September Weather in Wenchang, China

Last updated: August 21, 2025

Wenchang in September offers a warm embrace, with maximum temperatures reaching up to 34°C (93°F) and an average of 22°C (72°F), creating a comforting atmosphere for outdoor activities. While the minimum temperature dips to a pleasant 15°C (59°F) during the cooler nights, the month also sees significant precipitation with a total of 159 mm (6.3 in) over approximately 15 days. The humidity levels hover around 86%, contributing to the lush landscape and vibrant tropical feel. Overall, September in Wenchang is characterized by its warm temperatures and frequent rain, making it a dynamic time to experience this coastal city.

September Temperature in Wenchang

As September rolls into Wenchang, the transition from summer to autumn brings noticeably milder temperatures, with average lows around 15°C (59°F) and comfortable highs peaking at 34°C (93°F). This month sees a delightful blend of warmth, making it a great time to enjoy outdoor activities, as the extreme heat of July and August begins to fade. The average temperature of 22°C (72°F) provides a pleasant atmosphere, ideal for exploring the region's natural beauty. With only a hint of chill creeping in, September encapsulates the best of Wenchang's climate, inviting both locals and visitors to revel in its soft warmth before the cooler months set in.

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

The chart illustrates September temperature patterns in Wenchang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wenchang, 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).
JanFebMarAprMayJunJulAugSepOctNovDec444757647277808172625445
Data source: Temperature data for Wenchang 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 Wenchang

In September, Wenchang experiences a notable shift in precipitation patterns as the monsoon season begins to wane. With 159 mm (6.3 in) of rain falling over 15 days, the month marks a significant decline from the intense downpours of July, which recorded a staggering 373 mm (14.7 in). This steadier rainfall, while still substantial, signals a transition towards drier months ahead. September's rainfall often brings a lush vibrancy to the landscape, nurturing both agriculture and natural ecosystems. As the summer sun gives way to the refreshing breezes of autumn, residents revel in the balance of rain and sunshine that characterizes this time of year.

September Precipitation Trends in Wenchang

The chart displays monthly precipitation patterns in Wenchang, 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 Wenchang, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1118376187142373214159872019
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Wenchang

September in Wenchang, China, continues the trend of elevated humidity levels characteristic of the region. With humidity peaking at 86%, this month mirrors the conditions of both August and October, which also boast similar readings. The rise in humidity from the cooler winter months, which begin at 78% in January, steadily climbs as the year progresses, peaking in late summer. This consistent moisture creates a tropical atmosphere, juxtaposed with the slight dip from 87% in August, hinting at the onset of milder autumn conditions. As the year transitions, Wenchang maintains a sticky environment, making September a notably humid month.

September Average Humidity in Wenchang

This chart illustrates the average monthly humidity levels in Wenchang, 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 Wenchang is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%80%86%81%83%85%86%87%86%87%87%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Wenchang

As September rolls into Wenchang, China, the UV Index remains notably high, registering at 10—a slight dip from the peak summer levels but still classified as very high. This indicates that sun exposure is potentially hazardous without proper protection, with a recommended burn time of just 15 minutes. Throughout the year, trends in UV intensity show a significant escalation from January's moderate levels to the extreme highs experienced in May through August. The consistency of very high readings in the late months of summer and early fall highlights the importance of staying vigilant against UV exposure. To better prepare for your outdoor activities, make sure to check the Wenchang UV Index for real-time updates and safety tips.

Maximum UV Index Levels in Wenchang for September

The chart shows the monthly maximum UV Index (UVI) for Wenchang 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 Wenchang typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101112121110864
Data source: Wenchang 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 Wenchang

September in Wenchang, China, brings a delightful transition with 228 hours of sunshine, marking a significant shift from the sun-drenched peak of summer. This month reflects a gradual decrease from the 311 hours recorded in August, yet it remains comfortably above the yearly average, hinting at the lingering warmth of the season. The sunshine hours in September, while lower than the summer months, are notably higher than the winter figures, such as 184 hours in October. As autumn approaches, residents and visitors can relish the balance of bright days with welcoming temperatures, making it a perfect time for outdoor activities amidst the vibrant scenery. This pattern of abundant sunshine throughout the spring and summer, followed by a slow tapering in the fall, beautifully underscores Wenchang's climate dynamics.

Monthly Sunshine Duration in Wenchang: September Highlighted

The September sunshine duration represents the total number of hours Wenchang 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.
JanFebMarAprMayJunJulAugSepOctNovDec180h209h225h246h283h292h308h311h228h184h203h201h
Data source: Wenchang September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Wenchang During September

In Wenchang, China, September brings a 25% chance of sunny weather, marking a transitional period as summer gives way to fall. This percentage mirrors the relatively low levels of sunshine seen from May through August, suggesting that the sun doesn't shine as brightly in these late summer months. Interestingly, just before and after September, the likelihood of sunny days fluctuates; while October drops to just 10%, November sees a slight rebound to 32%. This trend highlights the region's shifting climate patterns, where prolonged rainy seasons diminish the chances of clear skies. Overall, September offers a modest opportunity for sun-seekers, balanced against the backdrop of Wenchang's variable weather.

