September Weather in Luoyang, China

Last updated: August 21, 2025

September in Luoyang, China offers a delightful transition into autumn, with temperatures ranging from a pleasant 10°C (50°F) at night to a comfortable 27°C (81°F) during the day, averaging around 19°C (66°F). However, this month is not without its challenges, as it experiences considerable precipitation, totaling approximately 193 mm (7.6 in) across 22 rainy days. The high humidity levels, at 85%, add to the overall sensation of warmth and can make the air feel heavier. This dynamic weather pattern creates a unique atmosphere, perfect for exploring the city's rich cultural heritage amidst the shifting seasonal backdrop.

September Temperature in Luoyang

In September, Luoyang, China, experiences a delightful transition from the summer heat, with temperatures reflecting a gradual cooling trend. The minimum temperature hovers around 10°C (50°F), while the average dips gently to 19°C (66°F), creating a comfortable environment for outdoor exploration. The maximum temperature peaks at 27°C (81°F), offering warm, sunny days perfect for enjoying the city's rich history. This month marks a shift towards autumn, as both daytime and nighttime temperatures become more moderate, inviting locals and visitors alike to embrace the changing season.

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

The chart illustrates September temperature patterns in Luoyang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Luoyang, 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).
JanFebMarAprMayJunJulAugSepOctNovDec495160636870696966615549
Data source: Temperature data for Luoyang generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Luoyang

September marks a significant shift in Luoyang's precipitation pattern, with 193 mm (7.6 in) of rainfall recorded over 22 days. This month stands out as a transitional period, bridging the heavy rains of summer and the drier autumn ahead. While still generous in precipitation, September's figures reflect a noticeable decline from the summer months, which consistently saw over 270 mm of rain. The days of rainfall slightly decrease from August's peak, yet this lingering wetness hints at the city's lush, vibrant landscape. As the city prepares for the cooler temperatures of October, the precipitation patterns showcase the dynamic climate that defines Luoyang throughout the year.

September Precipitation Trends in Luoyang

The chart displays monthly precipitation patterns in Luoyang, 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 Luoyang, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec42293485882702722691931093728
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Luoyang

As the summer swelter gives way to autumn, September in Luoyang, China, showcases a notable shift in humidity, maintaining a robust 85%. This marks a slight decrease from the intense 90% humidity of August, yet it still reflects the lingering effects of the previous months. Following the sweltering July and August, which brought some of the highest humidity levels of the year at 89% and 90% respectively, September remains relatively humid but hints at the upcoming transition into the cooler, drier months of fall. This trend of high humidity peaks in mid-summer gradually tailors off in the months that follow, with October expected to bring a comfortable drop to 80%, illustrating the changing climate as Luoyang prepares for autumn.

September Average Humidity in Luoyang

This chart illustrates the average monthly humidity levels in Luoyang, 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 Luoyang is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec56%69%54%54%69%85%89%90%85%80%83%74%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Luoyang

In September, Luoyang, China, experiences a UV Index of 13, maintaining its position within the extreme exposure category, with a burn time of just 10 minutes. This slight decrease from August’s peak of 14 suggests a gradual transition toward milder autumn conditions, although the risk of skin damage remains significant. Overall, from January to September, the UV Index exhibits a clear progression, starting from very high levels in the early months and reaching extreme values during the summer, particularly in July with a peak of 16. As the month of September wraps up summer, it still demands vigilance from sun-seekers. For detailed insights into UV exposure trends throughout the year, visit Luoyang UV Index.

Maximum UV Index Levels in Luoyang for September

The chart shows the monthly maximum UV Index (UVI) for Luoyang 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 Luoyang typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec89111415141614131197
Data source: Luoyang 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 Luoyang

September in Luoyang, China, is characterized by 285 hours of sunshine, marking a slight dip from the sun-drenched summer months. As the vibrant energy of August, which boasts 310 hours of sunlight, gives way to the cooler fall, September still enjoys a significant amount of sunshine, reflecting a gradual transition in weather. Over the year, sunshine peaks in May with an impressive 329 hours, showcasing the height of spring's warmth, while winter months like January lag behind with only 224 hours. The trend suggests a gentle ebb and flow of sunlight, with September standing as a bridge between the luminous summer and the more subdued autumn, inviting residents and visitors alike to bask in its fading warmth.

Monthly Sunshine Duration in Luoyang: September Highlighted

The September sunshine duration represents the total number of hours Luoyang 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.
JanFebMarAprMayJunJulAugSepOctNovDec224h265h322h298h329h291h279h310h285h246h267h262h
Data source: Luoyang September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Luoyang During September

In September, Luoyang, China, experiences a moderate 34% chance of sunny weather, marking a significant improvement from the summer months when the likelihood of sunshine plummets to 13-19%. As the transition from the sweltering heat of July and August begins, September offers a gentle shift as autumn approaches, creating a more pleasant atmosphere for outdoor activities. While still lower compared to the sunnier spring months, where chances peak at 76% in March, September's weather hints at a promising blend of sunlight and comfortable temperatures, making it a favorable time to explore this historic city.

