September weather forecastUrumqi, China
September
Weather in September
September marks the beginning of autumn in Urumqi, with a noticeable change in weather. The city starts to cool down after the summer heat, offering residents and visitors a beautiful blend of comfortable temperatures and colorful fall foliage. As leaves transition from summer green to autumn hues of orange, red, and gold, Urumqi's parks turn into points of attraction for photographers and nature enthusiasts. The gradual reduction in temperature invites more opportunities for outdoor recreation, away from the summer's relentless heat. The gradual dip in temperature is evident with averages falling between 11.2°C (52.2°F) and 23.1°C (73.6°F) by the end of the month.Temperature
September in Urumqi indicates a shift in the average high-temperature, from August's 29°C (84.2°F) to a still warm 23.1°C (73.6°F). During September, the nighttime temperature in Urumqi averages of 11.2°C (52.2°F).Humidity
The average relative humidity in September in Urumqi is 44%.Rainfall
In September, in Urumqi, the rain falls for 5 days. Throughout September, 26mm (1.02") of precipitation is accumulated. Throughout the year, in Urumqi, China, there are 86.9 rainfall days, and 286mm (11.26") of precipitation is accumulated.Daylight
In Urumqi, China, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 07:33 and sunset at 20:45. On the last day of September, sunrise is at 08:06 and sunset at 19:52 CST.
Sunshine
In Urumqi, the average sunshine in September is 8.8h.UV index
In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 6 translates into these guidelines:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Urumqi, China
- Average high temperature in September: 23.1°C
The warmest month (with the highest average high temperature) is July (30.1°C).
The month with the lowest average high temperature is January (-7.4°C).
- Average low temperature in September: 11.2°C
The month with the highest average low temperature is July (18.2°C).
The coldest month (with the lowest average low temperature) is January (-16.6°C).
Average humidity in September
Urumqi, China
- Average humidity in September: 44%
The months with the highest relative humidity are January and December (78%).
The month with the lowest relative humidity is August (41%).
Average rainfall in September
Urumqi, China
- Average rainfall in September: 26.2mm
The wettest month (with the highest rainfall) is May (38.9mm).
The driest month (with the least rainfall) is February (10mm).
Average rainfall days in September
Urumqi, China
- Average rainfall days in September: 5 days
The month with the highest number of rainy days is December (9.6 days).
The month with the least rainy days is September (5 days).
Average daylight in September /
Average sunshine in September
Urumqi, China
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 42min).
Average UV index in September
Urumqi, China
- Average UV index in September: 6
The months with the highest UV index are June and July (UV index 9).
The months with the lowest UV index are January and December (UV index 1).








