Last updated: August 28, 2025
In September, Mu Cang Chai, Vietnam, experiences a vibrant and humid climate, characterized by an average temperature of 22°C (73°F), ranging from a refreshing 15°C (59°F) to a warm 31°C (89°F). However, with 239 mm (9.4 in) of rainfall spread over 26 days, this month is marked by frequent, often heavy showers, contributing to the region's lush landscapes. The high humidity level of 82% further enhances the feeling of warmth, creating a tropical atmosphere that envelops visitors. Embrace the beauty of changing seasons and rich, green scenery that September showers bestow upon this stunning destination.
As September unfolds in Mu Cang Chai, Vietnam, temperatures begin to shift, offering a refreshing change after the summer heat. The month sees a minimum of 15°C (59°F), with an average hovering around 22°C (73°F), and a maximum reaching up to 31°C (89°F). This slight dip in minimum temperatures compared to the previous months signals the onset of the autumn season, as the region transitions from the warmer, humid days of summer to cooler, more comfortable weather. The blend of mild temperatures and vibrant landscapes makes September an inviting time to experience the breathtaking rice terraces that Mu Cang Chai is famous for, drawing visitors eager to witness the beauty of the harvest season.
In September, Mu Cang Chai experiences a significant precipitation shift, receiving 239 mm (9.4 in) of rain over 26 days. This marks a noticeable decrease from the torrential rains of the preceding months, particularly August, when the region recorded its peak rainfall of 506 mm (19.9 in). As the monsoon season gradually transitions, September's rainfall remains substantial, yet the frequency of rainy days highlights a slight reprieve compared to July and August, both of which saw continuous heavy downpours. Despite this moderation, the lush landscapes of Mu Cang Chai continue to thrive, showcasing the stunning beauty of its terraced rice fields under varying weather conditions. Overall, September serves as a pivotal month, balancing the lingering monsoon effects while paving the way for the drier months ahead.
In September, Mu Cang Chai experiences a moderate drop in humidity, settling at 82%. Following the peak of the summer months, July and August, which see humidity soar to a sweltering 91% and 92%, September marks a transition into the cooler, more comfortable autumn season. As the rice terraces begin to take on their golden hues, this slight decrease in humidity is a welcome shift for both locals and visitors. The months leading up to September showcase a clear trend of increasing moisture, with June through August consistently reaching high levels. However, as October approaches, humidity levels continue to decline, suggesting a refreshing change in the air and a perfect time to explore the breathtaking landscapes.
In September, Mu Cang Chai, Vietnam continues to experience an extreme UV Index of 14, consistent with the month preceding it and part of a trend observed throughout the wet season. With a burn time of just 10 minutes, sun exposure is particularly risky, mirroring the intense levels seen from May to August. The area's UV Index peaks during these months, illustrating a clear pattern of heightened sun intensity leading into autumn. As temperatures begin to cool and the rain becomes more frequent, the UV levels gradually decrease, but September remains a month where sun safety is crucial. For a detailed understanding of UV exposure in Mu Cang Chai, be sure to check the complete guide here: Mu Cang Chai UV Index.
UV Risk Categories
September in Mu Cang Chai, Vietnam, basks in a delightful 286 hours of sunshine, continuing the region's trend of ample sunlight leading into autumn. As the summer months wrap up, there’s a slight dip from May's peak of 312 hours, yet September still boasts a generous amount of bright days compared to earlier in the year. This month stands out not just for its sunlit charm but also for its role in bridging the lush landscapes of late summer and the harvest season, making it an enchanting time to explore the terraced rice fields and vibrant local culture. With the sun shining brightly, September invites travelers to experience the breathtaking beauty of this unique mountainous region.
In Mu Cang Chai, Vietnam, the likelihood of enjoying sunny weather in September is relatively modest, sitting at 26%. This reflects a clear trend of decreasing sunshine as the year progresses; with January and February showcasing the highest chances at 53% and 58%, respectively. As spring transitions into summer, the percentages dip notably, reaching their annual lows in the sweltering months of June and July, where sunny days barely crack 10%. Interestingly, September marks a slight improvement over the preceding months of August and July, yet it remains well below the yearly average. As autumn approaches, the chances of sunny weather begin to recover, hinting at a more favorable weather outlook in the following months.
