September Weather in Thanh Chuong, Vietnam

Last updated: August 28, 2025

In September, Thanh Chuong, Vietnam experiences a dynamic climate, characterized by maximum temperatures reaching 36°C (96°F), while the average temperature hovers around 27°C (81°F). With a minimum temperature of 21°C (70°F), this month presents a warm and humid atmosphere, featuring an impressive 84% humidity level. Visitors should prepare for significant rainfall, as the region receives approximately 350 mm (13.8 in) over 20 days, making it essential to embrace the tropical monsoon conditions amid the otherwise vibrant surroundings. The interplay of heat and moisture offers a unique glimpse into the heart of Vietnam's sultry September, perfect for those seeking adventure in lush landscapes.

September Temperature in Thanh Chuong

In September, Thanh Chuong, Vietnam, experiences a pleasant transition as the summer heat begins to wane. With minimum temperatures averaging around 21°C (70°F) and maximums reaching up to 36°C (96°F), the climate remains comfortably warm but not as oppressive as in the earlier months. The average temperature settles at 27°C (81°F), marking a slight decline compared to the previous months while still inviting outdoor activities. This month signifies a shift towards a more temperate and enjoyable atmosphere, hinting at the approaching autumn. Overall, September in Thanh Chuong offers the perfect backdrop for exploring the scenic beauty of the region as the heat gradually gives way to cooler days.

September Weather in Thanh Chuong: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Thanh Chuong, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Thanh Chuong, 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).
JanFebMarAprMayJunJulAugSepOctNovDec646573778286858381757164
Data source: Temperature data for Thanh Chuong 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 Thanh Chuong

September marks a significant peak in precipitation for Thanh Chuong, Vietnam, as the region experiences an impressive 350 mm (13.8 inches) of rain over 20 days. This dramatic increase sets September apart as one of the wettest months of the year, following the already substantial rainfall of the previous months. As the monsoon season reaches its climax, the rain transforms the landscape, nourishing the lush green rice fields and supporting agricultural activities. With October just around the corner and historically even wetter, the trend highlights a period of sustained rainfall that plays a crucial role in the ecosystem and local farming practices, paving the way for a vibrant natural environment.

September Precipitation Trends in Thanh Chuong

The chart displays monthly precipitation patterns in Thanh Chuong, 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 Thanh Chuong, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec917412417217393300259350520171151
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Thanh Chuong

In September, Thanh Chuong, Vietnam, experiences a notable humidity level of 84%, slightly declining from the peak months of July and August, which both recorded a high 90%. This transitional month reflects the gradual shift toward the drier fall season, following a summer characterized by high moisture. Notably, early fall months typically see humidity levels hovering around the mid-80s, suggesting a lingering richness in the air that can heighten the lushness of the region's landscape. As October approaches, a further decrease to 81% is expected, marking the beginning of a more comfortable climate after the sweltering summer months. Overall, the trend illustrates a summer peak followed by a slow, refreshing descent into autumn.

September Average Humidity in Thanh Chuong

This chart illustrates the average monthly humidity levels in Thanh Chuong, 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 Thanh Chuong is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%77%74%70%78%82%90%90%84%81%78%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Thanh Chuong

In September, Thanh Chuong, Vietnam, experiences an extreme UV Index of 14, indicating that sunburn can occur within just 10 minutes of unprotected exposure. This pattern of high UV levels has been consistent throughout the summer months, with both July and August also registering a UV Index of 14. As the region transitions into autumn, the UV Index begins to gradually decline, with October reporting a drop to 12, yet still within the extreme category. This trend highlights the critical need for sun protection during this time, as the relentless intensity can pose serious health risks. For more detailed information, visit Thanh Chuong UV Index.

Maximum UV Index Levels in Thanh Chuong for September

The chart shows the monthly maximum UV Index (UVI) for Thanh Chuong 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 Thanh Chuong typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec811131314131414141298
Data source: Thanh Chuong 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 Thanh Chuong

As summer transitions into autumn, September in Thanh Chuong, Vietnam, offers a delightful balance of sunshine with 277 hours of bright daylight. This month reflects a gentle decline from the vibrant heights of May and June, which boast over 300 hours of sunshine, indicating a gradual shift towards the cooler, cloudier months ahead. While September may see a slight decrease in sunlight compared to its summer predecessors, it remains a cherished time for both locals and travelers. The lingering warmth invites outdoor activities, making it a perfect month to explore the lush landscapes and rich culture that define this picturesque region.

