Beijing Weather in September – Temperature, Rainfall, and Clothing

beijing weather in september

In September, Beijing experiences a transitional phase from summer to autumn, showcasing noticeable changes in weather patterns. During this month, the city witnesses milder temperatures compared to the scorching heat of midsummer.


Daytime temperatures typically range from 20 to 28 degrees Celsius (68 to 82 degrees Fahrenheit). The early part of the month may still have some warm days reminiscent of summer, but as September progresses, temperatures gradually decrease.


Humidity levels are relatively lower compared to the summer months, contributing to more comfortable conditions. However, Beijing is generally dry, so humidity is not as prominent a factor as in some other regions.


September marks the beginning of the autumn rainfall season in Beijing. While the overall precipitation is not extremely high, occasional showers and light rain can be expected. It’s advisable to carry an umbrella or raincoat, especially later in the month.


Beijing still enjoys a fair amount of sunshine in September, with clear skies and comfortable visibility. The days gradually become shorter as autumn progresses, but daylight hours are still relatively long.


Beijing experiences light to moderate winds during September. While not a dominant weather factor, winds can have a cooling effect, especially in the evenings.


It is advisable to bring a mix of clothing suitable for both warm and cooler days. Light jackets or sweaters may be necessary, especially in the evenings when temperatures can drop. It’s also wise to have some rain gear on hand.

Tourism and Activities:

September is an excellent time to visit Beijing for outdoor activities and sightseeing. The more comfortable temperatures make exploring historical sites, such as the Forbidden City and the Great Wall, more enjoyable. Additionally, parks in the city, like the Summer Palace, offer picturesque views as the autumn foliage begins to appear.

Air Quality:

Beijing’s air quality tends to be better in September compared to the winter months. However, it’s always a good idea to check real-time air quality updates, as the city can still experience fluctuations due to various factors.

In summary, September in Beijing is characterized by mild temperatures, lower humidity, and the beginning of autumn foliage. Visitors can expect a mix of sunny days and occasional rain showers, making it an ideal time to explore the city and its attractions without the intensity of summer heat.

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