As September unfolds in Mu Cang Chai, Vietnam, the region enjoys 12 hours of daylight, reflecting a steady transition from the longer days of summer. The daylight duration has peaked at 13 hours during the vibrant months of May through July, offering ample time for outdoor exploration. By September, daylight begins to dip slightly, mirroring the natural shift toward the cooler months ahead. This gradual decrease continues into October and November, stabilizing at 11 hours. September serves as a bridge, maintaining a harmonious balance between the warmth of summer and the onset of autumn, making it an ideal time for visitors to experience the stunning terraced landscapes bathed in golden light.
As September sweeps over Mu Cang Chai, the region experiences its gentlest breezes of the year, with an average wind speed dropping to a calm 1.0 m/s (2 mph). This serene atmosphere signals the transition into autumn, as the lush terraced rice fields begin to change hues, framed by the soft whispers of the wind. The trend leading up to September shows a gradual decrease in wind speeds from the pre-monsoon months, peaking subtly in May at 1.6 m/s (4 mph) before settling into the tranquil conditions characteristic of late summer. This drop highlights the area's shift towards a more peaceful time, inviting visitors to immerse themselves in the stunning landscapes without the distraction of harsher winds, making it an ideal month for exploration and appreciation of nature's beauty.
Weather in Mu Cang Chai varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Mu Cang Chai, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present strikingly different weather conditions. In September, temperatures range from a mild 15°C (59°F) to a warm 31°C (89°F), with an average of 22°C (73°F). However, it is also the wettest month, experiencing significant precipitation of 239 mm (9.4 in) over 26 days and high humidity levels at 82%. In contrast, January is much cooler, with temperatures varying from a low of 3°C (38°F) to a pleasant 26°C (79°F), averaging 15°C (59°F). This month sees considerably less rainfall, with only 74 mm (2.9 in) falling over just 6 days and a decrease in humidity to 63%. For a detailed look at January weather, you can check out Mu Cang Chai weather in January.
September and February present distinct weather patterns, showcasing the transition from late summer to early winter. In September, temperatures range from a mild 15°C (59°F) at night to a warm 31°C (89°F) during the day, with an average of 22°C (73°F). This month is also marked by high humidity at 82% and significant rainfall, totaling 239 mm (9.4 in) across 26 days. In contrast, February offers cooler temperatures with a minimum of 4°C (39°F) and a maximum of 29°C (84°F), leading to a more moderate average of 16°C (60°F). Precipitation is much lower in February at 36 mm (1.4 in) over just 8 days, and the humidity drops to 65%. For a closer look at February conditions, check out Mu Cang Chai weather in February.
When comparing the weather in September and March, we notice distinct differences in temperature and precipitation. September experiences a warmer climate with average temperatures around 22°C (73°F) and can peak at 31°C (89°F), while March is slightly cooler, averaging 19°C (67°F) with a maximum of 30°C (86°F). However, September is characterized by high humidity at 82% and significant rainfall, accumulating 239 mm (9.4 in) over 26 days, which contrasts sharply with March's drier conditions, receiving only 70 mm (2.8 in) across 13 days and lower humidity at 57%. For detailed insights into the weather conditions during this time, you can check out Mu Cang Chai weather in March.
In comparing the weather of September and April, we see notable differences in temperature and humidity. September experiences a warmer average temperature of 22°C (73°F) with maximums reaching up to 31°C (89°F), while April, though slightly cooler on average at 21°C (70°F), can spike to a maximum of 33°C (91°F). Additionally, September is marked by high humidity at 82% and significant rainfall, with precipitation measuring 239 mm (9.4 in) over 26 days. In contrast, April has a more moderate humidity level of 50% and considerably less rainfall, totaling 126 mm (5.0 in) over 16 days. For those interested in exploring the climate further, details about Mu Cang Chai weather in April provide valuable insights.
When comparing the weather in September and May, notable differences emerge in temperature and precipitation. September typically enjoys a wider temperature range, with minimums around 15°C (59°F) and maximums reaching up to 31°C (89°F), while May's temperatures are slightly cooler, ranging from a minimum of 13°C (56°F) to a maximum of 34°C (93°F). Additionally, September experiences significantly more rainfall, with an average precipitation of 239 mm (9.4 in) over 26 days, compared to May's 146 mm (5.8 in) across 23 days. Humidity levels are also higher in September at 82%, compared to 68% in May, making May's weather feel a bit more comfortable. For more detailed information on the conditions in May, you can visit Mu Cang Chai weather in May.
