Lanzhou Weather in September

The climate in Lanzhou during September can be summarized as mild and reasonably dry.

September is in the fall / autumn in Lanzhou and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 21°C (69°F), whilst at night 10°C (50°F) is normal.

On average September is the 3rd wettest month of the year in Lanzhou with around 52mm 2.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.7 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Lanzhou in September 2024.