September Weather in Aizhai, China

Last updated: August 21, 2025

In September, Aizhai, China experiences a diverse weather palette, characterized by a maximum temperature of 34°C (94°F) and an average of 23°C (73°F), providing a warm atmosphere for outdoor activities. However, temperatures can drop to a comfortable minimum of 15°C (59°F) during the cooler evenings. Rain is a frequent visitor this month, with 183 mm (7.2 in) of precipitation over 16 days, leading to elevated humidity levels at 71%. This combination of warmth and moisture creates a vibrant natural landscape, making September an intriguing time to experience Aizhai's seasonal transition.

September Temperature in Aizhai

In September, Aizhai, China, experiences a pleasant transition from the sweltering summer months to the cooler autumn days. With minimum temperatures around 15°C (59°F) and average highs reaching 34°C (94°F), the weather remains warm but comfortable, making it an ideal time for outdoor activities. As the month progresses, the average temperature sits at a mild 23°C (73°F), illustrating a gradual shift in the climate. This trend of decreasing temperatures will continue into October, yet September still retains some of the lingering warmth of late summer, providing a perfect balance for those looking to explore the scenic beauty of this remarkable region.

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

The chart illustrates September temperature patterns in Aizhai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Aizhai, 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).
JanFebMarAprMayJunJulAugSepOctNovDec394353606875808073615343
Data source: Temperature data for Aizhai 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 Aizhai

In September, Aizhai experiences a notable shift in precipitation, with 183 mm (7.2 in) of rainfall over 16 days, marking a decline compared to the wetter summer months. This month often serves as a transitional period, as the heavy rainfalls of May and June taper off, yet the region still maintains a moderate level of moisture. The precipitation in September is significantly less than the peaks seen earlier in the year, especially the 341 mm (13.4 in) recorded in May. As the landscape begins to prepare for autumn, the rainfall is sufficient to sustain the lush greenery, but it signals the gradual shift toward the drier months of October and November, which both show lower cumulative precipitation. This trend underscores Aizhai's unique climate rhythm, where vibrant summer showers give way to the mellowing rains of early fall.

September Precipitation Trends in Aizhai

The chart displays monthly precipitation patterns in Aizhai, 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 Aizhai, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec791142192113423232392061831109959
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Aizhai

As the summer heat gradually recedes, September in Aizhai, China, witnesses a notable dip in humidity, falling to 71%, a refreshing break from the muggy heights of the preceding months. After a maximum of 88% in July and sustained levels in the mid-80s during August, the air begins to clear, signaling the shift to autumn. This decline marks a transition from the peak summer humidity, offering a more comfortable atmosphere with a hint of the crispness that accompanies the approaching fall. Interestingly, September's humidity aligns closely with the more moderate levels seen at the start of the year, suggesting a cyclical rhythm to the region's climate. This change not only enhances outdoor experiences but also anticipates the return of the heavier, moisture-laden air as winter approaches.

September Average Humidity in Aizhai

This chart illustrates the average monthly humidity levels in Aizhai, 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 Aizhai is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec68%73%84%82%86%86%88%85%71%74%85%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Aizhai

As summer transitions into autumn, the UV Index in Aizhai, China, shows a notable decline, hitting 10 in September with a very high exposure category, which means that while sun protection is still essential, it's a slight reprieve from the peak summer levels. The burn time remains at 15 minutes, signaling that even as the days grow shorter, the sun's rays can still be intense. This month reflects a trend of gradually decreasing UV levels from the extreme heights seen during July and August, urging residents and visitors to remain vigilant about sun safety. For more detailed insights, check out the Aizhai UV Index.

Maximum UV Index Levels in Aizhai for September

The chart shows the monthly maximum UV Index (UVI) for Aizhai 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 Aizhai typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec679111212131210975
Data source: Aizhai 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 Aizhai

September in Aizhai, China, offers a delightful reprieve from the intense summer sun, with an impressive 220 hours of sunshine. This month marks a notable drop from the peak of 309 hours experienced in August, signaling a gentle transition into autumn. However, the sunshine hours in September are still significantly higher than those seen earlier in the year, such as 119 hours in January. The trend reveals a robust and vibrant summer, culminating in August before settling into a more moderate but still pleasant September. As the days grow shorter, Aizhai embraces the autumn with a beautiful balance of light, making it an ideal time for exploration and appreciation of the stunning landscapes. With October forecasted to bring 176 hours of sunshine, the charm of Aizhai continues as the colors of fall emerge.

