September Weather in Luoyang, China

Last updated: August 21, 2025

September in Luoyang, China brings a tropical flair, with maximum temperatures soaring up to 35°C (95°F) and an average of 24°C (76°F). As the summer heat begins to wane, nighttime dips to a comfortable 15°C (59°F), offering a pleasant respite. While the city receives about 95 mm (3.8 in) of rain across 9 days, humidity remains relatively high at 68%, lending a lush green vibe to the landscape. This transitional month captures the essence of late summer blending into early autumn, making it an intriguing time to explore Luoyang’s rich culture and history.

September Temperature in Luoyang

As September unfolds in Luoyang, China, the temperatures begin to shift, showcasing a delightful transition from the sweltering summer months. With a minimum of 15°C (59°F) and a comfortable average temperature of 24°C (76°F), the month offers a pleasant reprieve from the heat. The maximum can soar up to 35°C (95°F), hinting at the lingering warmth of summer while gradually welcoming the cooler autumn air. This blend of mild and warm days not only makes September an ideal time for outdoor activities but also heralds the changing seasons, laying the groundwork for the crisp, refreshing days of October ahead.

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).
JanFebMarAprMayJunJulAugSepOctNovDec394454637178828375635443
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

In September, Luoyang experiences a noteworthy transition in precipitation, receiving 95 mm (3.8 in) of rain over 9 days. This marks a significant decrease from the peak 210 mm (8.3 in) recorded in July, indicating the onset of a drier season as summer gives way to autumn. The rainfall is well-distributed, allowing for a moderate and consistent hydration of the landscape, which contrasts sharply with the heavier downpours of the preceding months. As the year progresses, the city shifts towards drier conditions, with October's precipitation further dipping to 63 mm (2.5 in). This gradual decline not only highlights the seasonal changes in Luoyang's climate but also prepares the region for the cooler, more arid months ahead.

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.
JanFebMarAprMayJunJulAugSepOctNovDec39357810513617721012595634217
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 notable drop in humidity, with levels falling to 68%. This decline marks a refreshing shift from the sultry summer months, where humidity peaks at an average of 87% in July. As autumn approaches, the air becomes crisp and comfortable, setting the stage for more pleasant outdoor activities. Previously, the humidity hovered in the low to mid-80s from March through August, creating a distinctive pattern that transitions to slightly drier conditions as the year progresses. Following September, humidity begins to rise again, indicating a gradual return to the moister air typical of the later months. This seasonal fluctuation not only influences the local climate but also enhances Luoyang's picturesque autumn scenery.

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.
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 Luoyang

In September, Luoyang, China experiences a UV Index of 10, categorizing it as very high and necessitating caution for sun exposure. This trend follows a peak in the summer months, where the UV Index reached extreme levels of 11 and 12 in July and August. As the seasons transition, September offers slightly more leniency with a burn time of just 15 minutes, making it essential for residents and visitors alike to remain vigilant, especially during midday sun. Compared to earlier months where the UV levels began rising from 5 in January and February to the extreme heights of summer, the September index signals a gradual decrease but still demands protective measures. Understanding these trends is crucial for health and safety; for more information, 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.
JanFebMarAprMayJunJulAugSepOctNovDec55891011121110864
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 September arrives in Luoyang, China, the city basks in 254 hours of radiant sunshine, marking a refreshing transition from the peak summer months. This month sees a noticeable drop from August's impressive 302 hours, yet it remains a robust performance compared to the earlier part of the year. The trend clearly indicates that while summer days bring heightened brightness, autumn still offers a generous share of sunlight. As temperatures cool and the leaves start to turn, September’s sun still shines brightly, inviting residents and visitors alike to enjoy the outdoors before the shorter days of fall set in.

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.
JanFebMarAprMayJunJulAugSepOctNovDec182h223h240h243h276h283h299h302h254h219h226h234h
Data source: Luoyang September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Luoyang During September

As September rolls into Luoyang, China, the likelihood of sunny weather takes a notable leap, reaching an impressive 60%. This marks a significant rise from the earlier months, where the chances of clear skies linger around the lower end of the spectrum, with April and May dipping to just 19% and 22% respectively. Following the dim summer months, September shines brightly, providing a delightful transition into autumn. The surge in sunny days not only invites outdoor activities but also showcases the city's rich historical backdrop under the warm embrace of the sun, making it an ideal time for exploration.

