September Weather in Luoyang, China

Last updated: August 21, 2025

In September, Luoyang experiences a blend of warm and humid weather, with maximum temperatures soaring up to 37°C (99°F) and an average of 24°C (76°F). The month brings about 86 mm (3.4 in) of precipitation spread over 13 days, contributing to a humidity level of 67%. Visitors can expect a mix of sunny days and occasional rain, making it essential to prepare for both heat and moisture while enjoying the vibrant cultural landscape of the city.

September Temperature in Luoyang

In September, Luoyang transitions into a more moderate climate, with temperatures reflecting a welcome shift from the intense heat of summer. The minimum temperature settles at a comfortable 14°C (57°F), while the average climbs to a pleasant 24°C (76°F), making it an ideal time for outdoor explorations. Daytime highs reach 37°C (99°F), offering a lingering taste of warmth before the cooler months set in. This month marks a distinct shift from the oppressive heat of July and August, as the sweltering highs begin to ease, paving the way for crisp autumn days. Whether you're wandering through ancient sites or enjoying local cuisine, September in Luoyang promises a perfect blend of warmth and refreshment.

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).
JanFebMarAprMayJunJulAugSepOctNovDec484956637075808076665849
Data source: Temperature data for Luoyang 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 Luoyang

September in Luoyang, China, marks a significant transition in the city's precipitation patterns as the summer rains begin to wane. With an average of 86 mm (3.4 in) of rainfall over 13 days, September features a notable decrease in precipitation compared to the peak months of June and August, which recorded 315 mm (12.4 in) and 195 mm (7.7 in) respectively. This decline indicates a gradual shift towards drier conditions as the region moves into autumn. Despite the reduction, the rain still helps maintain the lush landscapes characteristic of Luoyang, making September a month of both lingering warmth and the refreshing change of season.

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.
JanFebMarAprMayJunJulAugSepOctNovDec416613010216931517719586706740
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Luoyang

In September, Luoyang experiences a noticeable shift in humidity, dropping to 67% after the peak summer months, where it often hovers above 85%. This decline marks a refreshing transition from the oppressive humidity of July and August, which reached highs of 88% and 85%, respectively. As autumn approaches, the air becomes crisper, providing a welcome relief for residents and visitors alike. The humidity levels continue to stabilize into the fall, reflecting an overall downward trend that sets the stage for October’s slightly elevated 72%. As the seasons change, Luoyang’s climate shifts from the heavy moisture of summer to the more temperate conditions of autumn, making September a pleasant month to enjoy the city's beauty.

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.
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 Luoyang

In September, Luoyang, China, continues to bask in high levels of solar intensity, with a UV Index of 12 categorized as extreme. This trend reflects the peak summer months of June to August, where the UV Index remained at 13. As the summer fades, September maintains a brief yet intense exposure, necessitating caution due to a burn time of just 10 minutes. The decreasing trend is highlighted as October ushers in a slightly lower UV Index of 9, indicating a transition towards milder conditions. For more insights on Luoyang's UV exposure throughout the year, check out the comprehensive guide here: 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.
JanFebMarAprMayJunJulAugSepOctNovDec6911121313131312986
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

As summer fades into autumn, the city of Luoyang, China, enjoys a delightful September, basking in 261 hours of sunshine. This month stands out as a transition point, showcasing slightly less sunlight than the peak of August’s impressive 298 hours, yet still significantly brighter than the winter months. The trend over the year reveals an ascending curve from January's modest 176 hours to July's sun-drenched 288 hours, before gradually tapering off into the fall. September's abundant sunshine is a reminder of the warm afterglow of summer, setting a perfect backdrop for the rich history and vibrant culture of Luoyang to shine through.

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.
JanFebMarAprMayJunJulAugSepOctNovDec176h207h217h244h265h217h288h298h261h237h213h206h
Data source: Luoyang September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Luoyang During September

September in Luoyang, China, offers a notable shift in weather patterns, presenting a 37% chance of sunny days. This marks an improvement compared to the summer months, where the likelihood of sunshine dips to a low of 8% to 16% between June and August. As the oppressive heat of summer fades, September emerges as a more favorable time for outdoor activities, striking a balance with a likelihood of cloudy days. Interestingly, the overall chance of sun gradually increases from the depths of summer, hinting at a slow transition towards autumn. With October following closely at 21%, September serves as a bridge, welcoming more pleasant weather as the year progresses.

