Last updated: August 28, 2025
In Ngu Hanh Son, Vietnam, September brings a warm tropical climate, with maximum temperatures reaching 34°C (94°F) and an average of 29°C (84°F). This month also sees a minimum temperature of 25°C (77°F), creating a consistently balmy atmosphere. However, visitors should prepare for significant rainfall, as September averages 246 mm (9.7 in) of precipitation spread across 23 days of rain. With humidity levels around 88%, the air can feel quite heavy, making it essential to stay hydrated and seek out indoor activities during downpours. Embrace the vibrant lushness brought by the rain, but be ready for occasional wet weather as you explore this beautiful region!
As September rolls into Ngu Hanh Son, the temperatures begin to cool slightly, offering a refreshing transition toward autumn. With minimums at 25°C (77°F) and averages around 29°C (84°F), this month maintains a warm yet comfortable feel, perfect for outdoor exploration. The maximum temperatures peak at 34°C (94°F), slightly lower than the heights of summer but still inviting enough for sun-seekers. Compared to the soaring temperatures of the preceding months, September presents a gradual dip, signaling the shift from the intense summer heat towards a more temperate climate. This makes the month an ideal time for travelers looking to embrace the beauty of Ngu Hanh Son without the sweltering humidity experienced in earlier summer.
September sees a significant spike in precipitation in Ngu Hanh Son, with 246 mm (9.7 in) of rain falling over the month. This notable increase marks a distinct transition as the region shifts from the relatively dry summer months into the heart of the wet season. With 23 days of rainfall, September is characterized by frequent showers, contributing to nearly double the amount of precipitation compared to the drier months earlier in the year. This trend foreshadows even heavier rainfall in the following months, particularly in October and November, when precipitation levels soar to 533 mm (21.0 in) and 596 mm (23.5 in) respectively. As nature replenishes the landscape, September's wet conditions set the stage for the lush greenery that characterizes this period in Ngu Hanh Son.
In September, Ngu Hanh Son experiences its highest humidity levels of the year at 88%, following a trend of increasing moisture that began in the summer months. After a steady rise from July's 85% through August's 87%, September marks a peak before the humidity edges even higher in October and November. This month typically ushers in a palpable stickiness in the air, a reminder of the region's tropical climate. As the year progresses, the humidity remains consistently high, with only mild fluctuations, highlighting the lushness and vibrancy that characterize this beautiful Vietnamese locale.
In September, Ngu Hanh Son, Vietnam, continues to experience extreme UV levels with an index of 13, requiring vigilant sun protection as the burn time is only 10 minutes. This month marks a slight decrease from the peak of 15 in April, yet it remains consistently high, reflecting a trend of extreme UV exposure from February through August. With October bringing a marginal drop to an index of 12, the region doesn't quite escape the sun's powerful rays. Travelers and locals alike should remain aware of the potential for harmful effects from sun exposure during these months, making protection a priority. For more detailed information, visit Ngu Hanh Son UV Index.
UV Risk Categories
In September, Ngu Hanh Son basks in a generous 302 hours of sunshine, perfectly bridging the radiant summer months and the softer glow of autumn. This marks a slight decline from the peak of 329 hours in May, yet it remains significantly bright compared to the winter months ahead. As the summer heat begins to fade, September offers a delightful blend of warmth and comfort, making it an ideal time for outdoor adventures and exploration. The trend of consistently high sunshine hours throughout the summer continues to paint this coastal paradise in a vivid light, inviting visitors to immerse themselves in its stunning landscapes before the days grow shorter.
In September, Ngu Hanh Son, Vietnam experiences a modest 23% chance of sunny weather, marking one of the year's lower probabilities. This trend follows a notable decline in sunshine opportunities during the late summer months, as August witnesses even less sun at just 22%. As we reflect on the year, January starts strong with a 25% chance, peaking in February at 55%. However, as the seasons progress, the likelihood of sunshine diminishes, creating a clear downward trend that reaches its nadir in the fall. This seasonal pattern suggests that those hoping for sun-kissed days in September should prepare for the possibility of overcast skies.
In Ngu Hanh Son, Vietnam, September marks a continuation of the steady daylight patterns seen throughout the year, offering 12 hours of sunlight each day. As the summer months fade, the daylight duration subtly balances, having reached its peak in June with 13 hours. This month serves as a transition, where the daylight begins to gently wane, returning to 11 hours by October. Notably, the early months of the year showcase a stable 11 hours of daylight, gradually increasing to a maximum in summer before settling back into a rhythm that signals the onset of autumn. This consistent cycle not only highlights the region's tropical climate but also the comforting predictability of its seasons.
Nestled within the serene landscapes of Ngu Hanh Son, September brings a gentle breeze, with an average wind speed of 2.8 m/s (6 mph). This slight uptick from the summer months reflects a gradual transition into the more invigorating winds of autumn. While the breezes in June dipped to a mere 2.1 m/s (5 mph), they began to steadily recover throughout the later summer months. As the year approaches its end, the winds in Ngu Hanh Son showcase a noticeable increase, culminating in November and December where they reach 3.5 m/s (8 mph) and 3.8 m/s (8 mph) respectively. September's refreshing winds not only enhance the scenic beauty of this coastal gem but also hint at the vibrant change that autumn brings, encouraging both locals and travelers to embrace the outdoors.
