September Weather in Yulin, China

Last updated: August 21, 2025

In Yulin, China, September brings a transition from summer to autumn, with maximum temperatures reaching a comfortable 29°C (85°F) and an average of 17°C (63°F). The weather can be quite variable, as the minimum temperatures dip down to 2°C (36°F), making layering essential for outdoor activities. With 101 mm (4.0 in) of precipitation spread across 9 days, expect a mix of sunny spells and rainy afternoons. Coupled with a high humidity level of 83%, September in Yulin offers a uniquely refreshing, albeit damp, atmosphere for residents and visitors alike.

September Temperature in Yulin

In September, Yulin, China, experiences a gentle transition from the sweltering heat of summer to the cooler embrace of autumn. The temperatures begin to cool significantly, with minimums dropping to 2°C (36°F), while the average temperature settles at a comfortable 17°C (63°F). As the month progresses, the maximums peak at a pleasant 29°C (85°F), offering a delightful balance for outdoor activities. This month showcases a clear trend of decreasing temperatures compared to the scorching highs of July and August, yet still holds onto a warmth that invites exploration of the region's natural beauty.

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).
JanFebMarAprMayJunJulAugSepOctNovDec101735485867757363483315
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 Yulin, China, September marks a significant transition in precipitation patterns, with 101 mm (4.0 in) of rainfall spread over 9 days. This month notably drops from the deluge of 283 mm (11.1 in) seen in August, which is typically the peak of the rainfall season. Despite this decrease, September still reflects robust moisture levels, contributing to the region's lush landscapes. The shift towards less frequent rainfall suggests a gradual calming from the intense summer storms, paving the way for the dryer months ahead. As the year progresses into October and November, Yulin’s precipitation continues to decline, highlighting a steady reduction in overall rainfall that shapes the local climate.

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.
JanFebMarAprMayJunJulAugSepOctNovDec13243359122120142283101746122
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Yulin

In September, Yulin experiences a noticeable reduction in humidity, averaging at 83%, which is slightly lower than the sweltering highs of 90% in August. This month marks a transitional phase as the intense summer heat begins to fade, while humidity levels still maintain a tropical feel. The trend throughout the year shows a peak during the hotter months, notably in July and August, before gradually tapering off in October. Overall, the humidity in Yulin exhibits a distinct summer spike followed by a slow descent into the dryer autumn months, illustrating the region's dynamic climate patterns.

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.
JanFebMarAprMayJunJulAugSepOctNovDec76%72%65%67%74%83%88%90%83%85%73%74%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Yulin

As summer fades into autumn in Yulin, China, September maintains a very high UV Index of 8, indicating that sun protection is still essential. The burn time remains swift at 15 minutes, similar to the peak summer months of June, July, and August. Although the UV Index has decreased from its summer highs, it's a reminder that the sun's intensity can still pose risks in early fall. Observing this gradual decline from high levels in the summer to moderate figures by October highlights the importance of remaining vigilant about sun safety during this transitional period. To learn more about UV exposure in Yulin, visit the 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.
JanFebMarAprMayJunJulAugSepOctNovDec236891010108632
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, ushers in a gentle transition as the summer sun begins to wane, delivering 281 hours of sunshine. This month represents a slight dip from the vibrant heights of July's 327 hours, yet remains comfortably above the early months of the year. Such a pattern reflects a gradual shift in daylight hours, with sunshine peaking in the summer and tapering off as autumn approaches. The bright days of September continue to invite outdoor adventures, making it an ideal time to enjoy the lingering warmth before the cooler October days set in, which still offers a respectable 264 hours of sunshine. This rhythm of light not only influences the landscape but also enriches the cultural tapestry of Yulin, creating a perfect backdrop for harvest festivals and community gatherings.

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.
JanFebMarAprMayJunJulAugSepOctNovDec197h236h278h283h310h318h327h294h281h264h226h229h
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, the likelihood of sunny weather shows a notable decline as summer transitions to autumn. September experiences a 32% chance of sunshine, presenting one of the lower probabilities for clear skies during the year. This dip follows a gradual decrease from earlier months, where the chances of sunshine peak in January at 58% before dropping consistently through the summer. The trend indicates that while residents can expect some sunny days in September, they should also prepare for overcast skies as the weather starts to shift towards the cooler autumn months ahead. Overall, September's weather hints at a mix of sun and clouds, embodying the change in seasons.