Monthly Sunshine Duration in Thanh Chuong: September Highlighted

The September sunshine duration represents the total number of hours Thanh Chuong 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.
JanFebMarAprMayJunJulAugSepOctNovDec199h259h279h283h309h304h287h281h277h246h253h249h
Data source: Thanh Chuong September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Thanh Chuong During September

In September, Thanh Chuong experiences a 20% chance of sunny weather, placing it among the more overcast months of the year. Following the typically brighter days of May, which boasts a 40% chance of sun, the summer months diminish in brightness, with August recording a low of just 14%. As the region transitions from the humid summer heat, September’s modest sun chances reflect a gradual shift toward clearer days seen in the later months like November (28%) and December (33%). This suggests that while September isn't the sunniest time of year, it does herald the upcoming potential for more favorable weather as fall approaches.

Percentage of Sunny Days in September in Thanh Chuong

The chart illustrates the percentage of sunny days in Thanh Chuong 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 Thanh Chuong experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%37%18%23%40%18%22%14%20%13%28%34%
Data source: Thanh Chuong September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Thanh Chuong in September

In Thanh Chuong, Vietnam, the trend of daylight duration throughout the year reveals a gentle rhythm, with September experiencing 12 hours of daylight. As summer peaks in the preceding months of May to August, daylight reaches a high of 13 hours. However, by September, it gracefully transitions to a slightly shorter duration, a precursor to the shorter days of autumn. This shift not only marks a change in light but also hints at the upcoming cooler seasons. Following September, daylight persists at 12 hours before gradually dwindling again in October, settling back to 11 hours for the remainder of the year. The ebb and flow of daylight here beautifully underscores the cyclical nature of the seasons, inviting residents to embrace the natural changes around them.

Average Daylight Hours in Thanh Chuong for September

The chart illustrates the variation in daylight duration in Thanh Chuong throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 7m11h 31m12h 1m12h 33m13h13h 13m13h 6m12h 43m12h 13m11h 41m11h 14m11h
Data source: Thanh Chuong daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Thanh Chuong

In September in Thanh Chuong, Vietnam, the winds tend to take a gentle pause, averaging 1.5 m/s (3 mph), making it one of the calmer months of the year. This slight reduction follows a seasonal peak during the summer when wind speeds surged to 3.1 m/s (7 mph) in June. The pleasant, subdued breezes of September create a serene backdrop, allowing residents and visitors alike to embrace the tranquil beauty of the landscape as the rainy season approaches. As the calendar turns toward autumn, the winds gradually pick up once again, signaling a shift in the weather dynamics of this picturesque region.

Average September Wind Speed in Thanh Chuong

The chart displays monthly wind speed patterns in Thanh Chuong, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.61.61.61.51.93.12.42.71.5 m/s1.81.61.7
Data source: Thanh Chuong September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Thanh Chuong Compares to Other Months

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

In September, the weather is characterized by warm temperatures, with a minimum of 21°C (70°F) and an average of 27°C (81°F), peaking at a hot 36°C (96°F). This month also experiences considerable rainfall, totaling 350 mm (13.8 in) across 20 days, and high humidity levels averaging 84%. In contrast, January sees a significant drop in temperature, with a minimum of 7°C (44°F) and an average of 18°C (64°F), reaching a maximum of 31°C (88°F). Rainfall is much lower in January, at 91 mm (3.6 in) over 14 days, with humidity levels around 74%. For more detailed information, you can refer to Thanh Chuong weather in January.

September and February present contrasting weather conditions. In September, temperatures range from a minimum of 21°C (70°F) to a scorching maximum of 36°C (96°F), with an average of 27°C (81°F). The month is characterized by significant rainfall, receiving about 350 mm (13.8 in) over 20 days and high humidity levels at 84%. In stark contrast, February features much cooler temperatures, with a minimum of 8°C (46°F) and a maximum of 32°C (90°F), averaging around 19°C (66°F). Precipitation is relatively low, totaling 74 mm (2.9 in) across 11 days, and humidity drops to 77%. For more details, you can check Thanh Chuong weather in February.

In September, the weather is notably warmer, with temperatures ranging from a minimum of 21°C (70°F) to a scorching maximum of 36°C (96°F), averaging around 27°C (81°F). The month is also characterized by high humidity at 84% and significant rainfall, totaling 350 mm (13.8 in) over approximately 20 days. In contrast, March offers a more moderate climate, with temperatures starting at a cooler minimum of 11°C (52°F) and peaking at 35°C (95°F), averaging 23°C (73°F). Precipitation is considerably lower at 124 mm (4.9 in) over 17 days, and humidity decreases to 74%. For more specific details on March weather in the region, you can refer to Thanh Chuong weather in March.

In September, the weather tends to be hot and humid, with average temperatures around 27°C (81°F) and maximums reaching up to 36°C (96°F). The month is characterized by significant rainfall, accumulating about 350 mm (13.8 in) over 20 days and maintaining a high humidity level of 84%.

In contrast, April brings warmer temperatures with a minimum of 14°C (57°F) and averages around 25°C (77°F), peaking at a scorching 38°C (100°F). While it is generally drier with only 172 mm (6.8 in) of precipitation over 17 days, the humidity is more manageable at 70%. For detailed insights into the April weather, you can explore Thanh Chuong weather in April.

