Weather in Beijing, China in September

In September, Beijing experiences the transition from the hot summer months to the cooler autumn season. The weather is generally pleasant with moderate temperatures and relatively low humidity. Here’s a detailed look at what you can expect in Beijing during September:

Temperature: Average temperatures in September range from 15°C to 26°C (59°F to 79°F). Early September can still be quite warm, with temperatures occasionally reaching into the low 30s°C (mid-80s°F), but by the end of the month, the temperatures tend to drop, providing cooler and more comfortable conditions.

Precipitation: Rainfall in September is relatively moderate. The city averages about 30-40 mm (1.2-1.6 inches) of rain during the month, and rain showers are generally sporadic. Most of the rain falls in the early part of the month, with drier conditions towards the end of September.

Humidity: Humidity levels in September decrease compared to the summer months. The relative humidity is typically around 60-70%, which makes the weather feel more comfortable.

Sunshine: September enjoys a good amount of sunshine with an average of 7-8 hours of sunshine per day. The days are generally clear or partly cloudy, providing excellent weather for outdoor activities and sightseeing.

Air Quality: Air quality in Beijing can vary, but September often sees an improvement compared to the summer months. However, it’s still a good idea to check the air quality index before planning outdoor activities, as pollution levels can fluctuate.

Clothing Recommendations: Light to medium-weight clothing is recommended. Mornings and evenings can be cooler, so bringing a light jacket or sweater is advisable. Daytime temperatures are usually warm enough for short sleeves and comfortable clothing.

Travel Tips: September is a popular time for tourists in Beijing due to the favorable weather. It’s advisable to book accommodations and plan your itinerary in advance. The cooler temperatures make it a great time to explore the city’s outdoor attractions, such as the Great Wall, the Forbidden City, and the Summer Palace.

Overall, September is a fantastic time to visit Beijing, offering a pleasant mix of warm days and cool nights, with manageable humidity and relatively clear skies. Whether you’re exploring historic sites or enjoying the city’s parks and gardens, the weather in September enhances the experience.

Weather Summary Table:

Parameter	Value
Average High	26°C (79°F)
Average Low	15°C (59°F)
Average Rainfall	30-40 mm (1.2-1.6 in)
Average Sunshine	7-8 hours/day
Relative Humidity	60-70%