September Weather in Xinjian, China

Last updated: August 21, 2025

September in Xinjian, China brings a dynamic blend of warmth and humidity, with maximum temperatures soaring up to 35°C (96°F) and an average of 25°C (77°F). Evenings can be pleasantly cool, dipping to a minimum of 17°C (62°F). This month also sees moderate rainfall, with a total precipitation of 109 mm (4.3 in) spread across 13 days, contributing to the region's 75% humidity. Whether experiencing the vibrant days under the sun or the refreshing cooler nights, September offers a unique climate for residents and visitors alike.

September Temperature in Xinjian

In September, Xinjian, China, experiences a pleasant transition from the summer heat to the cooler autumn months. With a minimum temperature of 17°C (62°F) and an average of 25°C (77°F), the weather remains warm yet comfortable, ideal for outdoor activities. The maximum temperature peaks at 35°C (96°F), suggesting that the remnants of summer linger, but the significant drop from the sweltering highs of July and August marks a clear cooling trend. As the month progresses, the inviting temperatures create a perfect backdrop for the vibrant hues of autumn, making it a particularly captivating time to visit this remarkable region.

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).
JanFebMarAprMayJunJulAugSepOctNovDec414354637278848477665644
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

September in Xinjian, China, marks a significant shift in precipitation patterns as the summer months fade away. With an average rainfall of 109 mm (4.3 in) over 13 days, this month experiences a noticeable decrease compared to the peak summer rates seen in July. While it's less than the 277 mm (10.9 in) from July and 162 mm (6.4 in) from August, September still maintains a robust level of rain, contributing to the region's lush late-summer landscape. This transitional period hints at the retreat of the monsoon season, paving the way for the drier months ahead, such as October, which sees a marked drop in both precipitation and rain days. Overall, September serves as a pivotal month, striking a balance between the heavy summer downpours and the forthcoming autumn dryness.

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.
JanFebMarAprMayJunJulAugSepOctNovDec71739381136196277162109614851
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Xinjian

In September, Xinjian, China, experiences a noticeable decline in humidity, dropping to 75% after the peak summer months. Leading up to September, humidity levels soared to a high of 90% in July, gradually tapering off through August's 88%. This decrease marks a transition into autumn, where the air becomes crisper and more comfortable. Notably, September's levels are a significant shift from the humid heights earlier in the season, but they remain higher than many winter months, such as October at 76%. This trend suggests a gradual return to a more temperate climate as the year progresses toward the cooler months, offering a refreshing break from summer's intensity.

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.
JanFebMarAprMayJunJulAugSepOctNovDec70%73%82%86%85%85%90%88%75%76%84%77%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Xinjian

In September, Xinjian, China experiences a UV Index of 10, categorizing it as a very high exposure month, similar to the previous months of June, July, and August. The consistent UV levels suggest that the sun remains strong as summer transitions to fall, allowing only about 15 minutes of safe sun exposure before risking skin damage. This trend indicates that residents and visitors should remain vigilant about sun protection, using sunscreen and protective clothing to mitigate the risk associated with such high UV levels. As we move toward October, while a slight decline in the index to 8 is anticipated, the importance of sun safety remains paramount. For more insights on UV exposure in this region, visit the detailed 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.
JanFebMarAprMayJunJulAugSepOctNovDec568101011111010864
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

Nestled in the heart of Xinjiang, September basks in an impressive 258 hours of sunshine, marking a subtle yet noticeable shift as summer gracefully transitions into autumn. This month, while slightly less radiant than the sun-drenched days of August, still holds onto a generous amount of sunlight, contributing to a vibrant tapestry of changing colors across the landscape. As the year progresses, from January’s modest 158 hours to May’s peak at 281 hours, one can observe a clear upward trend in daylight, reaching its zenith in late summer before gently tapering off in the fall. September captures this balance perfectly, presenting a harmonious blend of warmth and the early whispers of cooler days ahead, inviting residents and visitors alike to indulge in the stunning scenery that Xinjiang has to offer.

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.
JanFebMarAprMayJunJulAugSepOctNovDec158h207h233h251h281h273h280h299h258h234h222h215h
Data source: Xinjian September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Xinjian During September

In Xinjian, China, the likelihood of sunny weather in September shows a notable increase, with a 49% chance of sunshine. As summer fades, the weather transitions away from the greyer days of July, which reports only a 21% chance of sun, and begins to approach the more favorable conditions seen in October, at 44%. This upward trend in sunny days highlights a brief respite before the winter months set in, making September an appealing time for outdoor activities. Interestingly, the clear skies of early autumn offer a delightful balance, with sunshine gradually increasing as the year progresses towards its final quarter.

