September Weather in Yulong, China

Last updated: August 21, 2025

Experience the vibrant September weather in Yulong, China, where the region basks in warm temperatures with a maximum of 35°C (95°F) and a pleasant average of 24°C (75°F). As the summer heat gradually gives way to autumn, nighttime temperatures dip to a refreshing minimum of 15°C (58°F). This month witnesses an average rainfall of 85 mm (3.3 in) across approximately 9 days, contributing to the lush landscapes surrounding the area. With humidity levels hovering around 79%, visitors can enjoy the rich natural beauty of Yulong while soaking in the warm yet comfortable climate.

September Temperature in Yulong

In September, Yulong, China, experiences a delightful transition as temperatures begin to cool from the summer peak. With minimums of 15°C (58°F) and averages around 24°C (75°F), the days remain pleasantly warm, perfect for outdoor activities. The maximum temperature reaches 35°C (95°F), marking the tail end of summer's heat, yet the evenings grow notably cooler as autumn approaches. This month serves as a beautiful bridge between the hotter summer months and the crisp fall season, making it an ideal time to explore the region’s natural beauty before the chill of October sets in.

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

The chart illustrates September temperature patterns in Yulong, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yulong, 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).
JanFebMarAprMayJunJulAugSepOctNovDec384050586976818275635441
Data source: Temperature data for Yulong 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 Yulong

September in Yulong, China, brings moderate precipitation with an average of 85 mm (3.3 in) over 9 days. This month marks a noticeable decrease from the intense downpours of July and August, which recorded 244 mm and 149 mm respectively. As the region transitions into autumn, the rainfall becomes more manageable, creating a pleasant balance in the climate. Compared to the earlier summer months, September's precipitation acts as a gentle reminder of the seasonal shift, contributing to the lush landscapes while allowing for clearer days to bask in the beauty of nature. Overall, the trend suggests that while September experiences significant rainfall, it also signifies a gradual tapering off as the year approaches its end.

September Precipitation Trends in Yulong

The chart displays monthly precipitation patterns in Yulong, 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 Yulong, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec3832484810612024414985533731
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Yulong

In Yulong, China, September marks a notable shift in humidity levels, with the average dropping to 79% after the peak summer months. This reduction follows a steady rise from 67% in January to a humid 95% in July, creating a contrast to the oppressive warmth of mid-summer. As autumn approaches, humidity gently tapers off to 76% in October and 73% by December, suggesting a return to more comfortable conditions. This seasonal fluctuation highlights the region's transition from the sweltering heat of summer to the cool, crisp air of fall, making September a refreshing reprieve in the annual cycle of humidity.

September Average Humidity in Yulong

This chart illustrates the average monthly humidity levels in Yulong, 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 Yulong is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec67%69%79%86%87%90%95%92%79%76%77%73%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Yulong

In September, Yulong, China, experiences a very high UV Index of 10, indicating that sun protection is essential during outdoor activities. This trend marks a continuation of the intense UV exposure seen in the summer months of July and August, both of which were at an extreme level of 11. Interestingly, as the month progresses towards autumn, the UV levels start to decline from the intense summer peaks, yet still remain a concern for sun safety. With a burn time of just 15 minutes, it’s crucial to shield your skin from potential damage. For detailed insights on UV exposure throughout the year, check out the Yulong UV Index.

Maximum UV Index Levels in Yulong for September

The chart shows the monthly maximum UV Index (UVI) for Yulong 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 Yulong typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46891010111110753
Data source: Yulong 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 Yulong

In Yulong, China, September brings a delightful transition from the summer’s peak sunshine, with the month enjoying 276 hours of sunlight. As the summer days begin to wane, the sunshine hours gracefully taper off from an impressive 312 hours in August, showcasing a seasonal trend where the brightness peaks in mid-year before giving way to the cooler months. This pattern highlights a gradual decline in daylight, as we observe days growing shorter leading into October's 248 hours. Notably, September’s generous sunshine still outshines the earlier months, particularly the winter months of November and December, each averaging around 226 hours. This transition not only brightens the landscape but also signals the onset of autumn, inviting both locals and visitors to revel in the warm, golden light of early fall.

Monthly Sunshine Duration in Yulong: September Highlighted

The September sunshine duration represents the total number of hours Yulong 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.
JanFebMarAprMayJunJulAugSepOctNovDec174h226h271h275h295h302h295h312h276h248h226h226h
Data source: Yulong September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Yulong During September

In Yulong, China, the likelihood of enjoying sunny weather in September stands at 41%, reflecting a modest increase compared to the preceding summer months. This uptick, while still lower than the sunniest months of January and December, indicates a potential transition towards clearer skies as autumn approaches. Notably, this percentage surpasses both the dismal chances in July and the more stable figures in June and August, suggesting that September can offer a delightful respite with a hint of sunshine amidst the changing seasons. As the year progresses into the fall, it’s clear that sunny weather begins to reclaim its presence, making September a promising time for those seeking a bit of light in Yulong.

