September Weather in Xianyang, China

Last updated: August 21, 2025

In Xianyang, China, the weather in September presents a dynamic mix of warmth and humidity, with maximum temperatures reaching up to 36°C (98°F) and an average of 25°C (77°F). Nights cool down to a minimum of 13°C (56°F), offering a pleasant respite from the day's heat. However, September is also marked by 112 mm (4.4 in) of precipitation spread over approximately 13 days, contributing to a relative humidity of 67%. This interplay of warmth and moisture shapes a vibrant atmosphere in Xianyang during this transitional month.

September Temperature in Xianyang

In September, Xianyang, China, experiences a notable transition as summer gives way to autumn, marked by a minimum temperature of 13°C (56°F) and an average high of 36°C (98°F). This month is characterized by pleasantly warm days, perfect for outdoor activities, while the evenings start to cool down, inviting a refreshing change. With average temperatures hovering around 25°C (77°F), it's an ideal time to explore the city's historical sites or enjoy the local cuisine. The gradual shift in temperatures signals the beginning of autumn, making September a captivating month in Xianyang, where the vibrant warmth of summer lingers just long enough to indulge in all that this beautiful region has to offer before the cooler months descend.

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

The chart illustrates September temperature patterns in Xianyang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Xianyang, 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).
JanFebMarAprMayJunJulAugSepOctNovDec464856637176818277675848
Data source: Temperature data for Xianyang 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 Xianyang

In September, Xianyang experiences a notable shift in its precipitation patterns, with an average of 112 mm (4.4 in) of rain spread over approximately 13 days. This month marks a transition as the heavy rains of summer begin to taper off, sharply contrasting with June's staggering 439 mm (17.3 in) and May's substantial 292 mm (11.5 in). As the weather cools, the reduced precipitation reflects the changing seasons, setting the stage for the drier months to come. This decreasing trend in rainfall from summer to autumn is evident, paving the way for a decline in precipitation amounts that continues into October and November, where averages drop to 54 mm (2.1 in) and 78 mm (3.1 in), respectively. Overall, September showcases a transition in Xianyang's climate, embodying the gradual shift from the lush, rain-drenched summer to the calmer, milder autumn months.

September Precipitation Trends in Xianyang

The chart displays monthly precipitation patterns in Xianyang, 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 Xianyang, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec70108196173292439221168112547861
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Xianyang

September marks a noticeable shift in humidity levels in Xianyang, China, with a drop to 67% from the sweltering heights of summer. As the intense heat of July and August gives way to the cooler, more comfortable autumn months, this decrease reflects a broader trend of seasonal change. The humidity peaks during late spring and summer, reaching a high of 88% in July, before gradually tapering off as the city transitions into fall. Despite September's decline, the lingering moisture from the previous months hints at the residual warmth of the season, setting a pleasant backdrop for outdoor activities and evoking a sense of comfort as the landscape prepares for winter.

September Average Humidity in Xianyang

This chart illustrates the average monthly humidity levels in Xianyang, 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 Xianyang is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec66%71%81%84%87%84%88%85%67%72%77%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Xianyang

In September, Xianyang, China, experiences a consistent UV Index of 11, maintaining its position in the extreme exposure category. With a burn time of just 10 minutes, this month emphasizes the need for precautions against overexposure to UV rays. Following the peak summer months of July and August, which both recorded a UV Index of 13, September begins to shift slightly as it transitions toward autumn, yet the intensity remains significantly high. This trend reflects the overall pattern seen throughout the year, where UV levels are particularly elevated in late spring and summer, tapering off towards the cooler months. For those venturing outdoors, it's crucial to stay informed and protected—explore more about the UV Index in the area at Xianyang UV Index.

Maximum UV Index Levels in Xianyang for September

The chart shows the monthly maximum UV Index (UVI) for Xianyang 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 Xianyang typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6811111213121311976
Data source: Xianyang 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 Xianyang

September in Xianyang, China, basks in an impressive 281 hours of sunshine, a continuation of the bright summer trend. Following the sunniest months of July and August, which boast 305 and 317 hours respectively, September still offers ample daylight, marking a slight dip as the city transitions into autumn. This month, like its predecessors, showcases a vibrant solar presence, significantly higher than the chilly winter months with only 178 hours in January. As the foliage begins to change and temperatures cool, the sunny days of September provide a picturesque backdrop for outdoor activities, making it one of the ideal times to explore the beauty of Xianyang.