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.
JanFebMarAprMayJunJulAugSepOctNovDec50%42%26%29%28%26%21%32%49%44%56%66%
Data source: Xinjian September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Xinjian in September

In Xinjian, China, the transition from summer to autumn is beautifully reflected in the daylight duration throughout the year. After basking in the peak of summer with 14 hours of daylight in June, September marks a gentle decline as daylight hours revert to 12 hours. This gradual reduction signals the shift in seasons, following a steady increase from 10 hours in January to the summer highs. Interestingly, the daylight duration remains consistent through July and August, before tapering off again in October and continuing its descent into the shorter days of winter. As the days grow shorter, residents of Xinjian can savor the last hints of lingering daylight while preparing for the cozy embrace of fall.

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 20m11h 3m11h 59m12h 56m13h 44m14h 8m13h 56m13h 14m12h 19m11h 22m10h 33m10h 7m
Data source: Xinjian daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Xinjian

In September, Xinjian experiences a gentle breeze with an average wind speed of 3.4 m/s (8 mph), maintaining the mild conditions characteristic of late summer. As the season transitions, the wind speed reflects a slight rebound after a lull in August, which saw the year's lowest winds at 2.9 m/s. This moderate September breeze is a part of a broader trend where the winds gradually picked up from their summer lows, peaking in July at 4.1 m/s (9 mph) before stabilizing for the fall months. The varying wind speeds throughout the year not only enhance the region's climate but also set the stage for the stunning landscapes that Xinjian has to offer.

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.
JanFebMarAprMayJunJulAugSepOctNovDec3.23.63.63.53.43.24.12.93.4 m/s3.23.52.8
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 a striking contrast in weather. September enjoys milder temperatures, with a minimum of 17°C (62°F) and an average of 25°C (77°F), peaking at a warm 35°C (96°F). The month also sees substantial rainfall, with 109 mm (4.3 in) over 13 days and a humidity level of 75%, creating a humid atmosphere. In stark contrast, January experiences much colder conditions, with temperatures plunging to a minimum of -8°C (18°F) and averaging around 5°C (41°F), while the maximum only reaches 18°C (64°F). Precipitation is lighter in January, totaling 71 mm (2.8 in) over just 8 days, coupled with a slightly lower humidity of 70%. For more specifics about January weather, you can check this link: Xinjian weather in January.

September and February present stark contrasts in weather. September boasts much warmer temperatures, with nighttime lows around 17°C (62°F) and daytime highs soaring to 35°C (96°F), while February experiences a chill, with temperatures ranging from a low of -7°C (20°F) to a mild maximum of 23°C (74°F). Precipitation levels also differ, with September receiving 109 mm (4.3 in) over about 13 days, compared to February's 73 mm (2.9 in) spread over 9 days. Humidity remains relatively high in both months, at 75% in September and 73% in February, creating a noticeable yet comfortable mugginess during the warmer month, contrasted by the crisp air of winter. For more details, you can check Xinjian weather in February.

September and March present markedly different weather patterns. In September, temperatures range from a minimum of 17°C (62°F) to a maximum of 35°C (96°F), with an average of 25°C (77°F), making it generally warm and humid with a humidity level of 75%. Precipitation is notable, with 109 mm (4.3 in) over 13 rainy days. In contrast, March experiences cooler temperatures, ranging from a chilly minimum of 0°C (32°F) to a maximum of 27°C (81°F) and an average of 12°C (54°F). The humidity increases slightly to 82%, with 93 mm (3.7 in) of rainfall spread over 12 days. For more detailed information on the weather conditions in this month, you can refer to Xinjian weather in March.

September and April present contrasting weather conditions. September features warmer temperatures, with minimums of 17°C (62°F) and maximums peaking at 35°C (96°F), while April starts cooler, with minimums around 6°C (43°F) and maximums reaching 31°C (88°F). Precipitation is higher in September, totaling 109 mm (4.3 in) over about 13 days, compared to April’s 81 mm (3.2 in) across 10 days. Furthermore, humidity levels are generally more pronounced in April at 86%, compared to September's 75%. For a detailed look at the weather specifics, you can check Xinjian weather in April.

In comparing the weather between September and May, September tends to be warmer with average temperatures reaching 25°C (77°F), while May's average is slightly cooler at 22°C (72°F). Interestingly, May can experience slightly higher maximum temperatures, peaking at 36°C (97°F), compared to September's maximum of 35°C (96°F). Precipitation levels are also notable; September sees 109 mm (4.3 in) over approximately 13 days, while May records a higher total of 136 mm (5.4 in) across 10 days. Humidity is generally higher in May at 85%, compared to September’s 75%. For more detailed insights on May weather, you can visit Xinjian weather in May.