In comparing the weather of September and May, September tends to be wetter and more humid, with an average temperature of 27°C (81°F) and significant precipitation of 350 mm (13.8 in) spread over 20 days. In contrast, May offers slightly warmer temperatures, peaking at 39°C (103°F), but experiences less rainfall, averaging 173 mm (6.8 in) over 16 days, and lower humidity at 78%. This makes May feel hotter and drier overall, while September's high humidity contributes to a more oppressive atmosphere. For detailed insights into May weather, you can check Thanh Chuong weather in May.

In comparing the weather between September and June, it's clear that June is typically hotter, with average temperatures reaching 30°C (87°F) and maximums peaking at 40°C (104°F). In contrast, September boasts slightly cooler temperatures, averaging 27°C (81°F) and topping at 36°C (96°F). Additionally, June experiences less precipitation at 92 mm (3.6 in) over about 10 days, compared to September's much heavier rainfall of 350 mm (13.8 in) spread across 20 days. Humidity levels remain relatively similar, with September at 84% and June slightly lower at 82%. For a deeper insight into June's climate, check Thanh Chuong weather in June.

In comparing the weather patterns of September and July, we see notable differences in temperature and precipitation. September experiences slightly lower average temperatures, with a minimum of 21°C (70°F) and a maximum of 36°C (96°F), compared to July, which has a minimum of 24°C (75°F) and a maximum of 39°C (102°F). Despite slightly cooler temperatures in September, it has higher humidity at 84% versus July's 90%. Precipitation levels are also substantial in September, accumulating 350 mm (13.8 in) over 20 days, while July sees 300 mm (11.8 in) over 16 days. For more specific insights into July weather patterns, please refer to Thanh Chuong weather in July.

In comparing the weather of September to that of August, it is evident that September experiences slightly cooler temperatures, with an average of 27°C (81°F) compared to August's 29°C (84°F). The maximum temperature in September reaches 36°C (96°F), which is just shy of August's peak of 37°C (100°F). Additionally, September sees a considerable increase in precipitation, totaling 350 mm (13.8 in) over 20 days, whereas August had lower rainfall at 259 mm (10.2 in) over 19 days. Humidity levels also differ, with September at 84% and August slightly higher at 90%. For more detailed weather information for August in Thanh Chuong, you can visit Thanh Chuong weather in August.

In September, the weather is notably warmer, with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 36°C (96°F) and an average of 27°C (81°F). The month is characterized by significant rainfall, totaling 350 mm (13.8 in) over 20 days, and high humidity levels averaging 84%.

In contrast, October experiences cooler temperatures, with a minimum of 17°C (63°F), an average of 24°C (76°F), and a maximum of 33°C (92°F). Precipitation increases to 520 mm (20.5 in), occurring over 23 days, while humidity slightly decreases to 81%.

For a more detailed look at the weather conditions in October, you can check Thanh Chuong weather in October.

September and November present distinct contrasts in weather. September boasts warmer temperatures, with averages around 27°C (81°F) and highs reaching up to 36°C (96°F), while November cools down significantly, with average temperatures of 22°C (71°F) and a maximum of 33°C (92°F). Precipitation is more abundant in September, with 350 mm (13.8 in) of rainfall over 20 days compared to just 171 mm (6.7 in) over 16 days in November. Additionally, humidity levels are slightly higher in September at 84%, while November sees a decrease to 78%. For a more detailed look at the weather in November, you can check Thanh Chuong weather in November.

In September, the weather is notably warmer and more humid, with temperatures ranging from a minimum of 21°C (70°F) to a scorching maximum of 36°C (96°F) and an average of 27°C (81°F). The month is also characterized by significant rainfall, with 350 mm (13.8 in) of precipitation occurring over 20 days and humidity levels peaking at 84%. In contrast, December sees much cooler temperatures, with a minimum of 9°C (48°F), an average of 18°C (65°F), and a maximum of 28°C (82°F). Rainfall decreases significantly to 151 mm (5.9 in) over 17 days, and humidity lowers slightly to 78%. The shift from the warmth and humidity of September to the cooler, drier conditions of December illustrates the transition into the winter season. For a more detailed look at the December weather, check out Thanh Chuong weather in December.

Compare Thanh Chuong's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Thanh Chuong

As September rolls in, Thanh Chuong experiences a notable shift in weather, setting itself apart from the sweltering summer months. With average temperatures comfortably at 27°C but peaking at a hot 36°C, the warmth is still palpable. However, what truly distinguishes September is the considerable increase in precipitation, with about 350 mm falling over 20 days, filling the air with humidity levels reaching 84%. This month marks a transition towards the wetter season, enhancing the lush green landscapes and offering a refreshing change from the dry spells of summer. To dive deeper into the climatic patterns of Thanh Chuong, visit Thanh Chuong Climate.