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.
JanFebMarAprMayJunJulAugSepOctNovDec54%39%22%24%11%8%12%16%37%21%35%46%
Data source: Luoyang September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Luoyang in September

As summer fades into autumn, September in Luoyang, China, offers a delightful transition with 12 hours of daylight. This marks a gentle decline from the summer peak of 13 hours seen from June through August. The month serves as a bridge between the longer days of summer and the shorter daylight hours ahead in October, which will see only 11 hours. With daylight gradually receding, September invites residents and visitors alike to savor the last remnants of summer while embracing the cooler, refreshing air of the approaching fall, making it an ideal time for outdoor activities and exploration.

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 36m11h 12m11h 59m12h 48m13h 29m13h 49m13h 39m13h 4m12h 17m11h 29m10h 47m10h 25m
Data source: Luoyang daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Luoyang

As September graces Luoyang, the subtle whisper of the wind, averaging a gentle 1.3 m/s (3 mph), signals a transition into the cooler autumn months. Throughout the year, wind speeds in this historic city exhibit a gentle rhythm, peaking in July with a slight increase to 1.9 m/s (4 mph) before tapering off as summer wanes. The consistent breezes from January through August hover around 1.4 to 1.6 m/s, creating a soothing atmosphere, while September’s stately calm hints at the changing season. As October approaches, wind speeds again ascend, promising the invigorating embrace of fall. This delicate dance of air flow not only enhances Luoyang's charm but also embodies the serene beauty of its ever-evolving landscape.

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.
JanFebMarAprMayJunJulAugSepOctNovDec1.61.61.61.41.51.41.91.31.3 m/s1.91.51.6
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 stark contrasts in weather. In September, temperatures range from a mild 14°C (57°F) at night to a sweltering 37°C (99°F) during the day, with an average of 24°C (76°F). This month also sees significant rainfall, totaling 86 mm (3.4 in) over 13 days, accompanied by a humidity level of 67%. In contrast, January experiences much colder conditions, with temperatures dropping to a minimum of -5°C (24°F) and peaking at 26°C (79°F), averaging just 9°C (48°F). Rainfall is lighter, totaling only 41 mm (1.6 in) over 8 days, with slightly lower humidity at 66%. For a detailed overview of January weather, you can refer to Luoyang weather in January.

September and February present contrasting weather patterns. In September, temperatures range from a milder 14°C (57°F) to a scorching high of 37°C (99°F), with an average of 24°C (76°F). The month is characterized by significant rainfall, totaling 86 mm (3.4 in) over about 13 days, alongside a humidity level of 67%. In contrast, February showcases a chilly climate, with temperatures dropping to a minimum of -6°C (22°F) and peaking at 27°C (81°F), averaging around 9°C (49°F). This month sees less precipitation at 66 mm (2.6 in) across 10 days, and a slightly higher humidity of 71%. For more details on February weather, you can visit Luoyang weather in February.

In September, temperatures are considerably warmer, ranging from a minimum of 14°C (57°F) to a maximum of 37°C (99°F), with an average of 24°C (76°F). The month experiences moderate precipitation, totaling 86 mm (3.4 in) over about 13 days, and the humidity level sits at 67%. In contrast, March sees much cooler temperatures with a minimum of 0°C (31°F) and a maximum of 29°C (85°F), averaging at 13°C (57°F). Rainfall is more pronounced in March, with total precipitation of 130 mm (5.1 in) distributed over 16 days and a higher humidity of 81%. For more detailed insights into the March climate, you can visit Luoyang weather in March.

When comparing the weather in September and April, we see distinct differences in temperature and humidity levels. September tends to be warmer, with average temperatures around 24°C (76°F) and maximums reaching up to 37°C (99°F). In contrast, April offers a cooler climate, with average temperatures of 17°C (63°F) and maximums peaking at 33°C (91°F). Precipitation is relatively high in both months; however, April experiences slightly more rainfall at 102 mm (4.0 in) over 15 days compared to September's 86 mm (3.4 in) over 13 days. Additionally, April’s humidity is higher at 84%, compared to September's 67%. For a more detailed overview, check out Luoyang weather in April.