Monthly Sunshine Duration in Aizhai: September Highlighted

The September sunshine duration represents the total number of hours Aizhai 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.
JanFebMarAprMayJunJulAugSepOctNovDec119h161h171h189h242h250h295h309h220h176h171h170h
Data source: Aizhai September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Aizhai During September

September in Aizhai, China, marks a shift towards brighter days, boasting a notable 53% chance of sunny weather—the highest likelihood of the year. As the summer heat fades, this month stands out compared to the previous months, where the chances of sunshine linger around the 20% mark or lower. In fact, following a fairly gloomy spring, the increasing likelihood of clear skies in September hints at a transition to more favorable weather. With autumn on the horizon, it becomes an excellent time to explore the scenic beauty of Aizhai, basking in the warmth of the sun as it finally makes a welcome appearance.

Percentage of Sunny Days in September in Aizhai

The chart illustrates the percentage of sunny days in Aizhai 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 Aizhai experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec42%26%16%10%20%16%24%26%53%27%36%43%
Data source: Aizhai September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Aizhai in September

In Aizhai, China, the rhythm of daylight unfolds uniquely throughout the year, with September showcasing a return to shorter days after the summer’s peak. As the month transitions, daylight duration settles at 12 hours, newly bridging the gap between the sun-drenched summer of 13 hours in July and August and the retreat into autumn's earlier twilight. This gradual decline reflects nature's cyclical beauty, where longer days gracefully yield to the crisp embrace of fall, inviting residents to enjoy the softening light before the 10-hour days of winter settle in. The trend highlights a clear seasonal shift, as the days grow shorter, encouraging a moment of reflection and appreciation for the fleeting warmth of the sun.

Average Daylight Hours in Aizhai for September

The chart illustrates the variation in daylight duration in Aizhai throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 33m11h 10m11h 59m12h 50m13h 32m13h 53m13h 42m13h 6m12h 17m11h 27m10h 44m10h 22m
Data source: Aizhai daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Aizhai

As September sweeps into Aizhai, China, the average wind speed steadies at 2.0 m/s (about 5 mph), reflecting a consistent climatic rhythm that the month often shares with its predecessors, July and August. Notably, this slight uptick from late summer continues to hint at the approaching autumn, while previous months maintained a gentle breeze, with speeds hovering around 1.8–1.9 m/s. October beckons a gradual increase, predicting a gentle transition to stronger winds. Through these shifts, Aizhai demonstrates the delicate balance of seasonal change, where the winds whisper the stories of both lingering warmth and the subtle embrace of upcoming cooler days.

Average September Wind Speed in Aizhai

The chart displays monthly wind speed patterns in Aizhai, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.81.82.02.01.91.92.22.02.0 m/s2.31.71.7
Data source: Aizhai September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Aizhai Compares to Other Months

Weather in Aizhai varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Aizhai, 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 (59°F) at night to a warm 34°C (94°F) during the day, accompanied by high humidity at 71% and considerable precipitation, totaling 183 mm (7.2 in) over 16 days. In contrast, January brings much colder conditions, with minimum temperatures plummeting to -9°C (17°F) and a maximum of only 18°C (64°F). Precipitation is significantly lower at 79 mm (3.1 in) over just 10 days, and humidity drops slightly to 67%. For a closer look at January weather specifics, visit Aizhai weather in January.

September and February present contrasting weather experiences. In September, temperatures range from a mild 15°C (59°F) to a scorching high of 34°C (94°F), with an average of 23°C (73°F). This month is characterized by increased precipitation, totaling 183 mm (7.2 in) over 16 days, contributing to a humid environment with an average humidity of 71%. In stark contrast, February sees a considerable drop in temperatures, with a minimum of -3°C (27°F) and an average of just 6°C (43°F), peaking at 25°C (76°F). Precipitation is also lower during this month, measuring 114 mm (4.5 in) across the same number of days, while humidity remains slightly elevated at 73%. For more details on February weather conditions, you can check Aizhai weather in February.

September and March present strikingly different weather patterns. September tends to be much warmer, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 34°C (94°F) and an average of 23°C (73°F). However, it also brings significant rainfall, totaling 183 mm (7.2 in) across about 16 days, with a humidity level of 71%. In contrast, March exhibits cooler temperatures, starting at a minimum of 3°C (38°F) and peaking at 29°C (85°F), with an average of 11°C (53°F). This month records even higher precipitation, reaching 219 mm (8.6 in) over about 20 days and a higher humidity of 84%. For more detailed information, you can check Aizhai weather in March.

September typically experiences warmer temperatures than April, with average highs reaching up to 34°C (94°F) compared to April's maximum of 31°C (89°F). However, April presents cooler nights, with a minimum temperature of 6°C (43°F), while September's lowest temperature hovers at 15°C (59°F). Both months see significant rainfall, with September receiving 183 mm (7.2 in) over 16 days and April slightly wetter at 211 mm (8.3 in) across 18 days. The humidity in April is higher at 82%, compared to September's 71%, which can make April feel a bit more uncomfortable despite the cooler temperatures. For more detailed information, you can check Aizhai weather in April.

