September Weather in Xijiang, China

Last updated: August 21, 2025

September in Xijiang, China brings a warm yet refreshing climate, characterized by a maximum temperature reaching 37°C (99°F) and an average of 25°C (77°F). As the month progresses, temperatures dip to a pleasant minimum of 17°C (62°F), making it an ideal time for outdoor activities. However, residents and visitors should be prepared for an average precipitation of 95 mm (3.7 in) over approximately 10 rainy days, contributing to the region's humidity level of 68%. This unique blend of warmth and moisture creates a vibrant atmosphere in Xijiang, perfect for experiencing the rich local culture.

September Temperature in Xijiang

In September, Xijiang experiences a delightful transition from the intense summer heat to the more moderate autumn temperatures. With minimums around 17°C (62°F) and averages reaching 25°C (77°F), the weather strikes a pleasant balance, while daytime highs can still soar to 37°C (99°F). As the month progresses, the lingering warmth of late summer gradually gives way to cooler mornings and evenings, inviting locals and visitors alike to enjoy the vibrant autumn scenery. This shift makes September an ideal time to explore the area's natural beauty, as the climate remains warm enough for outdoor activities but cool enough to provide a refreshing escape from the summer swelter.

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

The chart illustrates September temperature patterns in Xijiang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Xijiang, 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).
JanFebMarAprMayJunJulAugSepOctNovDec414556647379848577655645
Data source: Temperature data for Xijiang 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 Xijiang

In September, Xijiang, China, experiences a significant yet moderate shift in precipitation patterns, with 95 mm (3.7 in) of rainfall over 10 days. This marks a noticeable decline from the intense summer months, particularly July's peak of 254 mm (10.0 in), while still exceeding the drier autumn months to follow. The decrease in precipitation is complemented by a reduction in rainy days, hinting at a transition as the region prepares for the cooler months ahead. September stands out as a month of balance, with enough rainfall to sustain the landscape, yet paving the way for the dryer days of autumn, which typically bring 63 mm (2.5 in) in October and continue the downward trend into winter.

September Precipitation Trends in Xijiang

The chart displays monthly precipitation patterns in Xijiang, 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 Xijiang, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec526011914520123425414995634527
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Xijiang

In Xijiang, China, September marks a notable shift in humidity, dipping to 68%—the lowest level of the year. This decrease comes after a summer of elevated moisture, with July peaking at 87%. As the warm months transition into autumn, September's drop invites a refreshing respite from the lingering humidity that characterizes the earlier part of the year. Following this, humidity gradually rises again in October to 72%, hinting at the coming chill of winter. Overall, this trend highlights Xijiang's dynamic climate, where seasonal shifts bring varied humidity levels that impact both the region's environment and lifestyle.

September Average Humidity in Xijiang

This chart illustrates the average monthly humidity levels in Xijiang, 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 Xijiang is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%75%84%85%83%83%87%83%68%72%83%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Xijiang

As September rolls in Xijiang, China, the UV Index holds steady at a remarkable 10, indicating a very high exposure category. This level signifies a continued need for sun protection, particularly as the burn time remains a brisk 15 minutes. Following the extreme levels experienced during the height of summer, September offers a slight reprieve while still demanding caution under the sun. This gradual decline from July and August's peak values of 12 reflects the seasonal transition, but outdoor enthusiasts should remain vigilant. To navigate the changing UV landscape this month, be sure to stay informed by checking the latest updates on the Xijiang UV Index.

Maximum UV Index Levels in Xijiang for September

The chart shows the monthly maximum UV Index (UVI) for Xijiang 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 Xijiang typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec568101011121210864
Data source: Xijiang 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 Xijiang

As summer transitions to autumn, September in Xijiang, China enjoys a splendid 259 hours of sunshine, marking a slight dip from the sweltering peak of 314 hours in August. This month reflects a typical trend, where the days gradually shorten and the vibrant energy of summer begins to soften. Despite this reduction, September remains a delightful time to experience the lingering warmth and golden hues, ideal for outdoor explorations. The gradual retreat of sunlight continues into the fall, with October bringing 220 hours, yet the charm of early autumn’s glow still enchants locals and visitors alike.

Monthly Sunshine Duration in Xijiang: September Highlighted

The September sunshine duration represents the total number of hours Xijiang 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.
JanFebMarAprMayJunJulAugSepOctNovDec171h211h233h242h271h283h297h314h259h220h219h218h
Data source: Xijiang September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Xijiang During September

In Xijiang, China, September emerges as a standout month for sunshine, boasting a significantly higher chance of sunny days at 65%. This marks a notable increase compared to the preceding months, where the likelihood of clear skies hovers around the mid-to-low 30s. As summer transitions into autumn, it seems that the weather in September brings a welcome shift, inviting residents and travelers alike to enjoy the outdoors under the warming sun. The trend indicates that, after a rather cloudy spring, the region brightens up, offering a perfect backdrop for outdoor activities and cultural experiences as the vibrant landscapes come alive.

