September Weather in Luoyang, China

Last updated: August 21, 2025

September in Luoyang, China offers a warm climate characterized by a maximum temperature reaching 35°C (96°F) and an average of 28°C (82°F), providing a balmy retreat as summer transitions into autumn. Visitors should be prepared for occasional rain, with total precipitation amounting to 172 mm (6.8 in) over approximately 20 rainy days. The high humidity level of 75% can make the warm days feel even more intense, creating a classic subtropical experience. Whether exploring the city's rich history or enjoying its lush landscapes, September is a month that beckons adventure amidst the warmth and moisture of Luoyang.

September Temperature in Luoyang

In September, Luoyang experiences a delightful transition with temperatures gradually cooling down from the sweltering summer heat. The minimum temperature settles at a comfortable 19°C (67°F), providing a pleasant start to the month. With an average of 28°C (82°F) and a maximum reaching 35°C (96°F), September strikes a perfect balance, making it an ideal time for outdoor activities and sightseeing. As the days grow shorter and the air starts to freshen, the city begins to exhibit hints of the upcoming autumn, creating a serene atmosphere that invites both locals and visitors to enjoy its rich heritage and scenic beauty.

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).
JanFebMarAprMayJunJulAugSepOctNovDec606168727982848382766961
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

In September, Luoyang experiences a notable shift in its precipitation patterns, with an average of 172 mm (6.8 in) of rainfall spread over 20 days. This month marks a transition from the heavy monsoon-like conditions of summer, as September's rainfall is significantly lower than the peak of 406 mm in June and 286 mm in August. However, it remains relatively high compared to the drier months ahead, such as October, which anticipates only 90 mm (3.6 in). With the onset of autumn, the city's rainfall decreases, yet September still showcases a lingering warmth and vitality, reflecting the tail end of Luoyang's wet season. The substantial number of rainy days this month underscores the area's dynamic climate, making September a month of both transition and endurance for local flora and fauna.

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.
JanFebMarAprMayJunJulAugSepOctNovDec3455115145226406197286172902521
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 summer transitions to autumn in Luoyang, China, September brings a noticeable dip in humidity, averaging 75%. This decrease follows a peak during the sweltering months of July and August, which both see a high of 88% humidity. In contrast, humidity levels in the earlier months of the year hover around the lower 60s, gradually climbing through spring and early summer. September's figures indicate a shift toward dryer conditions as the city prepares for October's average humidity of 65%. This trend highlights the city's climatic rhythm where the oppressive summer moisture gives way to a more comfortable and temperate atmosphere in early fall.

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.
JanFebMarAprMayJunJulAugSepOctNovDec64%68%73%71%79%77%88%88%75%65%64%69%
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 experience an extreme UV Index of 12, maintaining the high levels that characterize the late summer months. With a burn time of just 10 minutes, it's crucial for residents and visitors alike to take protective measures when outdoors. Following a trend from May through August where the UV levels spiked to 14 and 13, September marks a slight decrease but still demands vigilance. As the season transitions into autumn, the UV Index will decrease to 10 in October, indicating a shift towards safer exposure levels. However, for now, awareness and protection are key. For detailed UV forecasts, 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.
JanFebMarAprMayJunJulAugSepOctNovDec710121214121313121097
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 unfolds in Luoyang, China, residents and visitors alike can bask in the warmth of 277 hours of sunshine, a delightful continuation of the sunny spell that started in July with a striking peak of 303 hours. After a vibrant summer, where May and August also boasted impressive sunshine totals, the gentle decline into autumn still offers generous daylight, surpassing the earlier months of the year. This gradual transition, with September shining brighter than both October and November, sets the stage for a picturesque landscape, tinted with the hues of autumn while enjoying the lingering warmth of late summer days. As sunlight begins to wane in the coming months, September stands out as a golden moment in Luoyang's climatic rhythm.

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.
JanFebMarAprMayJunJulAugSepOctNovDec211h235h247h229h273h238h303h271h277h268h253h263h
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 experiences a notable uptick in sunshine, with a 39% chance of sunny weather, making it one of the brighter months compared to the summer. This rebound from the gloomy summer months, where sunshine chances plummet to a mere 10% in June and 12% in August, signals a gradual shift towards more favorable conditions. While the likelihood still lags behind the drier winter months, particularly January and February, the increasing sun in September suggests a refreshing change, inviting locals and visitors alike to enjoy the early autumn charm of 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.
JanFebMarAprMayJunJulAugSepOctNovDec65%60%33%31%22%10%29%12%39%36%60%53%
Data source: Luoyang September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Luoyang in September

In September, Luoyang, China, enjoys about 12 hours of daylight, maintaining a balance that reflects the gradual transition towards autumn. The daylight duration remains steady, similar to the months of March through August, which feature longer days as the region basks in the warmth of summer. This trend showcases a consistent daylight experience, before the onset of shorter days in October as the year progresses. The steady duration highlights a period of relative stability in natural light, allowing residents to savor the fading warmth of summer while preparing for the cooler months ahead.

