Beijing is typically warm in September.

Maximum temperatures go down compared to the previous month from +88°F to +81°F. The minimum temperature also goes down from +72°F to +61°F.

It’s generally warm, but pack a long-sleeve shirt for evenings.

Take a look at how September is compared to other months in Beijing:

September weather is still as good as in August. It’s getting colder in September. From +88°F in the day, the average maximum temperature lowers to +81°F. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 141 mm to 56 mm. It feels drier, as humidity decreases from 73% to 65%. The average wind speed doesn’t change much during September, staying around 1 m/s. The good news is there are likely to be more sunny days in September, from 5 to 9.

October brings much the same weather, it remains good.

The climate in Beijing in September has not changed that much over the last 43 years.

The average temperature was the lowest in 1985 (+62°F) and the highest in 2019 (+71°F). The driest year was 1997 with only 345 mm of rainfall, and the wettest year was 1979 with 820 mm.

For this page, we’ve looked at the typical weather in Beijing, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.