Percentage of Sunny Days in September in Luoyang

The chart illustrates the percentage of sunny days in Luoyang 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 Luoyang experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec60%66%76%57%48%17%13%19%35%25%33%39%
Data source: Luoyang September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Luoyang in September

As the summer heat begins to wane, September in Luoyang, China, offers a balanced 12 hours of daylight, reminiscent of the preceding spring months. This month marks a gentle transition, where daylight gradually tapers off from the peak of 13 hours experienced in June and July. Following the vibrant warmth of August, the consistent daylight in September encourages outdoor activities before the daylight hours begin to diminish further in autumn. The trend of increasing daylight from January, peaking in mid-summer, and then slowly receding, paints a vivid picture of Luoyang's seasonal rhythm, with September perfectly straddling the line between the lingering warmth of summer and the approach of fall.

Average Daylight Hours in Luoyang for September

The chart illustrates the variation in daylight duration in Luoyang throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 45m11h 18m12h12h 44m13h 20m13h 39m13h 29m12h 57m12h 16m11h 32m10h 55m10h 36m
Data source: Luoyang daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Luoyang

As September arrives in Luoyang, China, a subtle shift in the air signals the transition from the lively summer months. With an average wind speed of just 2.1 m/s (5 mph), the gentle breezes reflect a distinct calming trend, following the summer's peak winds. Compared to earlier months, such as March with 4.5 m/s (10 mph), September's winds feel almost serene, inviting locals and visitors alike to enjoy the softer whispers of nature. This decline in wind speed, continuing from the peak summer months, hints at the approach of autumn, where the air cools and the landscape transforms into a tapestry of rich seasonal colors. As the winds soften, the charm of Luoyang becomes more profound, encouraging exploration and reflection amidst the city’s historical wonders.

Average September Wind Speed in Luoyang

The chart displays monthly wind speed patterns in Luoyang, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.33.44.53.63.92.62.32.22.1 m/s3.02.82.5
Data source: Luoyang September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Luoyang Compares to Other Months

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

September and January present a striking contrast in weather conditions. In September, temperatures range from a minimum of 10°C (50°F) to a maximum of 27°C (81°F), with an average of 19°C (66°F). This month is characterized by high humidity at 85% and significant rainfall, totaling 193 mm (7.6 in) over 22 days. In contrast, January sees much colder temperatures, with a minimum of -3°C (26°F) and a maximum of 20°C (69°F), averaging 9°C (49°F). Precipitation drops dramatically to 42 mm (1.7 in) occurring over just 5 days, and humidity decreases to 56%. For more specific details about January's weather in Luoyang, you can visit Luoyang weather in January.

September and February present contrasting weather patterns. In September, temperatures range from a minimum of 10°C (50°F) to a maximum of 27°C (81°F), with an average of 19°C (66°F). This month experiences significant rainfall, accumulating 193 mm (7.6 in) over approximately 22 days, accompanied by high humidity levels of 85%. In stark contrast, February sees a much cooler climate, with temperatures dipping to a minimum of -3°C (28°F) and peaking at 24°C (75°F), averaging 11°C (52°F). Additionally, February is much drier, receiving only 29 mm (1.1 in) of precipitation over 5 days and featuring lower humidity at 69%. For more information on February weather in Luoyang, you can visit Luoyang weather in February.

In comparing the weather of September and March, notable differences emerge. September tends to be warmer on average, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 27°C (81°F), while March shows a cooler profile with temperatures from 4°C (40°F) to 28°C (83°F). Moreover, September experiences significantly higher precipitation, with 193 mm (7.6 in) falling over 22 days, making it a much wetter month compared to March, which sees only 33 mm (1.3 in) over 6 days. Humidity levels also vary, with September being quite humid at 85%, in contrast to the more comfortable 54% humidity in March. For more detailed information on March weather, you can check Luoyang weather in March.

When comparing the weather in September and April, we see notable differences in temperature and precipitation. September typically experiences a milder range of temperatures, with averages from a cool 10°C (50°F) to a warm 27°C (81°F), alongside high humidity levels at 85%. In contrast, April boasts a broader temperature range, with a minimum of 3°C (38°F) escalating to a peak of 31°C (88°F) and considerably lower humidity at 54%. Furthermore, April receives significantly less rainfall, tallying only 85 mm (3.4 in) over 11 days, compared to September’s 193 mm (7.6 in) across 22 days. For a more detailed look at April’s weather patterns, check out Luoyang weather in April.

