Beijing
China
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Beijing, China

Beautiful orange evening sky above the ancient Royal Palace buildings in Beijing, China
Beautiful orange evening sky above the ancient Royal Palace buildings in Beijing, China
Autumn in Beijing is a pleasant season with warm and favorable temperatures ranging between 14°C (57.2°F) on the coldest days and 26°C (78.8°F) on the warmest days.
Expect crowds to fill up the city for a share of the lovely weather. As autumn is short, temperatures may fluctuate a little but remain within the pleasant bracket. It gets better with the substantial decrease in rainfall that falls only for seven days on average all month to collect 48.3mm (1.9") in the rain gauge.
The sun in September is up most of the day, averaging ten hours, making it even warmer and appealing for all outdoor engagements. The month gets a little windier, with the wind speed going up to an average of 12.6km/h (7.8mph), reducing the humidity to 36%.

What is the temperature in September in Beijing?

In September, in Beijing, the average high-temperature is 25.8°C (78.4°F), and the average low-temperature is 14.8°C (58.6°F).

What is the average humidity in September in Beijing?

In September, the average relative humidity is 68%.

How much does it rain in Beijing in September?

In September, the rain falls for 7.6 days. Throughout September, 45.5mm (1.8") of precipitation is accumulated.

How many hours of daylight does Beijing have in September?

In September, the average length of the day in Beijing is 12.5h.

How long on average sun shines in September in Beijing?

In Beijing, the average sunshine in September is 7.7h.

What is the UV index reading in September in Beijing?

The average daily maximum UV index in September in Beijing, China, is 6. A UV Index estimate of 6 to 7 represents a high health threat from the exposure to the Sun's UV radiation.
Average temperature in September - Beijing, China
  • Average high temperature in September: 25.8°C

The warmest month (with the highest average high temperature) is July (30.9°C).
The month with the lowest average high temperature is January (1.8°C).

  • Average low temperature in September: 14.8°C

The month with the highest average low temperature is July (22°C).
The coldest month (with the lowest average low temperature) is January (-8.4°C).

Average humidity in September - Beijing, China
  • Average humidity in September: 68%

The month with the highest relative humidity is August (77%).
Months with the lowest relative humidity are January and February (44%).

Average rainfall in September - Beijing, China
  • Average rainfall in September: 45.5mm

The wettest month (with the highest rainfall) is July (185.2mm).
The driest month (with the lowest rainfall) is January (2.7mm).

Average rainfall days in September - Beijing, China
  • Average rainfall days in September: 7.6 days

The month with the highest number of rainy days is July (13.6 days).
The month with the lowest number of rainy days is December (1.7 days).

Average daylight in September / Average sunshine in September - Beijing, China
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9.4h).

  • Average sunshine in September: 7.7h

The month with most sunshine is May (Average sunshine: 9.1h).
The month with least sunshine is December (Average sunshine: 5.8h).

Average UV index in September - Beijing, China
  • Average UV index in September: 6

Months with the highest UV index are June and July (UV index 9).
The month with the lowest UV index is December (UV index 1).