When comparing the weather of September and May, one can observe notable differences in temperature and precipitation. September typically enjoys warmer temperatures, with average highs around 23°C (73°F), compared to May's average of 20°C (68°F). However, May experiences a cooler minimum temperature of 9°C (49°F), while September's lows sit at a milder 15°C (59°F). Additionally, May sees significantly more precipitation, totaling 341 mm (13.4 in) over 20 days, compared to September's 183 mm (7.2 in) over 16 days. The humidity levels are also higher in May at 86%, while in September, it averages around 71%. For more details on May weather, check out Aizhai weather in May.

September's weather features a slightly warmer average temperature compared to June, with daily highs reaching up to 34°C (94°F) versus June's maximum of 33°C (92°F). However, June is characterized by higher humidity at 86% and more significant precipitation, receiving 323 mm (12.7 in) over 20 days, whereas September experiences 183 mm (7.2 in) of rain over 16 days. Overall, while both months are warm, September tends to be drier and less humid, making for a more comfortable climate. For a closer look at June weather specifics, you can visit Aizhai weather in June.

When comparing the weather in September and July, noticeable differences emerge. September experiences a cooler range of temperatures, with a minimum of 15°C (59°F) and an average of 23°C (73°F), while July boasts slightly higher temperatures, with a minimum of 17°C (64°F) and an average of 27°C (80°F). July is also marked by more intense heat, reaching a maximum of 38°C (101°F), in contrast to September's maximum of 34°C (94°F). Additionally, July has higher precipitation levels, totaling 239 mm (9.4 in) over 19 days, compared to September’s 183 mm (7.2 in) over 16 days, making July not only warmer but also wetter. The humidity in July is significantly higher at 88%, compared to September's 71%. For a detailed look at July weather, visit Aizhai weather in July.

September's weather shows a noticeable shift from August, with a decrease in average temperatures from 27°C (80°F) to 23°C (73°F). The maximum temperatures in September peak at 34°C (94°F), which is slightly lower than August's high of 36°C (98°F). Additionally, September experiences a reduction in both precipitation and humidity, with 183 mm (7.2 in) of rain over 16 days and a humidity level of 71%, compared to August's 206 mm (8.1 in) over 18 days and a higher humidity of 85%. For a more detailed comparison, you can check Aizhai weather in August.

September and October present a noticeable shift in weather conditions. In September, temperatures range from a minimum of 15°C (59°F) to a maximum of 34°C (94°F), with an average of 23°C (73°F). The month also experiences significant rainfall, totaling 183 mm (7.2 inches) over 16 days, with humidity at 71%. In contrast, October sees a marked decrease in temperatures, with a minimum of 8°C (46°F) and an average of 16°C (62°F), while still reaching a maximum of 33°C (92°F). Rainfall is less frequent, accumulating to 110 mm (4.3 inches) over 14 days and a slight increase in humidity to 74%. The transition from September to October indicates a cooling trend and reduced precipitation, offering a different experience for those looking to enjoy the outdoors. For more detailed information, check out Aizhai weather in October.

September and November present quite contrasting weather patterns. In September, temperatures range from a mild minimum of 15°C (59°F) to a sweltering maximum of 34°C (94°F), with an average of 23°C (73°F). This month also sees significant rainfall, accumulating to 183 mm (7.2 in) over about 16 days, accompanied by a humidity level of 71%. In contrast, November offers much cooler conditions, with temperatures dropping significantly; the minimum is now 2°C (36°F), the average is 12°C (53°F), and the maximum reaches 28°C (82°F). Rainfall decreases to 99 mm (3.9 in) across 12 days, while humidity rises to 85%. For more detailed insights about weather in Aizhai during November, visit Aizhai weather in November.

The weather in September features significantly warmer temperatures, with a minimum of 15°C (59°F) and an average of 23°C (73°F), peaking at 34°C (94°F). In contrast, December brings much cooler conditions, where temperatures can drop to as low as -5°C (23°F) with an average of 6°C (43°F) and a maximum of 18°C (65°F). September also sees more precipitation, totaling 183 mm (7.2 in) across 16 days, while December is drier, with only 59 mm (2.3 in) over 10 days. Interestingly, December's humidity is slightly higher at 75% compared to September's 71%. For more information on Aizhai's weather patterns, check out Aizhai weather in December.

Compare Aizhai's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Aizhai

As September unfolds in Aizhai, the weather transitions from the sweltering heat of summer to a more temperate climate. Average temperatures drop, providing a refreshing reprieve with milder days and cooler nights. However, this month also brings an increase in humidity and frequent rainfall, contributing to a noticeable shift in the atmospheric feel compared to the drier summer months. With approximately half the days experiencing precipitation, September's weather is a reminder of the approaching autumn. For a deeper understanding of how Aizhai's climate transitions throughout the year, be sure to explore Aizhai Climate.