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.
JanFebMarAprMayJunJulAugSepOctNovDec58%63%54%49%39%29%30%31%32%52%46%64%
Data source: Yulin September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Yulin in September

In Yulin, China, September marks the transition from the vibrant summer months to the encroaching autumn, with daylight lasting approximately 12 hours. This gradual decrease follows the peak of 15 hours in June, showcasing the natural ebb and flow of the seasons. After enjoying nearly a full 14 hours in May and July, daylight begins to wane in August, setting the stage for shorter days ahead. As September unfolds, it's a reminder of the cyclical nature of time; the days grow shorter, bridging the gap between the summer’s warmth and the cooler embrace of autumn. This pattern of diminishing daylight reminds us of the inevitable shift in seasons, making September a unique blend of lingering sunlight and the anticipation of change.

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.
JanFebMarAprMayJunJulAugSepOctNovDec9h 34m10h 37m11h 56m13h 18m14h 28m15h 3m14h 45m13h 44m12h 26m11h 4m9h 53m9h 16m
Data source: Yulin daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Yulin

In Yulin, China, the September wind gently whispers through the landscape, maintaining an average speed of 1.6 m/s (4 mph). This follows a gradual decline in wind speed from the spring months, with April peaking at 2.6 m/s (6 mph) before entering the summer lull. As temperatures rise in July and August, the winds drop to their lowest point, reflecting a calm serenity typical of the season. Interestingly, September marks a slight stabilization in this trend, holding steady alongside its predecessors. The upcoming months hint at a revival, as October and November show a resurgence in wind speeds, suggesting that autumn is poised to bring a renewed briskness to Yulin's air once again.

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.
JanFebMarAprMayJunJulAugSepOctNovDec1.92.42.42.62.31.81.61.61.6 m/s2.02.32.2
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.

In September, the weather is markedly warmer, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 29°C (85°F) and an average of 17°C (63°F). This month experiences higher precipitation, totaling 101 mm (4.0 in) over about 9 days, and comes with a humidity level of 83%. In stark contrast, January is much colder, with temperatures plummeting to a minimum of -32°C (-25°F) and peaking at just 6°C (42°F), averaging -12°C (11°F). The winter month sees significantly less rainfall, with only 13 mm (0.5 in) spread across just 2 days, and humidity levels drop to 76%. For a more detailed look at January weather, check out Yulin weather in January.

September and February present stark contrasts in weather. In September, temperatures range from a minimum of 2°C (36°F) to a pleasant average of 17°C (63°F), peaking at a warm 29°C (85°F). This month also sees significant precipitation, with about 101 mm (4.0 in) falling over 9 days, accompanied by high humidity at 83%. In contrast, February brings much colder conditions, with temperatures dipping as low as -29°C (-19°F) and averaging around -9°C (17°F), only reaching a maximum of 11°C (52°F). Precipitation is minimal in February, with just 24 mm (0.9 in) over 4 days and lower humidity levels at 71%. For more specific details on February weather, check out Yulin weather in February.

In comparing the weather between September and March, we see a stark contrast in temperatures and overall conditions. September boasts a mild climate with average temperatures around 17°C (63°F) and highs reaching 29°C (85°F), accompanied by relatively high humidity at 83% and 101 mm of precipitation spread over 9 days. In contrast, March experiences much colder temperatures, with an average of just 2°C (35°F) and lows dipping to -20°C (-3°F). This month is significantly drier, with only 33 mm of precipitation over 6 days and lower humidity levels at 65%. For more detailed information, you can check Yulin weather in March.

When comparing the weather in September and April, several notable differences emerge. September typically enjoys milder temperatures, with averages reaching around 17°C (63°F) during the day, while April's daytime average is cooler at 9°C (48°F). The maximum temperatures in September can rise to a warm 29°C (85°F), contrasting sharply with April's peak of 26°C (79°F). Additionally, September experiences more precipitation with 101 mm (4.0 in) over about 9 days, compared to April's 59 mm (2.3 in) over 7 days. Furthermore, September is more humid, boasting an average humidity of 83% compared to April's 67%. For a closer look at April's weather specifics, visit Yulin weather in April.

In comparing the weather between September and May, we see notable differences in both temperature and precipitation. September enjoys a wider temperature range with minimums around 2°C (36°F) and maximums reaching up to 29°C (85°F), averaging 17°C (63°F). In contrast, May is slightly cooler with minimums at -1°C (30°F), averaging 15°C (58°F) and peaking at 31°C (88°F). Precipitation levels show that September has about 101 mm (4.0 in) over 9 days, whereas May experiences slightly higher precipitation at 122 mm (4.8 in) across 12 days. Additionally, September's humidity is higher at 83%, compared to May's 74%. For more detailed insights on May's weather, you can check Yulin weather in May.