Percentage of Sunny Days in September in Yulong

The chart illustrates the percentage of sunny days in Yulong 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 Yulong experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec53%51%36%31%34%35%25%37%41%39%60%66%
Data source: Yulong September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Yulong in September

In Yulong, China, September marks a gentle transition as daylight begins to wane from the summer's peak. With 12 hours of daylight, this month strikes a balance between the longer days of June and July, which each enjoy a generous 14 hours. As autumn approaches, the daylight decreases gradually, echoing the earlier trends seen in October, November, and December, where hours of sunlight steadily reduce to just 9 hours by year’s end. This rhythm of daylight not only highlights the changing seasons but also invites residents and visitors alike to savor the remaining warmth and brightness of early fall before the shorter days take over.

Average Daylight Hours in Yulong for September

The chart illustrates the variation in daylight duration in Yulong throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 11m10h 58m11h 58m13h13h 52m14h 18m14h 5m13h 20m12h 20m11h 19m10h 25m9h 58m
Data source: Yulong daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Yulong

In September, Yulong experiences a gentle breeze with an average wind speed of 3.4 m/s (8 mph), marking a slight increase from the quieter summer months. This uptick brings a refreshing touch as the season transitions into autumn, reminiscent of the calm winds of May and March. Interestingly, the wind speeds during this month align closely with the typical late spring conditions, suggesting a certain consistency in Yulong's climate. As the winds begin to cool down slightly, following the stronger currents of July, September’s breeze offers a pleasant reminder of nature's cyclic rhythm, enticing locals and visitors alike to enjoy the outdoors amidst the beautiful scenery.

Average September Wind Speed in Yulong

The chart displays monthly wind speed patterns in Yulong, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.33.93.33.33.43.24.12.73.4 m/s3.13.22.9
Data source: Yulong September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Yulong Compares to Other Months

Weather in Yulong varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Yulong, 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 15°C (58°F) to a scorching 35°C (95°F), with an average of 24°C (75°F) and considerable humidity at 79%. This month also sees about 85 mm (3.3 in) of precipitation over 9 days, making it relatively wet. In contrast, January experiences frigid temperatures, with lows plummeting to -10°C (13°F) and a maximum of only 16°C (61°F), averaging around 3°C (38°F). The month is drier, with only 38 mm (1.5 in) of rainfall over 6 days and lower humidity levels at 67%. For more details on weather conditions, you can visit Yulong weather in January.

September and February present stark contrasts in weather conditions. September boasts warmer temperatures, with a minimum of 15°C (58°F) and an average of 24°C (75°F), reaching highs of 35°C (95°F). This month also experiences higher humidity at 79% and significant rainfall, totaling 85 mm (3.3 in) over about 9 days. In contrast, February is much colder, starting with a minimum of -6°C (22°F) and averaging only 5°C (41°F), while the maximum temperature can reach up to 25°C (78°F). Precipitation drops significantly to 32 mm (1.3 in) over 6 days, and humidity is lower at 69%. To learn more about February weather specifics, you can visit Yulong weather in February.

In September, the weather is typically warmer, with temperatures ranging from a minimum of 15°C (58°F) to a maximum of 35°C (95°F) and an average of 24°C (75°F). This month also sees more precipitation, totaling 85 mm (3.3 in) over about 9 days, while humidity remains high at 79%. In contrast, March presents a more temperate climate, with temperatures ranging from a chilly -2°C (28°F) to a pleasant maximum of 29°C (84°F) and an average of only 10°C (50°F). Precipitation is lower in March at 48 mm (1.9 in) across 6 days, yet the humidity remains consistent at 79%. For more details on the specific weather patterns in March, check out Yulong weather in March.

When comparing the weather in September and April, notable differences emerge. September typically has a warm climate with average temperatures around 24°C (75°F), peaking at a high of 35°C (95°F), while April offers cooler temperatures, averaging 15°C (59°F) and reaching a maximum of 31°C (89°F). In terms of precipitation, September experiences more rainfall, totaling 85 mm over 9 days, compared to April's 48 mm over just 6 days. Additionally, both months exhibit high humidity levels, with September at 79% and April slightly higher at 86%. For more detailed information on the weather conditions in April, you can visit Yulong weather in April.

