September Weather in Xinjian, China

Last updated: August 21, 2025

In September, Xinjian, China, experiences a dynamic climate characterized by a maximum temperature peaking at a sweltering 37°C (99°F), while the average hovers around a comfortable 26°C (79°F), and the nights cool down to a minimum of 16°C (62°F). This month brings about 94 mm (3.7 in) of rainfall over approximately 12 days, contributing to an overall humidity of 72% that adds a tropical touch to the atmosphere. Whether you're exploring the vibrant landscapes or enjoying local culture, September in Xinjian offers a warm and occasionally rainy backdrop for unforgettable experiences.

September Temperature in Xinjian

In September, Xinjian, China experiences a notable shift as summer gives way to autumn. The temperatures present a comfortable range, with minimums around 16°C (62°F) and averages climbing to 26°C (79°F), peaking at a hot 37°C (99°F). This month marks a slight decline from the sweltering heights of August, particularly in max temperatures, yet still offers plenty of warm days. As the month progresses, the transition towards cooler days becomes evident, setting the stage for the brisk embrace of October. This refreshing change invites residents and visitors alike to enjoy the region's natural beauty before winter settles in.

September Weather in Xinjian: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Xinjian, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Xinjian, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec454756647377848579685847
Data source: Temperature data for Xinjian generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Xinjian

In September, Xinjian, China experiences a noticeable decrease in precipitation, with 94 mm (3.7 in) of rain falling over 12 days. This marks a significant drop from the summer months, particularly June, which showcases the peak of the rainy season with a staggering 446 mm (17.6 in). As the region transitions into autumn, the rainfall begins to taper off, suggesting a shift towards drier conditions. This trend continues into October, where only 42 mm (1.7 in) is recorded, signaling the impending change in climate as the year progresses. Overall, September illustrates a crucial transitional phase, balancing the remnants of summer rainfall while hinting at the drier months ahead.

September Precipitation Trends in Xinjian

The chart displays monthly precipitation patterns in Xinjian, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Xinjian, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec779522620327344633113994428164
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Xinjian

As September rolls into Xinjian, China, the humidity begins a noticeable decline after a peak in the summer months. At 72%, September's humidity marks a difference from the preceding months, settling closer to late spring averages than the sweltering levels experienced in July, which reached 91%. This drop indicates a gradual transition towards drier autumn conditions, as the region's humidity levels gently continue to ease into October's 74%. Overall, this seasonal shift helps create a more comfortable atmosphere for residents and visitors alike, allowing them to enjoy the beauty of Xinjian in early autumn.

September Average Humidity in Xinjian

This chart illustrates the average monthly humidity levels in Xinjian, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Xinjian is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%71%81%86%87%87%91%87%72%74%80%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Xinjian

As September rolls into Xinjian, China, the UV Index remains notably high at 11, placing it in the extreme exposure category. With a burn time of just 10 minutes, it's vital for residents and visitors alike to take precautions against harmful sun exposure. This month continues the trend of elevated UV levels experienced throughout the summer, where indices reached a peak of 12 from May to August. Following a slight decrease in October, with a UV Index dropping to 9, September serves as a reminder of the essential sun safety practices to adopt, ensuring everyone enjoys the beautiful early autumn weather responsibly. For more detailed information, visit Xinjian UV Index.

Maximum UV Index Levels in Xinjian for September

The chart shows the monthly maximum UV Index (UVI) for Xinjian in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Xinjian typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec679101212121211975
Data source: Xinjian September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Xinjian

In September, Xinjian, China, basks in a delightful 266 hours of sunshine, marking a gentle decline from the sun-soaked heights of the summer months. August leads the charge with a remarkable 314 hours, reflecting the peak of summer's warmth and brightness. As the seasons transition, September still retains a generous amount of sunlight, offering a vibrant tapestry of golden hues in the landscape, while hinting at the cooler, more temperate days ahead. This trend of decreasing daylight continues into October, which records 238 hours, showcasing a gradual shift as autumn sets in. Overall, the sunshine hours highlight the region’s dynamic seasonal changes, inviting both reflection and adventure in its warm embrace.

Monthly Sunshine Duration in Xinjian: September Highlighted

The September sunshine duration represents the total number of hours Xinjian experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec158h199h214h243h284h239h299h314h266h238h221h222h
Data source: Xinjian September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Xinjian During September

As September rolls around in Xinjiang, the likelihood of sunny weather rises notably, boasting a 58% chance of sun—equally matching January's clear skies. This shift signals the end of the summer haze, transitioning into a month where residents and visitors can expect more favorable weather conditions. While July and June saw their sun chances dip to 19% and 16%, respectively, September's revival of sunlight seems to herald a more cheerful atmosphere as the region embraces the autumn season. This trend of increased sunshine not only invites outdoor activities but also showcases the beauty of Xinjiang's landscapes bathed in golden light.