In comparing the weather between September and June, September offers slightly cooler evenings with minimum temperatures around 15°C (59°F) compared to June's milder nights at 19°C (66°F). Both months experience similar maximum temperatures, reaching up to 31°C (89°F) in September and 31°C (88°F) in June. However, June is generally wetter, with precipitation levels at 342 mm (13.5 in) over 28 days, while September sees lower rainfall of 239 mm (9.4 in) across 26 days. Humidity levels are also quite high, with September averaging 82% compared to June's 79%. For a more detailed look at June weather, you can check Mu Cang Chai weather in June.
When comparing the weather in September and July, it's evident that July tends to be more humid and wetter. While both months have similar maximum temperatures, July experiences higher minimum temperatures, averaging 19°C (67°F) compared to September's 15°C (59°F). In terms of precipitation, July sees significantly more rain, with 410 mm (16.2 in) over 30 days, compared to September's 239 mm (9.4 in) over 26 days. This results in July having a higher humidity level of 91%, relative to September's 82%. For more specific information about July weather, you can visit Mu Cang Chai weather in July.
In comparing September to August, September experiences slightly cooler temperatures, with a minimum of 15°C (59°F) and an average of 22°C (73°F), while August starts off warmer with a minimum of 19°C (66°F) and an average of 23°C (74°F). Both months have a maximum temperature of around 31°C (88-89°F), but September sees a notable reduction in precipitation, totaling 239 mm (9.4 in) over 26 days compared to August's 506 mm (19.9 in) spread over 30 days. Furthermore, humidity levels drop slightly in September to 82% from August's 92%, providing a more comfortable atmosphere. For those interested in a more detailed understanding, you can refer to Mu Cang Chai weather in August.
In September, the weather is characterized by warmer temperatures, with a minimum of 15°C (59°F) and an average of 22°C (73°F), reaching up to a maximum of 31°C (89°F). This month also sees significant rainfall, totaling 239 mm (9.4 in) over 26 days, and high humidity levels at 82%.
In contrast, October brings cooler temperatures, with a minimum of 11°C (53°F) and an average of 20°C (69°F), peaking at 29°C (84°F). Rainfall decreases notably to 142 mm (5.6 in) over just 18 days, and humidity also drops to 76%. This transition marks October as a month that is not only cooler but also drier compared to September, making it more comfortable for outdoor activities. For more detailed weather information, you can check Mu Cang Chai weather in October.
September and November present distinctly different weather patterns. In September, temperatures range from a minimum of 15°C (59°F) to a maximum of 31°C (89°F), with an average of 22°C (73°F). The month sees significant rainfall, totaling 239 mm (9.4 in) over 26 days, resulting in high humidity levels at 82%. In contrast, November enjoys milder temperatures, with a minimum of 8°C (47°F), an average of 18°C (64°F), and a maximum of 27°C (81°F). Precipitation drops dramatically to just 36 mm (1.4 in) over 7 days, accompanied by a lower humidity of 72%. For more detailed insights into the weather during November, you can check Mu Cang Chai weather in November.
In September, the weather is characterized by relatively warm temperatures, with a minimum of 15°C (59°F) and an average of 22°C (73°F), reaching highs of up to 31°C (89°F). This month also sees considerable precipitation, with 239 mm (9.4 inches) spread over 26 days, leading to a high humidity level of 82%. In contrast, December brings a significant drop in temperatures, with minimums of 3°C (37°F) and an average of 15°C (58°F), peaking at 27°C (80°F). Precipitation is much lower at 40 mm (1.6 inches) over just 4 days, and humidity decreases to 68%. For a more detailed look at December's weather specifics, you can visit Mu Cang Chai weather in December.
In September, Mu Cang Chai experiences a notable shift in weather compared to other months, with a blend of warm temperatures and increased humidity. While daytime highs can reach a balmy 31°C, the air feels heavier due to an average humidity of 82%. Frequent rainfall, spanning 26 days and totaling 239 mm, transforms the landscape into a lush, vibrant tapestry, creating a stunning backdrop for visitors. This month stands out for its unique weather patterns, making it a captivating time to explore the region. For more detailed insights, check out the comprehensive guide on Mu Cang Chai Climate.