When comparing the weather in September and June, both months exhibit similar minimum and average temperatures, with September experiencing a minimum of 17°C (62°F) and an average of 25°C (77°F), while June has a minimum of 17°C (63°F) and an average of 25°C (78°F). However, June tends to be slightly warmer at its maximum temperature, reaching 36°C (97°F), compared to September, which peaks at 35°C (96°F). One notable difference between the two months is precipitation: June receives significantly more rain, totaling 196 mm (7.7 in) over 13 days, while September has a lighter rainfall of 109 mm (4.3 in) over the same number of days. Additionally, humidity levels are higher in June at 85%, compared to September's humidity of 75%. For more detailed information about June weather conditions, visit Xinjian weather in June.

When comparing the weather in September and July, several notable differences emerge. September generally experiences milder temperatures, with minimums around 17°C (62°F) and average highs of 25°C (77°F), while July is warmer, featuring minimum temperatures of 21°C (70°F) and peaks reaching up to 39°C (102°F). Additionally, July tends to be much wetter, with 277 mm (10.9 in) of precipitation over 16 days, compared to September's 109 mm (4.3 in) across 13 days. The humidity levels also indicate a more oppressive atmosphere in July, averaging 90%, as opposed to September's slightly lower 75%. For more detailed insights into July weather, you can refer to Xinjian weather in July.

In comparing the weather between August and September, we see notable differences in temperature and precipitation levels. August tends to be warmer, with average temperatures reaching 29°C (85°F) and a maximum of 36°C (97°F), while September experiences slightly cooler conditions with averages of 25°C (77°F) and highs of 35°C (96°F). Additionally, August has higher humidity at 88%, compared to September's 75%. Precipitation is also greater in August, with 162 mm (6.4 in) over 14 days, whereas September sees 109 mm (4.3 in) across 13 days. For more detailed information, you can visit Xinjian weather in August.

September and October showcase a notable shift in weather patterns. In September, temperatures range from a minimum of 17°C (62°F) to a maximum of 35°C (96°F), with an average of 25°C (77°F). The month sees substantial rainfall, totaling 109 mm (4.3 in) across about 13 days, accompanied by a humidity level of 75%. In contrast, October brings cooler weather, with temperatures dipping to a minimum of 9°C (48°F) and an average of 19°C (66°F), reaching a maximum of 32°C (90°F). Precipitation drops significantly to 61 mm (2.4 in) over just 7 days, while humidity remains slightly higher at 76%. This transition marks a move from the warm, humid days of September to the cooler, more moderate climate of October. For more details, check out Xinjian weather in October.

September and November present strikingly different weather patterns. In September, temperatures range from a warm minimum of 17°C (62°F) to a scorching maximum of 35°C (96°F), with an average temperature of 25°C (77°F). The month sees a significant amount of rainfall, totaling 109 mm (4.3 in) over 13 days, alongside a humidity level of 75%.

In contrast, November offers a much cooler climate, with minimum temperatures dropping to 2°C (36°F) and a maximum of 27°C (80°F). The average temperature for the month is a chilly 13°C (56°F). Precipitation is also reduced to 48 mm (1.9 in) over just 7 days, and humidity rises to 84%. For more detailed information, you can refer to Xinjian weather in November.

September and December present strikingly different weather patterns. In September, temperatures typically range from a minimum of 17°C (62°F) to a maximum of 35°C (96°F), with an average of 25°C (77°F). This month also sees significant precipitation, averaging 109 mm (4.3 in) over 13 days, accompanied by a humidity level of 75%. In contrast, December experiences a much colder climate, with temperatures dropping to a minimum of -6°C (22°F) and peaking at 20°C (68°F), averaging only 7°C (44°F). The month has less precipitation at 51 mm (2.0 in) over 8 days and a slightly higher humidity of 77%. For more detailed information on climate conditions, check this link: Xinjian weather in December.

Compare Xinjian's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Xinjian

As September arrives in Xinjian, the weather begins to transition from the sweltering heat of summer to a more temperate climate. The average temperature cools to a comfortable 25°C, providing a pleasant respite from the extremes seen earlier in the season. While maximum temperatures can still soar to 35°C, the increase in humidity at 75% and the 13 days of precipitation signal the onset of autumn. This shift brings a refreshing change, making September a unique month that balances warm days with the anticipation of cooler nights. For a more detailed understanding of Xinjian's climate throughout the year, visit Xinjian Climate.