Percentage of Sunny Days in September in Xinjian

The chart illustrates the percentage of sunny days in Xinjian throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Xinjian experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec58%36%24%21%21%16%19%31%58%38%47%55%
Data source: Xinjian September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Xinjian in September

As the summer months fade away, September in Xinjian, China, marks a gradual transition in daylight duration. This month offers about 12 hours of daylight, a slight decrease from the previous summer months that basked in a continuous 13 hours. Following the vibrant days of July and August, September signals the onset of autumn, where daylight starts to gently recede, leading into the shorter days of October and November. This trend reflects the gradual shift from intense summer sunlight to the quieter, softer light of the cooler months, creating an inviting atmosphere for seasonal changes and the beauty of nature's transformation.

Average Daylight Hours in Xinjian for September

The chart illustrates the variation in daylight duration in Xinjian throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 29m11h 8m11h 59m12h 51m13h 35m13h 57m13h 46m13h 8m12h 18m11h 26m10h 41m10h 18m
Data source: Xinjian daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Xinjian

In September, the winds in Xinjian, China whisper softly at an average speed of 1.7 m/s (4 mph), maintaining the gentle trend of late summer. This slight consistency follows a season of variability, peaking in July with a brisk 2.2 m/s (5 mph), before trailing off as autumn approaches. As temperatures begin to cool, the wind refreshingly lingers at this moderate pace, mirroring a gradual transition into the heart of fall. Overall, September’s breezes encapsulate the calm that often prevails as nature prepares for the changing season, hinting at the brisker winds that will arrive in October.

Average September Wind Speed in Xinjian

The chart displays monthly wind speed patterns in Xinjian, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.92.12.02.11.71.62.21.71.7 m/s2.51.91.9
Data source: Xinjian September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Xinjian Compares to Other Months

Weather in Xinjian varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Xinjian, focusing on differences in temperature, rainfall, humidity, and UV levels.

September and January present stark contrasts in weather. September typically boasts warmer temperatures, with a minimum of 16°C (62°F) and an average of 26°C (79°F), peaking at a scorching 37°C (99°F). This month also experiences higher humidity at 72%, alongside significant rainfall of 94 mm (3.7 in) over 12 days. In contrast, January is much chillier, featuring a minimum temperature of -5°C (23°F) and an average of just 7°C (45°F), with highs reaching only 23°C (74°F). The precipitation during January is slightly lower at 77 mm (3.0 in) over 9 days, accompanied by a more comfortable humidity level of 65%. For more details about the weather during this month, you can check Xinjian weather in January.

September and February present contrasting weather patterns. In September, temperatures range from a mild 16°C (62°F) at night to a scorching 37°C (99°F) during the day, with an average of 26°C (79°F). The month experiences 94 mm (3.7 in) of precipitation over approximately 12 days, accompanied by a relative humidity of 72%. In stark contrast, February is notably cooler, with temperatures dipping to a minimum of -3°C (26°F) and peaking at 25°C (78°F), averaging around 8°C (47°F). This month also sees similar precipitation levels, totaling 95 mm (3.7 in) over 13 days, while the humidity remains slightly lower at 71%. For more details, you can check Xinjian weather in February.

In comparing the weather between September and March, it’s clear that both months present distinct climatic characteristics. September boasts warmer temperatures, with a minimum of 16°C (62°F) and an average high of 26°C (79°F), while March experiences significantly cooler conditions, with a minimum of only 3°C (37°F) and an average high of 14°C (57°F).

Precipitation levels also differ markedly; September receives 94 mm (3.7 in) over 12 days, whereas March sees a much higher total of 226 mm (8.9 in) across 17 days. Additionally, humidity is slightly higher in March at 81% compared to September's 72%. For more detailed information about March weather, you can refer to Xinjian weather in March.

When comparing the weather in September and April, distinct contrasts emerge. September typically experiences warmer conditions, with average temperatures around 26°C (79°F) and maximum highs reaching up to 37°C (99°F). In contrast, April's temperatures range from a minimum of 4°C (40°F) to an average of 18°C (65°F), showcasing a cooler climate overall. Additionally, September has a lower precipitation level of 94 mm (3.7 in) across 12 days, whereas April sees significantly more rainfall, totaling 203 mm (8.0 in) over 15 days. Humidity levels are also higher in April at 86%, compared to 72% in September. For more detailed information, check Xinjian weather in April.

