Lanzhou Weather in September
China · September climate averages and travel tips
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 high | 25°C (77°F) |
|---|---|
| Average low | 12°C (54°F) |
| Daily mean | 18°C (65°F) |
| Rainfall | 66 mm (2.6 in) |
| Rainy days (1 mm+) | 15 |
| Humidity | 67% |
| Cloud cover | 67% |
| Daylight | 12.2 hours |
| Est. sunshine | 4.4 hours/day |
| Wind | 7 km/h |
| vs August | 5°C cooler than August, with 20 mm less rain. |
What to pack for Lanzhou in September
- T-shirts plus a light layer for the evening
- an umbrella or rain jacket
Lanzhou weather in other months
← AugustBest time to visit LanzhouOctober →
Better weather in September nearby
- Istanbul26°C · 51 mm · Excellent
- Tianjin28°C · 59 mm · Excellent
- Shenyang25°C · 58 mm · Excellent
- Wuzhong26°C · 39 mm · Excellent
- Zibo28°C · 58 mm · Excellent
- UEruemqi25°C · 21 mm · Excellent
Nearby in September
- Xining21°C · 89 mm
- Zhongwei26°C · 38 mm
- Wuwei24°C · 51 mm
- Tianshui25°C · 90 mm
- Wuzhong26°C · 39 mm
- Yinchuan26°C · 38 mm
Where else is good in September? See where to go in September.