When comparing the weather in September and May, notable differences emerge in temperature and precipitation patterns. September experiences warmer average temperatures, with a minimum of 14°C (57°F) and a maximum of 37°C (99°F), compared to May’s cooler temperatures, which range from a minimum of 7°C (46°F) to a maximum of 37°C (98°F). In terms of precipitation, May is significantly wetter, receiving 169 mm (6.6 in) over 16 days, whereas September has only 86 mm (3.4 in) over 13 days. Additionally, May tends to be more humid at 87%, compared to September's 67%. For more details on the weather in May, visit Luoyang weather in May.

When comparing the weather in September and June, both months exhibit similar minimum and average temperatures, with minimums around 14°C (57°F) and averages at 24°C (76°F). However, September tends to have slightly higher maximum temperatures, reaching up to 37°C (99°F), compared to June's peak of 36°C (98°F). Rainfall is a significant difference between the two months, with June experiencing much more precipitation at 315 mm (12.4 in) over 20 days, contrasted with September's 86 mm (3.4 in) over just 13 days. Additionally, humidity levels are higher in June at 84% compared to September's 67%. For a detailed look at June weather patterns, you can visit Luoyang weather in June.

In comparing the weather of September and July, September tends to be milder with an average temperature of 24°C (76°F), while July is typically warmer, averaging 27°C (81°F). July also experiences higher temperatures, with maximums reaching up to 38°C (100°F) compared to September's maximum of 37°C (99°F). Additionally, July sees significantly more precipitation, with 177 mm (7.0 in) spread over 18 days, contrasting to September's 86 mm (3.4 in) across 13 days. Furthermore, humidity levels are higher in July at 88%, compared to September's 67%. For more detailed information, you can check Luoyang weather in July.

Comparing the weather between September and August reveals some notable differences. In September, the minimum temperature drops to 14°C (57°F), while the average temperature is a comfortable 24°C (76°F), and the maximum remains the same as August at 37°C (99°F). However, September experiences significantly less precipitation, with 86 mm (3.4 in) over 13 days, compared to August's 195 mm (7.7 in) over 21 days. Humidity also decreases in September to 67%, compared to August's higher humidity level of 85%. For a more detailed look at August's weather, you can visit Luoyang weather in August.

September weather tends to be warmer, with average temperatures around 24°C (76°F) and highs reaching up to 37°C (99°F), while October sees a noticeable drop in temperature, averaging 19°C (66°F) with maximums around 34°C (94°F). Precipitation in September is higher, totaling 86 mm (3.4 in) over 13 days, compared to October's 70 mm (2.8 in) over just 9 days. Interestingly, humidity levels rise slightly in October, reaching 72%, up from September's 67%. For more detailed information, you can check Luoyang weather in October.

In comparing the weather of September and November, we observe a significant drop in temperatures. September experiences warmer conditions with a minimum of 14°C (57°F) and an average high of 37°C (99°F), while November sees much cooler temperatures, ranging from a minimum of 3°C (38°F) to an average max of 31°C (87°F). Additionally, September receives more rainfall with 86 mm (3.4 in) over 13 days, compared to November's 67 mm (2.6 in) over just 10 days. Humidity also increases slightly from 67% in September to 77% in November. For more details, you can check Luoyang weather in November.

September and December present a stark contrast in weather conditions. In September, temperatures can range from a mild 14°C (57°F) to a scorching 37°C (99°F), with an average of 24°C (76°F), alongside notable humidity at 67%. This month sees frequent rainfall, with precipitation occurring on about 13 days totaling 86 mm (3.4 in). Conversely, December brings a chillier climate, where temperatures dip to a minimum of -3°C (27°F) and average only 9°C (49°F), reaching a maximum of 29°C (84°F). Although December experiences less rainfall, with only 40 mm (1.6 in) over 9 days, the humidity creeps up to 80%. For more details, you can check Luoyang weather in December.

Compare Luoyang's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Luoyang

In September, Luoyang experiences a notable transition from the intense heat of summer, with its maximum temperatures giving way to more moderate averages. You'll find the weather more comfortable, marked by a warm average of 24°C, despite occasional spikes into the high 30s. However, this month also welcomes an increase in precipitation, adding a refreshing layer of humidity that sets it apart from the drier summer months. With approximately 13 rainy days, it's a time when the lushness of the landscape returns, inviting visitors to explore the vibrant scenery. For a comprehensive overview, check out Luoyang Climate.