September and May present distinct weather patterns. September typically showcases warmer temperatures, with highs reaching up to 27°C (81°F) and a higher average humidity of 85%, which contributes to a more humid feel. However, it also brings substantial rainfall, with precipitation recorded on 22 days, totaling 193 mm (7.6 in). In contrast, May features milder temperatures, peaking at 32°C (90°F) but with lower humidity levels at 69%, making it feel much drier and more comfortable. Additionally, May experiences significantly less precipitation, with only 88 mm (3.5 in) over 11 days. For more detailed weather insights, you can check Luoyang weather in May.

In comparing the weather in September and June, both months experience high humidity levels at 85%, but their temperatures differ slightly. September has a minimum temperature of 10°C (50°F) and an average of 19°C (66°F), peaking at 27°C (81°F), while June enjoys slightly warmer temperatures with a minimum of 12°C (54°F), an average of 21°C (70°F), and a maximum of 30°C (85°F). Precipitation is also notably higher in June, with 270 mm (10.6 in) of rain over 21 days, compared to September's 193 mm (7.6 in) over 22 days. For more detailed information about June weather, you can visit Luoyang weather in June.

In comparing the weather between September and July, notable differences emerge. September tends to be cooler, with minimum temperatures dropping to around 10°C (50°F) and an average of 19°C (66°F), while July features slightly warmer temperatures with a minimum of 15°C (58°F) and an average of 20°C (69°F). Although both months experience significant rainfall, July is wetter, receiving 272 mm (10.7 in) over 26 days compared to September's 193 mm (7.6 in) over 22 days. Humidity levels are also higher in July at 89%, compared to September’s 85%. For more detailed insights, you can visit this link: Luoyang weather in July.

In comparing the weather between September and August, September experiences slightly cooler temperatures, with an average of 19°C (66°F) compared to August's 20°C (69°F). The maximum temperature in September reaches 27°C (81°F), which is a bit lower than August's peak of 29°C (85°F). Additionally, September sees increased precipitation, totaling 193 mm (7.6 in) over 22 days, while August has a higher rainfall of 269 mm (10.6 in) across 26 days. Humidity levels are also marginally lower in September at 85% compared to August's 90%. For a detailed overview of August weather, you can check Luoyang weather in August.

September typically sees warmer temperatures, with daily averages around 19°C (66°F) and highs reaching up to 27°C (81°F), while October experiences a dip in temperatures, averaging 16°C (61°F) with a maximum of 25°C (78°F). In terms of precipitation, September is significantly wetter, receiving 193 mm (7.6 in) across 22 days, compared to October’s 109 mm (4.3 in) over 17 days. Humidity levels also decline slightly from September’s 85% to October's 80%, indicating a gradual shift towards drier weather. For more detailed information, you can check Luoyang weather in October.

September and November exhibit notable differences in weather patterns. September enjoys warmer temperatures, with an average of 19°C (66°F) and highs reaching 27°C (81°F), whereas November tends to be cooler, featuring an average of 13°C (55°F) and a maximum of 24°C (75°F). Additionally, September experiences significantly higher precipitation, with about 193 mm (7.6 inches) over 22 days, compared to November's milder 37 mm (1.4 inches) over just 7 days. Humidity levels remain relatively similar, with September at 85% and November slightly lower at 83%. For more detailed information, you can check Luoyang weather in November.

In September, the weather is generally warm with temperatures ranging from a low of 10°C (50°F) to a high of 27°C (81°F), accompanied by high humidity at 85%. The month is characterized by significant rainfall, with an average of 193 mm (7.6 in) spread over approximately 22 days, making it one of the wetter months. In contrast, December sees a notable drop in temperatures, with lows plunging to -2°C (29°F) and highs reaching only up to 20°C (68°F), resulting in a cooler average of 9°C (49°F). Precipitation decreases significantly to just 28 mm (1.1 in) over about 5 days, and humidity also drops to 74%. For more details, you can check the Luoyang weather in December.

Compare Luoyang's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Luoyang

As September rolls into Luoyang, the weather takes on a unique character, distinguishing itself from the sweltering summer months. With temperatures cooling down from the peak heat, the pleasant average of 19°C (66°F) offers a refreshing respite, while the days are still warm enough to enjoy outdoor activities. However, September also brings significant rainfall, with nearly three-quarters of the month experiencing precipitation, leading to high humidity levels that can feel quite muggy. This combination makes for a dynamic seasonal transition, as Luoyang moves from the heat of summer into the cooler embrace of autumn. For more detailed insights on Luoyang's climatic patterns, visit Luoyang Climate.