In comparing the weather of September and June, we can see distinct differences in temperature and precipitation patterns. September experiences a minimum temperature of 2°C (36°F), with an average of 17°C (63°F) and a maximum of 29°C (85°F), while June is generally warmer, featuring a minimum of 6°C (43°F), an average of 19°C (67°F), and a maximum of 31°C (88°F). Both months share the same humidity level of 83%, but June tends to be wetter, with 120 mm (4.7 in) of precipitation over 14 days compared to September's 101 mm (4.0 in) over 9 days. For a closer look at the specific weather patterns in June, check out Yulin weather in June.

When comparing the weather in September and July, notable differences emerge. September experiences cooler temperatures, with a minimum of 2°C (36°F) and an average of 17°C (63°F), compared to July’s warm temperatures that range from a minimum of 13°C (56°F) to an average of 24°C (75°F). July also boasts higher maximum temperatures, reaching up to 36°C (96°F), while September peaks at 29°C (85°F). Additionally, July tends to be wetter, with 142 mm (5.6 in) of precipitation over 16 days, compared to September's 101 mm (4.0 in) over 9 days. Humidity levels are slightly higher in July at 88%, compared to 83% in September. For a closer look at July's weather patterns, you can visit Yulin weather in July.

September weather marks a noticeable transition from the warmth of August. While August boasts higher temperatures with a minimum of 8°C (47°F) and an average of 23°C (73°F), September's temperatures dip, featuring a minimum of 2°C (36°F) and an average of 17°C (63°F). Furthermore, August is considerably wetter, with 283 mm (11.1 in) of precipitation over 20 days compared to September's 101 mm (4.0 in) over just 9 days. Humidity levels also fluctuate, with August at 90% compared to September's 83%, reflecting the shift towards cooler, drier conditions. For more details on weather conditions in August, you can refer to Yulin weather in August.

In September, the weather is generally warmer, with average temperatures around 17°C (63°F) and maximums reaching up to 29°C (85°F). This month also experiences higher precipitation at 101 mm (4.0 in) over 9 days, coupled with high humidity at 83%. In contrast, October brings a noticeable drop in temperatures, with average highs of 9°C (48°F) and minimums plummeting to -5°C (23°F). Although October has less precipitation at 74 mm (2.9 in) over 7 days, humidity remains similar at 85%. For more detailed information on October weather, you can visit Yulin weather in October.

September and November present striking contrasts in weather conditions. In September, temperatures range from a mild 2°C (36°F) at night to a warm average of 17°C (63°F) during the day, peaking at 29°C (85°F). This month also experiences higher precipitation, totaling 101 mm (4.0 in) over about 9 days, coupled with a humidity level of 83%. In contrast, November sees a significant cooling, with minimum temperatures dropping to a frigid -20°C (-3°F), while the average cools to around 0°C (33°F) and a maximum of 18°C (64°F). Precipitation is lower in November at 61 mm (2.4 in) spread across 7 days, and humidity decreases to 73%. These differences highlight the transition from the warmth of early autumn to the chill of late fall. For more detailed information, visit Yulin weather in November.

The weather contrasts between September and December are striking. In September, temperatures range from a mild 2°C (36°F) at night to a warm 29°C (85°F) during the day, with an average of 17°C (63°F). This month also sees significant rainfall, totaling 101 mm (4.0 in) over about 9 days, accompanied by high humidity levels of 83%. In stark contrast, December brings much colder conditions, with temperatures dropping dramatically to a minimum of -31°C (-24°F), an average of -10°C (15°F), and a maximum of just 7°C (44°F). Precipitation is much lower in December, totaling only 22 mm (0.9 in) over about 4 days, and the humidity levels decrease to 74%. For more details on what to expect, you can check the link here: Yulin weather in December.

Compare Yulin's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Yulin

As September rolls into Yulin, the weather begins to shift, offering a unique blend of mild temperatures and increased humidity that sets it apart from the hotter summer months. The average temperature starts to cool down slightly, making outdoor activities more enjoyable, while the notable rainfall with about nine days of precipitation can bring sudden showers that revitalize the landscape. This month's characteristic humidity adds a refreshing feel to the air, contrasting sharply with the drier spells of previous months. For those looking to explore more about Yulin's weather patterns and to plan their visit, check out Yulin Climate.