Monthly Sunshine Duration in Xianyang: September Highlighted

The September sunshine duration represents the total number of hours Xianyang 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.
JanFebMarAprMayJunJulAugSepOctNovDec178h206h218h246h291h237h305h317h281h247h225h220h
Data source: Xianyang September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Xianyang During September

In September, Xianyang, China experiences a notable uptick in the likelihood of sunny weather, boasting a 55% chance of sunshine. This marks a significant improvement from the summer months of July and August, which struggle with lower probabilities of clear skies at 17% and 22%, respectively. As the region transitions from the sweltering heat of summer to the milder autumn, September offers a refreshing reprieve with more favorable weather conditions. This increase in sunshine not only enhances outdoor activities but also sets a vibrant backdrop for the city's stunning autumn scenery. Following September, the odds of sunny days do dip again in October, but the return to brighter days in September indicates a welcomed seasonal shift for residents and visitors alike.

Percentage of Sunny Days in September in Xianyang

The chart illustrates the percentage of sunny days in Xianyang 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 Xianyang experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec60%39%24%22%13%12%17%22%55%30%39%47%
Data source: Xianyang September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Xianyang in September

In Xianyang, China, the month of September marks the transition from the peak summer days to the cooler autumn nights, with daylight lasting for about 12 hours. This duration reflects a gradual decline from the consistent 13 hours of daylight enjoyed during the summer months of June, July, and August. As daylight begins to wane, it sets the stage for the changing season, highlighted by shorter days in October and November. Observing this seasonal rhythm, one can appreciate the delicate balance of light and dark that characterizes the year in Xianyang, signaling not only the approach of autumn but also the rich tapestry of nature's cycles.

Average Daylight Hours in Xianyang for September

The chart illustrates the variation in daylight duration in Xianyang throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 34m11h 11m11h 59m12h 49m13h 31m13h 52m13h 41m13h 5m12h 17m11h 28m10h 45m10h 23m
Data source: Xianyang daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Xianyang

As September rolls into Xianyang, the wind begins to whisper its subtle tales, averaging a gentle 1.5 m/s (3 mph). This month marks a brief pause in the summer's breezy dance, showcasing a slight dip from July's livelier 1.9 m/s. The overall pattern reveals a steady trend towards calmer winds as the year progresses, with the lowest gusts typically occurring in August. However, September remains pleasantly mild, providing a serene atmosphere as the city transitions into autumn. Despite the variations throughout the year, the winds in Xianyang maintain a consistent character, inviting both tranquil moments and invigorating breezes to accompany the changing seasons.

Average September Wind Speed in Xianyang

The chart displays monthly wind speed patterns in Xianyang, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.81.51.61.51.61.41.91.31.5 m/s1.71.61.6
Data source: Xianyang September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Xianyang Compares to Other Months

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

September and January present strikingly different weather conditions. In September, temperatures soar with a minimum of 13°C (56°F) and a maximum reaching up to 36°C (98°F), averaging around 25°C (77°F). The month also experiences considerable rainfall, totaling 112 mm (4.4 in) over 13 days, with humidity hovering at 67%. In contrast, January is characterized by significantly cooler temperatures, with a minimum dipping to -6°C (22°F) and a maximum of 23°C (73°F), creating a much chillier average of 8°C (47°F). Precipitation in January is less frequent, totaling 70 mm (2.8 in) across 8 days, while humidity remains relatively stable at 66%. For more detailed insights, you can check Xianyang weather in January.

September and February showcase striking contrasts in weather patterns. In September, temperatures range from a minimum of 13°C (56°F) to a scorching maximum of 36°C (98°F), with an average of 25°C (77°F). Precipitation is fairly high at 112 mm (4.4 in) over 13 days, accompanied by a humidity level of 67%. In contrast, February experiences much cooler conditions, with temperatures dipping as low as -5°C (23°F) and peaking at 24°C (76°F), averaging around 9°C (48°F). The month sees slightly lower precipitation at 108 mm (4.3 in) over 12 days, with humidity increasing to 71%. For more detailed information, you can check Xianyang weather in February.

September and March present quite different weather patterns. In September, temperatures typically range from a mild 13°C (56°F) at night to a warm 36°C (98°F) during the day, with an average of 25°C (77°F). The month sees considerable rainfall, averaging 112 mm (4.4 in) over about 13 days, and humidity levels hover around 67%. In contrast, March experiences lower temperatures, starting at a minimum of 1°C (33°F) and reaching a maximum of 29°C (84°F), with an average temperature of 14°C (57°F). Precipitation is higher in March, totaling 196 mm (7.7 in) across 19 days, and humidity rises to 81%. For a more specific overview, check out Xianyang weather in March.

In September, the weather is generally warmer, with average temperatures reaching 25°C (77°F) and maximums soaring up to 36°C (98°F). The humidity level stands at 67%, and the month sees about 112 mm (4.4 in) of precipitation over approximately 13 days. In contrast, April is cooler, with average temperatures around 17°C (64°F) and maximums peaking at 32°C (90°F). This month is also wetter, receiving about 173 mm (6.8 in) of rain over 16 days and higher humidity levels at 84%. For a more detailed look at April's weather, you can visit Xianyang weather in April.