Percentage of Sunny Days in September in Xijiang

The chart illustrates the percentage of sunny days in Xijiang 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 Xijiang experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec49%42%25%17%22%27%32%34%65%40%56%60%
Data source: Xijiang September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Xijiang in September

In Xijiang, China, September marks the transition towards shorter days, with an average of 12 hours of daylight. This follows the peak of summer, where daylight reached 14 hours in June. As the seasons shift, the daylight hours begin to gently decline, reflecting the approach of autumn. The earlier months of the year see gradual increases in daylight, peaking in May, before stabilizing and then tapering off as the year comes to a close. This pattern highlights the beautiful cyclical nature of daylight duration, as Xijiang transitions through its vibrant seasons, from the long, bright days of summer to the cozy, shorter ones of winter.

Average Daylight Hours in Xijiang for September

The chart illustrates the variation in daylight duration in Xijiang throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 23m11h 5m11h 59m12h 54m13h 41m14h 4m13h 52m13h 12m12h 19m11h 23m10h 36m10h 11m
Data source: Xijiang daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Xijiang

In September, the average wind speed in Xijiang, China remains steady at 2.6 m/s (6 mph), maintaining the trend seen throughout the late summer months. This month serves as a transition point as the winds gently shift from the lighter breezes of June and August, which saw speeds drop to 2.2 m/s (5 mph) and 2.4 m/s (5 mph), respectively. Interestingly, September's wind speeds are consistent with the early months of the year, where averages hovered around 2.6 m/s (6 mph). Looking ahead to October, one can anticipate a noticeable increase to 3.4 m/s (8 mph), marking the onset of a breezier autumn season. Overall, the wind patterns in Xijiang illustrate a rhythmic ebb and flow, reflecting the region’s unique climatic shifts.

Average September Wind Speed in Xijiang

The chart displays monthly wind speed patterns in Xijiang, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.62.72.82.82.52.22.72.42.6 m/s3.42.62.5
Data source: Xijiang September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Xijiang Compares to Other Months

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

September and January showcase notably contrasting weather patterns. In September, temperatures can range from a mild 17°C (62°F) to a scorching 37°C (99°F), with an average of 25°C (77°F). The month experiences significant rainfall, totaling 95 mm (3.7 in) over about 10 days, and maintains a humidity level of 68%. In sharp contrast, January presents a much colder climate, with temperatures dipping to a minimum of -6°C (21°F) and reaching a maximum of 19°C (67°F), averaging around 5°C (41°F). Precipitation in January is lighter at 52 mm (2.0 in) spread over 7 days, with slightly higher humidity at 71%. For more details on January weather, you can check Xijiang weather in January.

September and February present strikingly contrasting weather patterns. In September, temperatures range from a minimum of 17°C (62°F) to a scorching maximum of 37°C (99°F), with an average of 25°C (77°F), accompanied by relatively high humidity at 68% and considerable precipitation of 95 mm (3.7 in) over about ten days. In contrast, February offers a chillier climate, with temperatures dipping to a minimum of -4°C (25°F) and an average of just 7°C (45°F), peaking at 27°C (80°F). While February sees less rainfall, at 60 mm (2.4 in), it maintains a higher humidity level of 75%. To explore more about the specific weather conditions in this month, you can check Xijiang weather in February.

In September, the weather typically features warm temperatures, with a minimum of 17°C (62°F) and an average of 25°C (77°F), peaking at a high of 37°C (99°F). However, the month also experiences considerable humidity at 68% and receives 95 mm (3.7 in) of precipitation over about 10 days. In contrast, March is much cooler, starting with a minimum temperature of 2°C (36°F) and averaging 13°C (56°F), with a maximum of 29°C (84°F). Despite its higher precipitation of 119 mm (4.7 in) spread over 13 days, March has a higher humidity level at 84%, resulting in a different atmospheric feel. For more detailed insights into the weather in March, you can check Xijiang weather in March.

When comparing the weather in September and April, notable differences emerge. September tends to be warmer, with average temperatures ranging from a minimum of 17°C (62°F) to a maximum of 37°C (99°F), while April has cooler temperatures, with a minimum of 6°C (43°F) and a maximum of 33°C (91°F). Additionally, September experiences relatively lower humidity at 68%, compared to April's higher humidity level of 85%. Precipitation is also a factor, with April receiving more rainfall at 145 mm (5.7 in), compared to September's 95 mm (3.7 in), despite both months having similar precipitation days at 10. For more detailed information on the April weather, you can visit Xijiang weather in April.