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 51m11h 21m12h12h 41m13h 15m13h 31m13h 23m12h 53m12h 15m11h 35m11h10h 43m
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, the wind begins to ease, with average speeds dropping to a gentle 1.2 m/s (3 mph). This marks the softest breezes of the year, continuing a trend of diminishing wind that started in the summer months, where July and August experienced their calmest conditions. It’s in stark contrast to the brisk winds of early spring and fall, which see average speeds climbing significantly. The transition to autumn brings a serene atmosphere, inviting locals and visitors alike to enjoy the tranquil, yet crisp September air before the winds pick up again in October. This seasonal variability highlights Luoyang’s unique climate, where peaceful September breezes eventually give way to the invigorating gusts of fall.

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.
JanFebMarAprMayJunJulAugSepOctNovDec2.41.82.01.82.01.71.61.31.2 m/s2.72.32.5
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.

When comparing the weather in September and January, a stark contrast emerges. September features warm temperatures, with a minimum of 19°C (67°F) and an average of 28°C (82°F), reaching highs of up to 35°C (96°F). This month also experiences significant rainfall, totaling 172 mm (6.8 in) over approximately 20 days, along with a humidity level of 75%. In contrast, January presents a much cooler climate, with minimum temperatures dropping to 1°C (34°F) and an average of 15°C (60°F). The maximum temperature in January is a mild 28°C (83°F), but precipitation is minimal, totaling just 34 mm (1.3 in) over about 3 days, and the humidity decreases to 64%. For more detailed insights, you can check Luoyang weather in January.

September and February present a stark contrast in weather patterns. In September, temperatures soar with a minimum of 19°C (67°F) and an average high of 28°C (82°F), frequently reaching up to 35°C (96°F). This month also experiences significant rainfall, accumulating 172 mm (6.8 in) over 20 days, accompanied by high humidity levels at 75%. Conversely, February offers a much cooler climate, with temperatures ranging from a minimum of 3°C (38°F) to an average of 16°C (61°F), and peaking at 31°C (87°F). Precipitation is notably lower at 55 mm (2.2 in) spread over just 8 days, along with a slightly reduced humidity of 68%. For a deeper insight into the February weather, you can check Luoyang weather in February.

September and March present contrasting weather patterns. In September, temperatures are notably warmer, with minimums around 19°C (67°F) and maximums soaring to 35°C (96°F), while the average settles at 28°C (82°F). However, this month is also characterized by higher humidity levels at 75% and considerable rainfall, accumulating 172 mm (6.8 in) over about 20 days. In contrast, March experiences cooler conditions, with minimum temperatures dropping to 7°C (45°F) and maximums reaching 32°C (90°F), leading to a more moderate average of 20°C (68°F). Precipitation in March is less, totaling 115 mm (4.5 in) and occurring over 15 days, with humidity slightly lower at 73%. For more details, check out Luoyang weather in March.

September and April present quite distinct weather patterns. In September, the temperatures range from a minimum of 19°C (67°F) to a maximum of 35°C (96°F), with an average of 28°C (82°F). The month is characterized by significant rainfall, with 172 mm (6.8 in) over about 20 days, and a humidity level of 75%. In contrast, April experiences cooler temperatures, with a minimum of 10°C (50°F) and a maximum of 34°C (93°F), averaging 22°C (73°F). The precipitation is slightly lower at 145 mm (5.7 in) over 15 days and a humidity level of 71%. For more specific details, you can check Luoyang weather in April.

In comparing the weather between September and May, it’s evident that both months experience warm temperatures, but with some notable differences. September generally has a higher average temperature of 28°C (82°F) compared to May's average of 26°C (79°F). However, May boasts a slightly cooler minimum temperature of 15°C (59°F) versus September's minimum of 19°C (67°F). Precipitation is more pronounced in May, with 226 mm (8.9 in) over 22 days, making it the wetter month compared to September's 172 mm (6.8 in) across 20 days. Humidity levels are also slightly elevated in May at 79% compared to 75% in September. For a detailed look at May weather, you can visit Luoyang weather in May.