In comparing the weather of September and May, September tends to be warmer on average, with daytime temperatures ranging from a minimum of 16°C (62°F) to a maximum of 37°C (99°F). In contrast, May showcases cooler temperatures, with an average ranging from 10°C (51°F) to 36°C (97°F). However, May is significantly wetter, with 273 mm (10.7 in) of precipitation over 17 days, compared to September's 94 mm (3.7 in) over 12 days. Additionally, humidity levels peak in May at 87%, compared to 72% in September. For more detailed insights, you can check Xinjian weather in May.

In comparing the weather conditions of September and June, September generally offers warmer average temperatures, with a minimum of 16°C (62°F) and a maximum of 37°C (99°F), compared to June's range of 17°C (63°F) to 36°C (97°F). While both months are warm, September tends to be drier, with 94 mm (3.7 in) of precipitation over 12 days, whereas June experiences significantly heavier rainfall of 446 mm (17.6 in) across 21 days. Additionally, humidity levels are higher in June at 87%, compared to September’s 72%, leading to a more humid atmosphere in June. For a more detailed look at June weather, you can check Xinjian weather in June.

In comparing the weather of September and July, we can observe a notable shift in both temperature and precipitation. September generally experiences milder temperatures with minimums around 16°C (62°F), an average of 26°C (79°F), and maximums reaching up to 37°C (99°F). In contrast, July is warmer, with minimum temperatures at 20°C (69°F), an average of 29°C (84°F), and maximum temperatures peaking at 38°C (101°F). Additionally, September has less rainfall, accumulating 94 mm (3.7 in) over 12 days, compared to the considerably wetter July, which sees 331 mm (13.0 in) of precipitation over 19 days and higher humidity levels at 91%. For more details on July weather, you can refer to Xinjian weather in July.

In September, temperatures are generally more moderate compared to August, with a minimum of 16°C (62°F), an average of 26°C (79°F), and a maximum of 37°C (99°F). This marks a noticeable decrease from August, which experiences a higher minimum of 21°C (71°F), an average of 29°C (85°F), and peaks at 40°C (104°F). Additionally, September sees less precipitation with 94 mm (3.7 in) over 12 days, compared to August's 138 mm (5.5 in) across 15 days. Humidity also declines slightly, averaging 72% in September versus August's higher 87%. For more detailed information, you can check Xinjian weather in August.

September and October exhibit notable differences in weather patterns. September is characterized by warmer temperatures, with average highs reaching up to 37°C (99°F) and a higher average of 26°C (79°F). The month experiences significant precipitation, totaling 94 mm (3.7 in) over 12 days, accompanied by a humidity level of 72%. In contrast, October brings cooler conditions, with average temperatures dipping to 20°C (68°F), and a maximum of 36°C (97°F). Precipitation decreases significantly to 42 mm (1.7 in) across only 6 days, while humidity rises slightly to 74%. For more detailed information on October weather, you can check Xinjian weather in October.

September and November exhibit striking contrasts in weather. In September, temperatures range from a minimum of 16°C (62°F) to a scorching maximum of 37°C (99°F), with an average of 26°C (79°F). This month also sees significant humidity at 72% and experiences around 94 mm (3.7 in) of precipitation over 12 days. In contrast, November brings much cooler temperatures, with a minimum of 2°C (36°F) and a maximum of 29°C (84°F), averaging just 15°C (58°F). Although November has slightly less rainfall at 81 mm (3.2 in), it experiences humidity levels rising to 80% over 10 days. For a detailed look at November's specific weather conditions, you can check Xinjian weather in November.

In September, the weather is characterized by warm temperatures, with a minimum of 16°C (62°F) and an average of 26°C (79°F), reaching a maximum of 37°C (99°F). This month also experiences considerable rainfall, totaling 94 mm (3.7 in) over 12 days, and humidity levels are at 72%. In contrast, December brings much cooler temperatures, with minimums plummeting to -3°C (28°F) and an average of only 9°C (48°F). The maximum temperature in December reaches 23°C (74°F), and precipitation is significantly lower at 64 mm (2.5 in) over 9 days, accompanied by a slight increase in humidity to 78%. For more details on what to expect, you can check out Xinjian weather in December.

Compare Xinjian's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Xinjian

In September, Xinjian experiences a noticeable transition from the hot summer months, with average temperatures settling around a comfortable 26°C. This month showcases a blend of warm highs reaching up to 37°C, while refreshing lows dip to around 16°C. The increased humidity at 72% paired with 94 mm of rainfall over 12 days signifies September's unique character, as it typically brings a mix of sunny days interspersed with refreshing showers. Though not the rainiest month, it stands out with its warm yet variable conditions that prepare the region for the cooler autumn ahead. For more insights, explore Xinjian Climate.