September Weather in Yulin, China

Last updated: August 21, 2025

In September, Yulin, China experiences warm and humid weather, with average temperatures hovering around 27°C (81°F). Daily highs can reach a scorching 35°C (95°F), while nighttime lows drop to a comfortable 20°C (68°F). This month is also characterized by significant precipitation, totaling 148 mm (5.8 in) across 19 days, contributing to a relative humidity level of 72%. Visitors should be prepared for a mix of sunny days and intermittent rain, making it essential to stay hydrated and bring appropriate gear for fluctuating weather conditions.

September Temperature in Yulin

In September, Yulin, China, experiences a warm transition as summer gives way to autumn. With temperatures ranging from a mild 20°C (68°F) at night to a comfortable 27°C (81°F) during the day, the heat remains palpable, but it's less intense than in the peak of summer. The maximum temperature can reach up to 35°C (95°F), mirroring August's warmth, yet the gradual cooling trend from July through September becomes evident as the month progresses. This month serves as a bridge, offering pleasant weather that invites outdoor excursions while hinting at the crispness of fall just around the corner.

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

The chart illustrates September temperature patterns in Yulin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yulin, 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).
JanFebMarAprMayJunJulAugSepOctNovDec585967727881838281746859
Data source: Temperature data for Yulin 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 Yulin

In September, Yulin, China experiences a notable shift in its precipitation patterns. With 148 mm (5.8 in) of rain falling over 19 days, September marks a significant decrease compared to the preceding months, particularly August, which recorded a peak of 275 mm (10.8 in). This drop aligns with the gradual transition into autumn, where the overall rainfall begins to taper off. The drier spell following the summer's heavy downpours is marked by a lower number of precipitation days, reflecting a trend towards less frequent, yet still substantial, rainfall as Yulin prepares for the cooler months ahead.

September Precipitation Trends in Yulin

The chart displays monthly precipitation patterns in Yulin, 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 Yulin, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec4588148185192228187275148873434
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Yulin

As summer fades, September in Yulin, China, brings a notable shift in humidity levels, dropping to 72% after the peak of the sweltering months. This decline from the oppressive 88% in August marks a transition towards more comfortable conditions as the region prepares for autumn. The humidity in September, while still significant, contributes to a more pleasant atmosphere compared to the preceding months, reflecting a broader trend of fluctuating moisture levels throughout the year. From the relatively mild 59% in January to the late summer highs, September’s figures highlight the dynamic climate of Yulin, where humidity ebbs and flows, influencing the overall weather experience.

September Average Humidity in Yulin

This chart illustrates the average monthly humidity levels in Yulin, 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 Yulin is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec59%64%65%62%76%76%88%88%72%63%62%66%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Yulin

In September, Yulin, China, experiences a UV Index of 11, categorized as extreme, with a burn time of just 10 minutes. This marks a slight decrease from the summer peak of 13 observed in both July and August, yet the intensity remains notably high. The trend throughout the year showcases a significant rise in UV exposure during the spring and summer months, peaking in May and July, and gradually declining as autumn approaches. As daylight hours shorten, October also maintains the same UV Index of 11, suggesting that while the sun's intensity gradually abates, it's still crucial to exercise caution. For more detailed insights, visit Yulin UV Index.

Maximum UV Index Levels in Yulin for September

The chart shows the monthly maximum UV Index (UVI) for Yulin 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 Yulin typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec710121213121313111187
Data source: Yulin 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 Yulin

September in Yulin, China, is a splendid month that offers 286 hours of sunshine, making it one of the sunniest times of the year. This vibrant month follows the peak summer heat of July, which boasts an impressive 297 hours, and maintains a comfortable brightness, just slightly trailing behind August's 275 hours. As the days begin to shorten, subtler light hues grace the sky, creating a perfect backdrop for the transition into autumn. The consistent availability of sunshine throughout the warmer months—from the 173 hours seen in January to the awakening springtime of 214 hours in April—hints at the region's evolving climate, inviting outdoor adventures and picturesque moments as nature begins its breathtaking transformation.