In comparing the weather between September and May, we observe notable differences in temperature and precipitation patterns. September experiences a milder average temperature of 24°C (75°F) with maximums reaching up to 35°C (95°F), while May has a cooler average of 21°C (69°F) but can peak at a higher maximum of 36°C (98°F). Precipitation is more pronounced in May, totaling 106 mm (4.2 in) over 7 days compared to September's 85 mm (3.3 in) across 9 days, suggesting a slightly wetter experience in May. Additionally, humidity levels are higher in May at 87%, compared to 79% in September. For more detailed information on May weather in Yulong, you can check Yulong weather in May.

In comparing the weather of September and June, we see some notable differences and similarities. Both months experience a minimum temperature around 15°C (58°F), but June often records slightly higher maximum temperatures, reaching up to 37°C (98°F), compared to September's peak of 35°C (95°F). Additionally, June has a higher average temperature of 24°C (76°F) versus September's 24°C (75°F). Precipitation is also greater in June, totaling 120 mm (4.7 in) over 8 days, while September receives 85 mm (3.3 in) across 9 days. Moreover, June tends to feel more humid with a humidity level of 90%, contrasted with a 79% humidity in September. For a more detailed insight into June's weather, you can check Yulong weather in June.

In comparing September and July weather, September tends to be milder with average temperatures ranging from a minimum of 15°C (58°F) to a maximum of 35°C (95°F), while July is hotter, featuring a minimum of 18°C (65°F) and soaring up to 38°C (101°F) on average. However, July is considerably wetter, experiencing 244 mm (9.6 in) of precipitation over 17 days, compared to September's 85 mm (3.3 in) spread across 9 days. Additionally, the humidity in July is higher, sitting at 95%, compared to 79% in September. For more details on July's weather patterns, you can check Yulong weather in July.

In comparing the weather between August and September, September typically experiences a slight decrease in average temperature, with lows around 15°C (58°F) and averages peaking at 24°C (75°F), compared to August's warmer temperatures, which range from a minimum of 20°C (68°F) to an average of 28°C (82°F). While September enjoys fewer rainy days—averaging only 9 days at 85 mm (3.3 in) of precipitation—the month is still humid, with levels reaching about 79%. In contrast, August is characterized by higher humidity at 92%, coupled with more significant rainfall of 149 mm (5.9 in) over 16 days. For more detailed information about August weather, you can refer to this link: Yulong weather in August.

September weather showcases warmer temperatures, with minimums around 15°C (58°F) and averages reaching 24°C (75°F), peaking at a hot 35°C (95°F). This month experiences relatively high humidity at 79%, accompanied by 85 mm (3.3 in) of rainfall over 9 days. In contrast, October sees a significant drop in temperatures, starting at a cooler minimum of 6°C (44°F) and averaging 17°C (64°F), with a maximum of 33°C (91°F). Rainfall decreases to 53 mm (2.1 in) spread over just 6 days, and humidity remains slightly lower at 76%. For more details on October weather in Yulong, visit Yulong weather in October.

September and November present contrasting weather conditions. In September, temperatures begin at a mild minimum of 15°C (58°F) and can soar up to a scorching 35°C (95°F), averaging around 24°C (75°F). The month is also characterized by higher humidity at 79% and considerable rainfall, with about 85 mm (3.3 in) of precipitation over approximately 9 days. In stark contrast, November sees much cooler temperatures, ranging from a chilly minimum of -1°C (30°F) to a comfortable maximum of 28°C (83°F) and an average of 12°C (54°F). Rainfall decreases significantly to 37 mm (1.4 in) over just 5 days, with humidity slightly lower at 77%. For more detailed information on November weather in Yulong, you can check this link: Yulong weather in November.

September and December exhibit stark contrasts in weather patterns. September experiences a warmer climate with temperatures ranging from a minimum of 15°C (58°F) to a maximum of 35°C (95°F), averaging around 24°C (75°F). The month also sees higher humidity at 79% and considerable rainfall, totaling 85 mm (3.3 in) over approximately 9 days. In contrast, December brings a chill with temperatures dropping significantly, with a minimum of -9°C (17°F) and a maximum of 19°C (67°F), averaging just 5°C (42°F). Precipitation diminishes to 31 mm (1.2 in) over 6 days, and humidity slightly decreases to 73%. For a detailed understanding of December weather specifics, you can refer to Yulong weather in December.

Compare Yulong's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Yulong

As September unfolds in Yulong, the weather exhibits a delightful transition from the summer heat to milder autumn conditions. With temperatures averaging a comfortable 24°C (75°F), the month brings a refreshing change compared to the sweltering summer months, making it ideal for outdoor activities. Although the humidity remains relatively high at 79%, December is marked by a notable increase in rainfall, with approximately 85 mm (3.3 in) over 9 days. This month’s blend of warmth and occasional showers sets the stage for the vibrant hues of fall. For a more detailed view on what to expect during this time of year, check out Yulong Climate.