September weather forecastBeijing, China
September
Weather in September
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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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%).
The 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 least 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 least rainy days is December (1.7 days).
Average daylight in September /
Average sunshine in September
Beijing, China
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 7h and 42min
The month with the most sunshine is May (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average UV index in September
Beijing, China
- Average UV index in September: 6
The 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).