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.
JanFebMarAprMayJunJulAugSepOctNovDec49%46%28%19%22%31%33%31%60%42%59%64%
Data source: Luoyang September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Luoyang in September

As September arrives in Luoyang, China, the city enjoys a pleasurable 12 hours of daylight, marking a gentle transition from the sun-drenched days of summer. The daylight duration peaks in June with a blissful 14 hours, before gradually tapering off through the fall months. After basking in 13 hours during the height of summer, September signals the gradual descent towards shorter days, aligning with the seasonal shift towards autumn. This rhythmic dance of daylight—starting at 10 hours in January and peaking mid-year—highlights a clear trend of increasing sunlight from winter to summer, followed by a soft decline as the year progresses.

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 19m11h 2m11h 59m12h 56m13h 45m14h 9m13h 57m13h 15m12h 19m11h 22m10h 32m10h 6m
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 city experiences a gentle breeze with an average wind speed of 2.6 m/s (6 mph), mirroring the calmness of the preceding months. This stability hints at a transitional period where the cooler autumn air starts to settle in, paving the way for a noticeable increase in wind speeds as October approaches, reaching up to 3.1 m/s (7 mph). Earlier summer months like June and August recorded slightly lower gusts, around 2.1 to 2.3 m/s (5 mph), suggesting the summer heat often dulled the winds. However, September finds a sweet spot, not only reflecting a slight uptick in blustery activity, but also serving as a prelude to the more invigorating winds that autumn will bring in the following month.

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.
JanFebMarAprMayJunJulAugSepOctNovDec2.52.62.72.72.62.12.52.32.6 m/s3.12.62.3
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.

In September, the weather is warm, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 35°C (95°F), resulting in an average of 24°C (76°F). The month experiences higher precipitation, totaling 95 mm (3.8 in) over about 9 days, with a humidity level around 68%. In contrast, January presents a much colder climate, with temperatures fluctuating between a minimum of -9°C (16°F) and a maximum of 18°C (65°F), averaging just 4°C (39°F). Precipitation is lower at 39 mm (1.5 in) over 5 days, and humidity slightly increases to 71%. For more detailed information, you can check Luoyang weather in January.

September and February present contrasting weather experiences. In September, temperatures range from a mild 15°C (59°F) to a steamy high of 35°C (95°F), with an average of 24°C (76°F). This month sees a total precipitation of 95 mm (3.8 in) over 9 days, accompanied by a humidity level of 68%. In stark contrast, February brings much cooler weather, with temperatures ranging from a frigid -7°C (20°F) to a pleasant 27°C (80°F) and an average of just 7°C (44°F). Precipitation is notably lower at 35 mm (1.4 in) over 7 days, and humidity rises to 75%. For more details about February weather conditions, you can check out Luoyang weather in February.

September and March present contrasting weather patterns. In September, temperatures range from a pleasant minimum of 15°C (59°F) to a maximum of 35°C (95°F), with an average of 24°C (76°F). The month sees about 95 mm (3.8 in) of precipitation over approximately 9 days, coupled with a moderate humidity level of 68%. In contrast, March experiences cooler conditions, with temperatures starting at a minimum of 2°C (36°F) and peaking at 28°C (83°F), averaging around 12°C (54°F). Precipitation is slightly lower at 78 mm (3.1 in) but occurs over more days, totaling 11 days, while humidity is higher at 84%. For a detailed overview, you can check out Luoyang weather in March.

When comparing the weather in September and April, there are notable differences in temperature and humidity. September boasts warmer temperatures, with averages reaching 24°C (76°F) and highs of 35°C (95°F), while in April, the averages drop to 17°C (63°F) with a maximum of 31°C (88°F). Additionally, April experiences higher humidity levels at 85%, compared to September's 68%. Precipitation is somewhat similar, with September receiving 95 mm (3.8 in) over 9 days and April seeing 105 mm (4.1 in) over 8 days. For more on April weather specifics, you can visit Luoyang weather in April.

In September, the weather is typically warmer, with average temperatures around 24°C (76°F) and a maximum of 35°C (95°F), while May is slightly cooler with an average of 22°C (71°F) and a max of 34°C (94°F). However, May experiences higher humidity at 82%, compared to September’s 68%. Rainfall is also more significant in May, with 136 mm (5.3 in) over 10 days, while September sees 95 mm (3.8 in) across 9 days. For a more detailed look at May weather, you can check Luoyang weather in May.

