm days in Lanzhou in September: the average high is 25°C (77°F) and the average low is 12°C (54°F). September is autumn (fall) in China. The month is moderately rainy, with about 66 mm (2.6 in) of rain spread over 15 days, making it the third wettest month of the year. You get roughly 12.2 hours of daylight and frequently cloudy skies.

Is September a good time to visit Lanzhou?

September is a good time to visit Lanzhou (8.4/10), though April to May and October are even better.

Visiting Lanzhou in September

September weather

September feels milder than August in Lanzhou. Afternoons reach about 25°C, while evenings cool to around 12°C. Rain falls on many days, and clouds can soften the sunshine, so keep outdoor plans flexible.

You can walk along the Yellow River and cross Zhongshan Bridge between showers. The cooler air also suits a visit to the Gansu Provincial Museum. Skip long, exposed hikes on rainy days; wet paths and low cloud can make them less enjoyable.

Festivals and city days

The Mid-Autumn Festival sometimes falls in September. It's a major Chinese holiday, and families gather to share mooncakes. Its date changes each year, so the festival may instead land in October.

If it falls during your visit, expect more people travelling and busy spots around the holiday. Lanzhou's night markets are a good place to try local food, including beef noodles, though popular stalls can feel crowded.

Crowds and practical tips

September is usually calmer than the summer holiday peak, and it's not as popular as the best spring months or October. Prices may be easier than in peak periods, but they can rise around Mid-Autumn and the lead-up to China's National Day holiday.

If you hate crowds, choose ordinary weekdays for Zhongshan Bridge and the riverside paths. For rainy stretches, make the Gansu Provincial Museum your main outing, then head out when the clouds lift. A bowl of Lanzhou beef noodles is especially welcome on a cool, damp evening.

September weather at a glance

Average high25°C (77°F)
Average low12°C (54°F)
Daily mean18°C (65°F)
Rainfall66 mm (2.6 in)
Rainy days (1 mm+)15
Humidity67%
Cloud cover67%
Daylight12.2 hours
Est. sunshine4.4 hours/day
Wind7 km/h
vs August5°C cooler than August, with 20 mm less rain.

What to pack for Lanzhou in September

Lanzhou weather in other months

Jan4°C / -7°C4 mmFairFeb8°C / -4°C7 mmFairMar14°C / 1°C13 mmExcellentApr20°C / 5°C29 mmExcellentMay25°C / 10°C50 mmExcellentJun29°C / 15°C65 mmExcellentJul31°C / 17°C84 mmFairAug30°C / 17°C86 mmGoodSep25°C / 12°C66 mmExcellentOct19°C / 6°C35 mmExcellentNov12°C / 0°C8 mmGoodDec6°C / -6°C2 mmFair

← AugustBest time to visit LanzhouOctober →

Better weather in September nearby

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