In September, the weather typically features temperatures ranging from a minimum of 13°C (56°F) to a maximum of 36°C (98°F), with an average temperature of 25°C (77°F). While it can be quite warm, September sees moderate precipitation of 112 mm (4.4 in) spread over 13 days, accompanied by a humidity level of 67%. In contrast, May experiences cooler temperatures, with a minimum of 10°C (50°F) and a more moderate maximum of 35°C (95°F), averaging at 22°C (72°F). However, May is notably wetter, receiving 292 mm (11.5 in) of rain across 18 days, resulting in higher humidity at 87%. For more detailed information, you can check Xianyang weather in May.

When comparing the weather in June and September, notable differences emerge in temperature and precipitation patterns. September boasts a slightly higher average temperature of 25°C (77°F) with a max reaching 36°C (98°F), while June has a similar average of 24°C (76°F) and a peak of 35°C (95°F). However, June is significantly wetter, receiving 439 mm (17.3 in) of precipitation over 23 days compared to September's 112 mm (4.4 in) across 13 days. Additionally, June experiences higher humidity at 84% versus September’s 67%. For more insights on weather conditions, check out Xianyang weather in June.

September and July present distinctly different weather conditions. In September, temperatures range from a minimum of 13°C (56°F) to a maximum of 36°C (98°F), with an average of 25°C (77°F). The month sees considerable rainfall, totaling 112 mm (4.4 in) over 13 days, accompanied by a moderate humidity level of 67%. In contrast, July experiences higher temperatures, with a minimum of 20°C (68°F), an average of 27°C (82°F), and peaks reaching 38°C (101°F). Rainfall is significantly heavier in July, amounting to 221 mm (8.7 in) across 16 days, and the humidity is notably higher at 88%. For more detailed insights on July's weather, you can check Xianyang weather in July.

In comparing the weather of September to that of August, we notice a significant drop in both temperature and humidity. September's temperatures range from a minimum of 13°C (56°F) to a maximum of 36°C (98°F), with an average of 25°C (77°F), while August offers warmer conditions, with temperatures starting at 21°C (70°F) and peaking at 38°C (100°F), averaging 28°C (82°F). Additionally, September experiences 112 mm (4.4 in) of precipitation over 13 days, compared to August's higher rainfall of 168 mm (6.6 in) over 15 days, indicating a slightly drier month. The humidity also drops in September to 67%, down from August's more oppressive 85%. For those interested in this climate comparison, more detailed information can be found in this resource: Xianyang weather in August.

September and October exhibit notable differences in weather patterns. September experiences warmer temperatures with a minimum of 13°C (56°F) and an average of 25°C (77°F), peaking at 36°C (98°F). In contrast, October sees cooler conditions, with temperatures ranging from a minimum of 7°C (45°F) to an average of 20°C (67°F) and a maximum of 35°C (95°F). Precipitation also declines significantly in October, with 54 mm (2.1 in) over 8 days compared to September's 112 mm (4.4 in) over 13 days, although humidity remains slightly higher in October at 72% versus 67% in September. For more detailed information, check Xianyang weather in October.

In September, the weather is significantly warmer, with average temperatures around 25°C (77°F) and maximum highs reaching up to 36°C (98°F). This month also sees a considerable amount of rainfall, totaling 112 mm (4.4 in) over approximately 13 days, accompanied by moderate humidity levels of 67%. In contrast, November experiences much cooler temperatures, with an average of 14°C (58°F) and a maximum of 29°C (84°F). While precipitation decreases to 78 mm (3.1 in) over 11 days, humidity rises slightly to 77%. This transition highlights a notable shift from the warmth of late summer to the cooler, wetter conditions of late autumn. For more details, check out Xianyang weather in November.

September's weather is typically warm, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 36°C (98°F), averaging around 25°C (77°F). The month experiences substantial rainfall, totaling 112 mm (4.4 in) over approximately 13 days, with humidity levels around 67%. In contrast, December brings much cooler temperatures, with a minimum of -3°C (28°F) and a maximum of 26°C (79°F), averaging just 9°C (48°F). Precipitation is lower at 61 mm (2.4 in) over about 11 days, but humidity is higher at 80%. For more detailed insights, you can check Xianyang weather in December.

Compare Xianyang's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Xianyang

As September rolls into Xianyang, the weather showcases a noticeable transition from the sweltering summer heat. With temperatures averaging around a comfortable 25°C (77°F), the days become more enjoyable compared to the scorching highs of July and August, which often soar above 36°C (98°F). Humidity levels exceed 60%, contributing to a sense of mugginess, but the overall atmosphere is more temperate, making outdoor activities feasible. September also marks the beginning of increased rainfall, bringing along 112 mm of precipitation over 13 days, which helps refresh the landscape after the dry summer months. This unique combination of warmth and moisture sets September apart, making it an ideal time to explore the area’s natural beauty. For a deeper dive into Xianyang's weather patterns, visit Xianyang Climate.