When comparing the weather in September to that of June, both months exhibit warm average temperatures around 28°C (82°F). However, September typically features a lower minimum temperature of 19°C (67°F) compared to June's minimum of 22°C (72°F). In terms of extremes, June reaches a maximum of 36°C (97°F), slightly higher than September's maximum of 35°C (96°F). Additionally, June experiences significantly more rainfall, with a total of 406 mm (16.0 in) over 26 days, whereas September has only 172 mm (6.8 in) of precipitation spread over 20 days. Humidity levels are also quite similar, with June at 77% and September at 75%. For more detailed information, you can check Luoyang weather in June.

In comparing the weather between September and July, we observe notable differences in temperature and humidity. September has a minimum temperature of 19°C (67°F) and an average of 28°C (82°F), while July features warmer conditions with a minimum of 24°C (75°F) and an average of 29°C (84°F). July also experiences higher maximum temperatures, reaching up to 37°C (98°F) compared to September's peak at 35°C (96°F). Furthermore, July shows greater precipitation, totaling 197 mm (7.8 in) over 24 days, compared to September’s 172 mm (6.8 in) over 20 days, along with higher humidity levels of 88% versus September's 75%. This indicates that July is not only warmer but also more humid and rainier, which can impact outdoor activities. For a detailed look at the weather specifics, you can check Luoyang weather in July.

In comparing the weather patterns of September and August, September offers slightly cooler temperatures with a minimum of 19°C (67°F) and a maximum of 35°C (96°F), while August experiences a higher minimum of 23°C (74°F) and peaks at 37°C (99°F). Both months have an average temperature around the mid-28°C (82°F to 83°F) range. However, September sees a significant reduction in rainfall, totaling 172 mm (6.8 in) over 20 days compared to August’s 286 mm (11.3 in) spread over 25 days. Additionally, humidity levels are lower in September at 75%, compared to August's more oppressive 88%. For a deeper look at the August climate, you can check out Luoyang weather in August.

In comparing the weather of September and October, we see a notable shift in temperature and precipitation. September boasts higher average temperatures, with minimums around 19°C (67°F) and maximums reaching 35°C (96°F), while October experiences cooler temperatures, dropping to a minimum of 14°C (57°F) and an average of 24°C (76°F). Additionally, September is significantly wetter, with 172 mm (6.8 in) of rain over 20 days, compared to October's 90 mm (3.6 in) over just 8 days. Humidity also sees a decrease from 75% in September to 65% in October. For more detailed insights, you can check Luoyang weather in October.

September and November present a stark contrast in weather conditions. In September, the temperatures are notably warmer, with minimums around 19°C (67°F) and highs reaching up to 35°C (96°F). The humidity is high at 75%, contributing to a sweltering feel, along with significant rainfall totaling 172 mm (6.8 in) spread over 20 days. In contrast, November offers a cooler climate with minimum temperatures dropping to 12°C (53°F) and an average of 21°C (70°F), peaking at a maximum of 31°C (88°F). The precipitation significantly decreases to just 25 mm (1.0 in) over only 4 days, and the humidity drops to a more comfortable 64%. For more details, you can check out Luoyang weather in November.

September and December present strikingly different weather patterns. In September, temperatures range from a minimum of 19°C (67°F) to a maximum of 35°C (96°F), with an average of 28°C (82°F). The month is characterized by high humidity at 75% and frequent rain, accumulating 172 mm (6.8 in) over about 20 days. In contrast, December sees much cooler temperatures, with a minimum of 6°C (42°F), an average of 16°C (61°F), and a maximum of 29°C (84°F). This month experiences significantly less precipitation, totaling just 21 mm (0.8 in) over 4 days, and a slightly lower humidity level of 69%. For a deeper look at how the climate shifts, you can explore Luoyang weather in December.

Compare Luoyang's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Luoyang

As September rolls in, Luoyang experiences a notable shift in weather that sets it apart from the peak summer months. While the warmth lingers, with average temperatures still reaching a comfortable 28°C, the onset of greater humidity and increased precipitation—over half the month seeing rain—creates a more tropical feel. This blend of warmth and moisture not only fosters lush landscapes but also encourages a slower pace of life as the city transitions towards autumn. For those planning a visit, it's essential to be prepared for both sun and rain. To learn more about the city's climate throughout the year, check out Luoyang Climate.