Monthly Sunshine Duration in Yulin: September Highlighted

The September sunshine duration represents the total number of hours Yulin 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.
JanFebMarAprMayJunJulAugSepOctNovDec173h207h182h214h279h270h297h275h286h263h240h238h
Data source: Yulin September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Yulin During September

In Yulin, China, September brings a noteworthy 41% likelihood of sunny weather, suggesting a favorable transition from the heavier clouds of summer. As the months progress, it's interesting to note that sunny days start to creep back into the weather pattern after the peak wetness of the summer, notably contrasting the dismal probabilities of June and August, which see chances drop as low as 13% and 15%, respectively. Following September, the outlook improves slightly into October at 44%, hinting at a gradual climb towards sunnier days as autumn sets in. This trend indicates that while September may not be the sunniest month, it offers a reasonably good chance for those looking to enjoy clearer skies.

Percentage of Sunny Days in September in Yulin

The chart illustrates the percentage of sunny days in Yulin 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 Yulin experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec48%55%22%20%28%13%27%15%41%44%53%49%
Data source: Yulin September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Yulin in September

As summer gives way to autumn, September in Yulin, China experiences a satisfying balance in daylight, offering about 12 hours of sunlight each day. This duration begins to taper off as it follows the peak of 13 hours seen during the vibrant months of May through July. With each month transitioning from the longer days of summer, September marks a subtle shift, ushering in a season where daylight is balanced, hinting at the upcoming shorter days of October. The gradual decline in daylight from summer to autumn creates a rhythm that prepares the region for the cozy, cooler months ahead.

Average Daylight Hours in Yulin for September

The chart illustrates the variation in daylight duration in Yulin throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 54m11h 23m12h 1m12h 40m13h 13m13h 29m13h 21m12h 52m12h 15m11h 36m11h 2m10h 45m
Data source: Yulin daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Yulin

As September arrives in Yulin, China, the wind begins to whisper softly, with an average speed of just 1.4 m/s (3 mph). This marks a distinct shift from the more lively breezes experienced in the earlier months. The wind speeds have gradually decreased since August, which itself saw a gentle flow of 1.8 m/s (4 mph). A noticeable dip underscores a transition into the autumn season, leading us into October, where the winds regain vigor at 3.5 m/s (8 mph). The data paints a clear picture of a landscape where September serves as a tranquil pause, before the brisk winds herald the arrival of fall.

Average September Wind Speed in Yulin

The chart displays monthly wind speed patterns in Yulin, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.52.12.72.32.62.52.21.81.4 m/s3.52.72.7
Data source: Yulin September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Yulin Compares to Other Months

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

September and January present a stark contrast in weather patterns. In September, temperatures range widely from a minimum of 20°C (68°F) to a maximum of 35°C (95°F), with an average of 27°C (81°F). The month also sees considerable rainfall, accumulating 148 mm (5.8 in) over 19 days, coupled with high humidity levels at 72%. In contrast, January features much cooler temperatures, with a minimum of 2°C (36°F) and a maximum of 27°C (81°F), averaging just 14°C (58°F). Precipitation decreases significantly to 45 mm (1.8 in) over only 8 days, and humidity drops to 59%. For more detailed information, check out Yulin weather in January.

In September, the weather tends to be quite warm, with minimum temperatures around 20°C (68°F) and average highs reaching up to 35°C (95°F). The month is also characterized by high humidity levels at 72% and frequent precipitation, with rain falling on 19 days for a total of 148 mm (5.8 in). In contrast, February offers a much cooler atmosphere, with minimum temperatures dropping to 3°C (38°F) and average highs around 28°C (83°F). This month experiences significantly less rainfall, totaling 88 mm (3.5 in) over just 10 rainy days, along with a lower humidity level of 64%. For more detailed information about February weather patterns, visit Yulin weather in February.

In September, the weather is characterized by warmer temperatures, with a minimum of 20°C (68°F) and an average high reaching up to 35°C (95°F). This month experiences 148 mm (5.8 in) of precipitation over 19 days, coupled with relatively high humidity at 72%. In contrast, March is noticeably cooler, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 30°C (86°F) and an average of 19°C (67°F). Despite the same total precipitation of 148 mm (5.8 in), March sees slightly more rainy days at 21 and has lower humidity at 65%. For more detailed information about the weather in March, you can visit Yulin weather in March.

In September, the weather is typically warmer, with an average temperature of 27°C (81°F) and maximums reaching up to 35°C (95°F), while April sees a cooler average of 22°C (72°F) and a maximum of 33°C (91°F). Both months experience significant precipitation, with September receiving 148 mm (5.8 in) over 19 days and April slightly higher at 185 mm (7.3 in) across 18 days. Humidity levels are also higher in September at 72%, compared to April's 62%. For more detailed insights into April's weather, check out Yulin weather in April.