Percentage of Sunny Days in September in Wenchang

The chart illustrates the percentage of sunny days in Wenchang 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 Wenchang experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec42%39%21%13%16%17%36%25%26%10%32%38%
Data source: Wenchang September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Wenchang in September

In Wenchang, China, September marks a gentle transition as daylight begins to wane from the summer's peak. With 12 hours of sunlight, this month serves as a bridge between the longer days of summer and the shorter days of autumn. Following the height of 14 hours in June, daylight gradually decreases, stabilizing at a comfortable level that still allows for ample time to enjoy the outdoors. As temperatures begin to cool, September's daylight duration reflects the harmonious rhythm of nature, inviting residents to embrace the changing seasons while basking in the last remnants of summer.

Average Daylight Hours in Wenchang for September

The chart illustrates the variation in daylight duration in Wenchang throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 19m11h 2m11h 59m12h 57m13h 45m14h 9m13h 57m13h 15m12h 19m11h 22m10h 32m10h 6m
Data source: Wenchang daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Wenchang

In Wenchang, China, September greets residents and visitors with a consistent average wind speed of 2.3 m/s (5 mph), mirroring the gentle breezes of the preceding months. This stability reflects a tranquil transition within the seasonal patterns, as the wind speeds remain largely unchanged from May through September. Notably, this marks the shift toward slightly stronger airflow in the coming months, with October showing a slight climb to 2.7 m/s (6 mph). As summer wanes, the refreshing September winds invigorate the atmosphere, creating the perfect backdrop for outdoor activities and celebrations, as the region gears up for the vibrant autumn ahead.

Average September Wind Speed in Wenchang

The chart displays monthly wind speed patterns in Wenchang, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.22.32.32.32.32.11.82.22.3 m/s2.72.02.0
Data source: Wenchang September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Wenchang Compares to Other Months

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

In September, the weather is typically warm and humid, with average temperatures ranging from a minimum of 15°C (59°F) to a maximum of 34°C (93°F). This month experiences significant rainfall, with about 159 mm (6.3 in) of precipitation spread over 15 days, resulting in a high humidity level of 86%. In stark contrast, January brings much cooler conditions, with average temperatures dropping to a low of -3°C (26°F) and a high of only 16°C (60°F). Precipitation is minimal during this month, totaling just 11 mm (0.4 in) over 3 days, accompanied by lower humidity levels at 78%. For more details on January’s weather, visit Wenchang weather in January.

September and February present striking contrasts in weather conditions. September typically enjoys warmer temperatures, with averages around 22°C (72°F) and maximums reaching up to 34°C (93°F), while February experiences a chillier climate, with average temperatures dropping to 9°C (48°F) and lows plunging to -2°C (28°F). Additionally, September sees significant rainfall, accumulating 159 mm over an average of 15 days, compared to February's modest 18 mm across just 4 days. Finally, while humidity levels are high in both months, September's average humidity stands at 86%, slightly higher than February's 80%. For a detailed look at February weather, visit Wenchang weather in February.

When comparing the weather between September and March, notable differences arise in temperature and precipitation levels. September enjoys warmer conditions with minimum temperatures around 15°C (59°F) and average highs reaching 34°C (93°F), while March starts off much cooler with lows of 3°C (38°F) and a maximum of 29°C (84°F). The average temperature in September is 22°C (72°F), while March sees a significantly cooler average of 14°C (57°F). Additionally, September tends to be quite wet, with 159 mm (6.3 in) of rainfall observed over 15 days, compared to March’s relatively dry weather, which brings only 37 mm (1.4 in) of rain over 7 days. Humidity levels in both months remain similar, hovering around 85-86%. For more detailed information, you can explore Wenchang weather in March.

September and April exhibit distinct weather patterns, with September generally being warmer and more humid. In September, temperatures range from a minimum of 15°C (59°F) to a maximum of 34°C (93°F), with an average of 22°C (72°F). The month sees significant rainfall, with 159 mm (6.3 in) of precipitation over 15 days and high humidity at 86%. In contrast, April features cooler temperatures, with a minimum of 8°C (47°F) and an average of 18°C (65°F), reaching up to 33°C (92°F). It also experiences considerably less rainfall, totaling 60 mm (2.4 in) over 10 days, along with a lower humidity level of 81%. For more specific details about April weather, you can check out Wenchang weather in April.

