September weather forecast
Beijing, China

September brings relief from the intense summer heat as temperatures begin to cool off, with a maximum of 25.8°C (78.4°F). The amount of precipitation sharply drops to 46mm (1.81"), indicating the end of the heavy rain months. Milder temperatures and drier conditions make outdoor activities more enjoyable. The city gradually slips into a calmer rhythm. Amidst cooler evenings, the city wraps in a vibrant autumn shawl.

Temperature

The onset of September entails a subtle temperature shift, as the average high-temperature eases from 29.7°C (85.5°F) in August to a still moderately hot 25.8°C (78.4°F). In September, Beijing experiences an average nighttime temperature of 14.8°C (58.6°F).

Humidity

In September, the average relative humidity in Beijing, China, is 68%.

Rainfall

In September, the rain falls for 7.6 days. Throughout September, 46mm (1.81") of precipitation is accumulated. In Beijing, during the entire year, the rain falls for 70.6 days and collects up to 572mm (22.52") of precipitation.

Daylight

In September, the average length of the day is 12h and 28min.
On the first day of the month, sunrise is at 05:42 and sunset at 18:46. On the last day of September, sunrise is at 06:09 and sunset at 17:58 CST.

Sunshine

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

UV index

In Beijing, China, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: In September, a regular UV index of 6 translates into these guidelines:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.