In September, the weather tends to be slightly cooler than in June, with average temperatures ranging from a minimum of 15°C (59°F) to a maximum of 35°C (95°F), compared to June's slightly warmer range of 16°C (61°F) to 35°C (95°F). While both months can experience the same maximum temperature, September enjoys an average temperature of 24°C (76°F), which is a bit lower than June's average of 26°C (79°F). Precipitation is notably less in September, totaling 95 mm (3.8 in) over 9 days, whereas June sees much heavier rain at 177 mm (7.0 in) over 12 days, contributing to a higher humidity level of 83% in June compared to 68% in September. For further details, you can refer to Luoyang weather in June.

In comparing the weather between September and July, September experiences milder conditions with average temperatures ranging from a minimum of 15°C (59°F) to a maximum of 35°C (95°F), while July boasts warmer highs, averaging between 20°C (69°F) and 37°C (99°F). Additionally, September sees less precipitation at 95 mm (3.8 in) over about 9 days, in contrast to July's heavier rainfall of 210 mm (8.3 in) spread over 15 days. Moreover, humidity levels are generally lower in September at 68%, compared to July's higher and more oppressive humidity of 87%. For more details on the climate in July, you can refer to Luoyang weather in July.

In comparing the weather between August and September, it's clear that September offers slightly cooler temperatures, with a minimum of 15°C (59°F) and an average of 24°C (76°F), compared to August's minimum of 18°C (65°F) and average of 28°C (83°F). Although September sees a higher maximum temperature of 35°C (95°F) compared to August's peak of 36°C (98°F), the overall temperature range in September is more moderate. Precipitation is also reduced in September, with 95 mm (3.8 in) over 9 days, while August experiences 125 mm (4.9 in) over 13 days, indicating that September tends to be drier. Additionally, humidity levels are lower in September at 68%, compared to 83% in August, making September feel less oppressive. For a detailed look at August weather specifics, you can visit Luoyang weather in August.

September and October present a noticeable shift in weather patterns. In September, temperatures are warmer, with a minimum of 15°C (59°F) and an average of 24°C (76°F), peaking at a maximum of 35°C (95°F). The month also sees a fair amount of rainfall, totaling 95 mm (3.8 in) over 9 days, with humidity around 68%. Conversely, October brings cooler temperatures, with a minimum of 7°C (45°F) and an average of 17°C (63°F), while still reaching a maximum of 35°C (96°F) on warmer days. Precipitation decreases to 63 mm (2.5 in) over 7 days, and humidity slightly increases to 72%. For more detailed information, check out Luoyang weather in October.

September and November present a striking contrast in weather conditions. September boasts warmer temperatures, with averages around 24°C (76°F) and highs reaching up to 35°C (95°F), accompanied by significant humidity at 68% and 95 mm (3.8 in) of precipitation over 9 days. In contrast, November sees a considerable drop in temperatures, averaging only 12°C (55°F), with minimums plunging to 1°C (35°F). The precipitation during this month is also less intense, at 42 mm (1.7 in) and spanning just 6 days, while humidity increases slightly to 83%. For more information on weather specifics, you can visit Luoyang weather in November.

In September, the weather is warm and humid, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 35°C (95°F) and an average of 24°C (76°F). The month sees significant rainfall, totaling 95 mm (3.8 in) over approximately 9 days, contributing to a humidity level of 68%. In stark contrast, December experiences much cooler temperatures, with a minimum of -5°C (24°F) and a maximum of 19°C (66°F)—averaging just 6°C (43°F). Precipitation is significantly reduced to 17 mm (0.7 in) over about 5 days, accompanied by higher humidity at 79%. For more detailed information on December weather, you can visit Luoyang weather in December.

Compare Luoyang's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Luoyang

As September unfolds in Luoyang, the weather begins to shift, offering a delightful blend of warmth and occasional relief from the summer heat. With a notable average temperature that comfortably hovers around 24°C (76°F), this month strikes a harmonious balance between the sweltering highs of August and the cooler tones of autumn. Although precipitation is more frequent than in previous months, with about nine rainy days contributing to a total of 95 mm (3.8 in), the increased humidity at 68% can create a refreshing atmosphere. Overall, September serves as a transition period, making it an ideal time to explore the city’s rich cultural tapestry while enjoying the pleasant temperatures. For more in-depth information on what to expect, check out Luoyang Climate.