September weather forecastXining, China
September
Weather in September
September inaugurates the onset of autumn in Xining with a conspicuous drop in temperature and dwindling rainfall. Marking this transition, the average high temperature plunges to 19°C (66.2°F) from last month's 23.9°C (75°F). The lush greenery of the city begins to yield to the colors of autumn as rainfall retreats considerably. Daylight hours continue to diminish alongside a declining UV index, mirroring the wane of summer's energy. The gradual descent in relative humidity accompanies the oncoming dry and cooler season.Temperature
As August transitions into September, Xining sees a gentle drop in the average high-temperature, transitioning from a moderately hot 23.9°C (75°F) to an enjoyable 19°C (66.2°F). In September, Xining encounters an average low-temperature of 7.5°C (45.5°F) during the night.Humidity
With an average relative humidity of 68%, September is the most humid month.Rainfall
In Xining, in September, during 13.1 rainfall days, 54mm (2.13") of precipitation is typically accumulated. Throughout the year, in Xining, there are 96.9 rainfall days, and 374mm (14.72") of precipitation is accumulated.Daylight
In Xining, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 06:44 and sunset at 19:41. On the last day of September, in Xining, sunrise is at 07:07 and sunset at 18:58 CST.
Sunshine
In September, the average sunshine in Xining is 6.6h.UV index
In September, the average daily maximum UV index is 9. A UV Index reading of 8 to 10 represents a very high health vulnerability from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 9 in September leads to these recommendations:
Being unprotected puts skin and eyes at risk of rapid damage. Always be safe. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Xining, China
- Average high temperature in September: 19°C
The warmest month (with the highest average high temperature) is July (24.6°C).
The month with the lowest average high temperature is January (1.4°C).
- Average low temperature in September: 7.5°C
The month with the highest average low temperature is July (11.5°C).
The coldest month (with the lowest average low temperature) is January (-13.6°C).
Average humidity in September
Xining, China
- Average humidity in September: 68%
The month with the highest relative humidity is September (68%).
The month with the lowest relative humidity is February (44%).
Average rainfall in September
Xining, China
- Average rainfall in September: 54.4mm
The wettest month (with the highest rainfall) is July (88.2mm).
The driest months (with the least rainfall) are January and December (1.2mm).
Average rainfall days in September
Xining, China
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is December (2.2 days).
Average daylight in September /
Average sunshine in September
Xining, China
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 6h and 36min
The month with the most sunshine is May (Average sunshine: 8h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average UV index in September
Xining, China
- Average UV index in September: 9
The months with the highest UV index are June and July (UV index 12).
The months with the lowest UV index are January and December (UV index 2).