In comparing the weather of September and May, we find that September generally features warmer temperatures, with a minimum of 20°C (68°F) and an average of 27°C (81°F), while May registers slightly cooler temperatures, ranging from a minimum of 14°C (58°F) to an average of 26°C (78°F). Both months experience significant rainfall, with September receiving 148 mm (5.8 in) across 19 days, and May slightly wetter with 192 mm (7.6 in) over 22 days. Additionally, humidity levels are relatively high in both months, with September at 72% and May at 76%. For more detailed insights, you can check out Yulin weather in May.

When comparing the weather in September and June, both months experience similar temperature ranges, with minimums starting around 20°C and maximums peaking at 35°C. However, June generally sees higher precipitation, with 228 mm compared to September’s 148 mm, and more rainy days, totaling 24 versus September's 19. Additionally, humidity levels slightly increase in June at 76%, compared to 72% in September. For more details on June's weather, you can refer to this link: Yulin weather in June.

In comparing the weather of September and July, September tends to be slightly cooler with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 35°C (95°F), and an average of 27°C (81°F). In contrast, July experiences higher temperatures, with a minimum of 23°C (74°F), an average of 28°C (83°F), and a maximum of 36°C (98°F). Additionally, September sees less precipitation at 148 mm (5.8 in) over 19 days, while July has more rainfall, totaling 187 mm (7.4 in) over 24 days. Humidity levels are also higher in July at 87%, compared to 72% in September. For further details, you can check Yulin weather in July.

In comparing the weather conditions of September and August, September tends to be slightly cooler with average temperatures ranging from a minimum of 20°C (68°F) to a maximum of 35°C (95°F), compared to August's minimum of 22°C (72°F) and average of 28°C (82°F). While both months share the same maximum temperature, August experiences higher humidity levels at 88%, compared to September's 72%. Additionally, September sees a significant decrease in precipitation, with 148 mm (5.8 in) over 19 days, compared to August's 275 mm (10.8 in) over 25 days. For more detailed information about August weather, you can visit Yulin weather in August.

In September, the weather is notably warmer, with minimum temperatures averaging around 20°C (68°F) and reaching up to 35°C (95°F) on hotter days. The month is also marked by substantial rainfall, with approximately 148 mm (5.8 in) of precipitation occurring over 19 days, contributing to a higher humidity level of 72%. In contrast, October brings a significant drop in both temperature and humidity. The average temperature falls to 23°C (74°F), with a minimum of 15°C (59°F) and a maximum of 34°C (93°F). Additionally, October sees less rain, with only 87 mm (3.4 in) over just 10 days, leading to a more comfortable humidity level of 62%. For more detailed information, check out Yulin weather in October.

In September, the weather tends to be significantly warmer, with average temperatures peaking at 27°C (81°F) and reaching highs of up to 35°C (95°F). This month also experiences a considerable amount of rainfall, totaling 148 mm (5.8 in) over 19 days, contributing to a higher humidity level of 72%. In contrast, November cools down quite a bit, with average temperatures dropping to 20°C (68°F) and maximums reaching 31°C (88°F). Precipitation drops dramatically to just 34 mm (1.3 in) over 7 days, and humidity decreases to 62%, making for a much drier atmosphere compared to September. For more detailed insights on weather conditions, check out Yulin weather in November.

September and December showcase a striking contrast in weather conditions. September experiences warm temperatures, with a minimum of 20°C (68°F), an average of 27°C (81°F), and a maximum of 35°C (95°F). This month also sees substantial rainfall, with 148 mm (5.8 in) of precipitation over 19 days and a humidity level of 72%. In contrast, December brings cooler air, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 28°C (83°F), averaging at 15°C (60°F). Rainfall decreases significantly to just 34 mm (1.3 in) over 7 days, and humidity drops slightly to 66%. For more detailed information on what to expect in December, check out this link: Yulin weather in December.

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Conclusion: What to Expect From September Weather in Yulin

As September unfolds in Yulin, the weather presents a notable shift from the summer's sweltering peak. With temperatures averaging a comfortable 27°C (81°F), this month heralds a welcome respite from the intense heat, although occasional highs can still reach up to 35°C (95°F). The transition to autumn also brings increased humidity and a fair amount of precipitation, making it one of the wetter months of the year. With around 19 days of rain and a total of 148 mm (5.8 in) of rainfall, it's clear that September prepares the region for the cooler and drier days ahead. For a deeper dive into Yulin's unique climate patterns, explore Yulin Climate.