September and May exhibit distinct weather patterns despite sharing a similar average temperature of 22°C (72°F). In September, temperatures range from a minimum of 15°C (59°F) to a maximum of 34°C (93°F), with significantly higher humidity at 86% and more frequent rainfall, totaling 159 mm over 15 days. In contrast, May sees slightly cooler minimum temperatures at 10°C (51°F) but can reach a scorching maximum of 38°C (100°F). It also experiences less precipitation at 87 mm over 11 days, with a slightly lower humidity level of 83%. For a more detailed look at May weather in Wenchang, you can visit Wenchang weather in May.

In comparing the weather between September and June, June generally experiences warmer temperatures, with an average of 25°C (77°F) and maximum highs reaching up to 37°C (99°F), compared to September's average of 22°C (72°F) and maximums of 34°C (93°F). However, September has slightly higher precipitation, totaling 159 mm (6.3 in) over 15 days, while June receives 142 mm (5.6 in) over 12 days. Humidity levels are quite similar in both months, with September at 86% and June at 85%. For more detailed insights, you can check out Wenchang weather in June.

In September, the weather is noticeably cooler with average temperatures around 22°C (72°F), compared to July, which boasts higher averages of 27°C (80°F). While September experiences a minimum temperature of 15°C (59°F) and a maximum of 34°C (93°F), July is warmer with minimums of 19°C (67°F) and maximums reaching 37°C (99°F). Additionally, September sees less precipitation, totaling 159 mm (6.3 in) over 15 days, while July is considerably wetter, recording 373 mm (14.7 in) over 20 days. Both months share a humidity level of 86%, contributing to the overall muggy conditions. For more details on July's weather specifics, refer to Wenchang weather in July.

September generally experiences cooler temperatures compared to August, with a minimum of 15°C (59°F) and a maximum reaching 34°C (93°F), while August boasts higher minimum and maximum temperatures of 18°C (64°F) and 37°C (99°F), respectively. The average temperature in September is 22°C (72°F), significantly lower than the 27°C (81°F) average in August. Additionally, September sees slightly less precipitation at 159 mm (6.3 in) over 15 days, compared to August’s 214 mm (8.4 in) over 16 days. Humidity levels remain similar, with September at 86% and August at 87%. For more detailed information, you can view Wenchang weather in August.

In September, temperatures are warmer, with a minimum of 15°C (59°F) and an average of 22°C (72°F), peaking at a high of 34°C (93°F). The month also experiences significant rainfall, totaling 159 mm (6.3 in) over 15 days, while humidity remains high at 86%. In contrast, October sees a marked drop in temperatures, with a minimum of 9°C (49°F) and an average of 17°C (62°F), reaching a maximum of 29°C (85°F). Precipitation decreases to 87 mm (3.4 in) over 11 days, yet the humidity remains consistent at 86%. For more details on the climate during this month, you can visit Wenchang weather in October.

In September, the weather is significantly warmer, with average temperatures reaching around 22°C (72°F) and highs of up to 34°C (93°F). The month is also characterized by higher precipitation, totaling 159 mm (6.3 in) over 15 days, resulting in a humid atmosphere with levels around 86%. In contrast, November brings a noticeable drop in temperatures, with an average of only 12°C (54°F) and minimal rainfall of just 20 mm (0.8 in) over 4 days. Although humidity remains high at 87%, the cooler temperatures create a distinct transition from the vibrant warmth of September. For a closer look at November weather specifics, visit Wenchang weather in November.

September and December present stark contrasts in weather conditions. In September, temperatures range from a mild 15°C (59°F) to a scorching 34°C (93°F), with an average of 22°C (72°F). This month is marked by significant rainfall, totaling 159 mm (6.3 in) over about 15 days, creating a humid atmosphere with humidity levels around 86%. Conversely, December features much cooler temperatures, with a minimum of -3°C (28°F) and a maximum of 17°C (63°F), averaging only 7°C (45°F). Rainfall diminishes dramatically to just 19 mm (0.7 in) over 4 days, and humidity levels remain relatively stable at 85%. For more detailed insights, check Wenchang weather in December.

Compare Wenchang's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Wenchang

As September unfolds in Wenchang, it brings a noticeable shift in the weather, characterized by warm days and humid nights. With average temperatures hovering around a comfortable 22°C (72°F) and the maximum peaking at 34°C (93°F), this month stands out with its blend of warmth and moisture. The increased humidity, averaging 86%, combined with approximately 159 mm of rainfall over 15 days, creates an atmosphere that's often muggy and vibrant, setting it apart from the drier months that precede it. This makes early autumn a unique time to experience Wenchang’s lush landscapes and scenic beauty. For a deeper dive into the intricacies of Wenchang's climate, visit Wenchang Climate.