When comparing the weather in September and May, notable differences emerge. September typically features a warmer average temperature of 25°C (77°F) with highs reaching up to 37°C (99°F), while May has a cooler average of 23°C (73°F) and maximum temperatures of 35°C (95°F). Additionally, May experiences more rainfall, accumulating 201 mm (7.9 in) over 13 days, compared to September’s 95 mm (3.7 in) over 10 days. The humidity is higher in May at 82%, compared to 68% in September, making the latter generally feel less muggy. For a closer look at the weather specifics, you can check Xijiang weather in May.

When comparing the weather in September and June, we note that both months share a similar minimum temperature of 17°C (62°F), indicating mild nights. However, September typically sees an average temperature of 25°C (77°F), slightly lower than June's average of 26°C (80°F). The maximum temperatures in September can reach up to 37°C (99°F), while June's peak is a bit cooler at 35°C (96°F).

In terms of precipitation, June is significantly wetter with 233 mm (9.2 in) over 13 days, compared to September's 95 mm (3.7 in) over just 10 days, making June feel more humid with a humidity level of 83%, while September sees a lower humidity of 68%. For a detailed look at the weather patterns, you can check Xijiang weather in June.

When comparing the weather in September and July, notable differences emerge. September tends to have more moderate temperatures, with a minimum of 17°C (62°F), an average of 25°C (77°F), and a maximum of 37°C (99°F). In contrast, July is warmer overall, with a minimum of 21°C (70°F), an average of 29°C (84°F), and a maximum of 39°C (102°F). However, July also experiences significantly higher precipitation, totaling 254 mm (10.0 in) over 14 days, compared to September’s 95 mm (3.7 in) over 10 days. Additionally, July's humidity is noticeably higher at 87%, compared to September’s 68%. For more details, check out Xijiang weather in July.

September experiences slightly cooler temperatures compared to August, with a minimum temperature of 17°C (62°F) and an average of 25°C (77°F), compared to August's minimum of 20°C (68°F) and average of 29°C (85°F). August is typically the hotter month, reaching maximum temperatures of up to 38°C (100°F), while September peaks at 37°C (99°F). Additionally, September sees less rainfall, accumulating 95 mm (3.7 in) over about 10 days, while August receives a larger total of 149 mm (5.9 in) across 14 days, contributing to higher humidity levels of 83% in August compared to 68% in September. For a more detailed look at August weather, you can visit Xijiang weather in August.

September and October present a noticeable shift in weather patterns. In September, temperatures range from a minimum of 17°C (62°F) to an average of 25°C (77°F), with maximums peaking at 37°C (99°F). The month also experiences significant precipitation, totaling 95 mm (3.7 in) over 10 days, accompanied by a humidity level of 68%.

In contrast, October sees a drop in temperatures, with minimums reaching 9°C (49°F) and an average of 18°C (65°F), while maximums remain close at 36°C (97°F). Rainfall decreases to 63 mm (2.5 in) across 8 days, and humidity rises slightly to 72%. This transition marks a significant decrease in warmth and rainfall, highlighting the shift into cooler autumnal weather. For more details, visit Xijiang weather in October.

September and November present a stark contrast in weather conditions. In September, temperatures can soar, with an average high of 25°C (77°F) and peaks reaching as high as 37°C (99°F). The month also experiences significant rainfall, totaling 95 mm (3.7 in) over about 10 days, along with a humidity level of 68%. In contrast, November sees much cooler temperatures, with averages around 13°C (56°F) and lows dipping to 2°C (36°F). Rainfall decreases to 44 mm (1.8 in) across 8 days, and the humidity rises slightly to 83%. For more detailed information, check out Xijiang weather in November.

September and December present starkly contrasting weather conditions. In September, temperatures can reach a sweltering maximum of 37°C (99°F) and feature an average of 25°C (77°F), alongside significant humidity levels at 68% and 95 mm of precipitation over 10 days. On the other hand, December offers a much cooler climate, with maximum temperatures peaking at 19°C (66°F) and an average of only 7°C (45°F). Precipitation decreases significantly to 27 mm (1.0 in) over just 6 days, and humidity rises to 79%. For more detailed information, you can check Xijiang weather in December.

Compare Xijiang's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Xijiang

As September rolls into Xijiang, the weather presents a delightful shift that sets it apart from the summer months. With average temperatures cooling to a comfortable 25°C (77°F), the sweltering heat of July and August gives way to more pleasant conditions, making outdoor activities more enjoyable. However, September is also marked by an increase in precipitation, with rain gracing the region for about 10 days, leaving the lush landscape even more vibrant. While humidity remains high at 68%, the overall climate is a refreshing transition, inviting nature lovers and travelers alike to explore the beauty of Xijiang. For a detailed overview of seasonal trends, visit Xijiang Climate.