Weather in Ngu Hanh Son varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Ngu Hanh Son, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January exhibit contrasting weather patterns. In September, the temperatures are notably warmer, with a minimum of 25°C (77°F) and averaging around 29°C (84°F), reaching highs of 34°C (94°F). This month also experiences significant rainfall, totaling 246 mm (9.7 in) across 23 days, coupled with high humidity at 88%. In contrast, January brings cooler temperatures, with a minimum of 16°C (61°F), an average of 22°C (73°F), and a maximum of 28°C (84°F). Precipitation decreases to 161 mm (6.4 in) over 19 days, with humidity slightly lower at 86%. For more detailed information, refer to Ngu Hanh Son weather in January.
September and February present notably different weather patterns. In September, temperatures range from a minimum of 25°C (77°F) to a maximum of 34°C (94°F), with an average of 29°C (84°F). This month is also characterized by high humidity levels at 88% and significant precipitation, totaling 246 mm (9.7 in) over 23 days. In contrast, February features milder temperatures, with a minimum of 16°C (61°F), an average of 22°C (73°F), and a maximum of 30°C (85°F). Additionally, February experiences considerably less rainfall, at 84 mm (3.3 in) over just 12 days, alongside slightly lower humidity at 83%. For a more detailed look at the weather in this specific period, you can visit Ngu Hanh Son weather in February.
September and March present quite distinct weather conditions. In September, temperatures are higher, with a minimum of 25°C (77°F) and an average of 29°C (84°F), peaking at 34°C (94°F). This month also sees substantial rainfall, with 246 mm (9.7 in) spread over 23 days, contributing to a high humidity level of 88%. In contrast, March offers milder conditions, with temperatures ranging from a minimum of 19°C (67°F) to an average of 25°C (77°F) and a maximum of 31°C (89°F). The rainfall is significantly less, totaling only 80 mm (3.2 in) across 11 days, and the humidity is slightly lower at 78%. For a closer look at March weather specifics, check out Ngu Hanh Son weather in March.
In comparing the weather between September and April, we see notable differences in both temperature and precipitation. September boasts a higher average temperature of 29°C (84°F) compared to April’s more moderate 26°C (80°F). However, both months can reach the same maximum temperature of 34°C (94°F). The most striking contrast lies in precipitation; September experiences significantly more rain, with 246 mm (9.7 in) spread over 23 days, while April averages only 79 mm (3.1 in) over just 10 days. Additionally, humidity levels are higher in September at 88%, compared to April's 75%. For more detailed weather information, you can visit Ngu Hanh Son weather in April.
In comparing the weather between September and May, both months experience average temperatures around 29°C (84°F), but there are notable differences in other aspects. September tends to be more humid, with an average humidity level of 88%, compared to May's lower 80%. While September's minimum temperature is slightly higher at 25°C (77°F), May can peak at a hotter maximum of 36°C (96°F). Additionally, September experiences considerably more rainfall, averaging 246 mm (9.7 in) across 23 days, whereas May sees only 108 mm (4.3 in) over 14 days. For more detailed information about the weather in May, you can visit Ngu Hanh Son weather in May.
When comparing the weather in September and June, we see notable differences in temperature and precipitation. September's temperatures range from a minimum of 25°C (77°F) to a maximum of 34°C (94°F), with an average of 29°C (84°F). In contrast, June is slightly warmer, with temperatures ranging from a minimum of 26°C (78°F) to a maximum of 37°C (98°F), averaging at 30°C (87°F). Additionally, September experiences significantly higher rainfall, with 246 mm (9.7 in) over 23 days, compared to June's much lighter precipitation of 69 mm (2.7 in) over just 13 days. The humidity is similar, with September at 88% and June at 85%. For more specific insights into June weather in this region, check out Ngu Hanh Son weather in June.
In comparing the weather patterns of September and July, September experiences slightly cooler temperatures, with an average of 29°C (84°F) compared to July’s average of 30°C (86°F). While both months boast high temperatures, July records a maximum of 36°C (97°F), which is notably higher than September’s maximum of 34°C (94°F). Additionally, September is characterized by significantly more precipitation, totaling 246 mm (9.7 in) over 23 rainy days, whereas July has less rain at 146 mm (5.8 in) distributed over 18 days. Humidity levels are quite similar in both months, with September at 88% and July at 85%. For more detailed information on the weather specifics for July, you can check Ngu Hanh Son weather in July.
Comparing the weather in September and August, we see that September has slightly lower average temperatures, with a minimum of 25°C and a maximum of 34°C, compared to August's minimum of 25°C and maximum of 36°C. While both months experience high humidity—88% in September and 87% in August—September has significantly more precipitation, totaling 246 mm over 23 days, compared to August's 142 mm over 19 days. This indicates that September is not only cooler on average but also rainier than August. For more detailed insights, you can check Ngu Hanh Son weather in August.
In September, the weather features a minimum temperature of 25°C (77°F) and averages around 29°C (84°F), peaking at a maximum of 34°C (94°F). However, it also brings significant rainfall, with a total precipitation of 246 mm (9.7 in) spread over 23 days and humidity levels sitting at a high 88%.
In contrast, October sees a slight decrease in temperature, with minimums of 23°C (73°F) and average temperatures dropping to 27°C (80°F), while the maximum temperature reaches 32°C (90°F). October is considerably wetter, accumulating 533 mm (21.0 in) of rain over 25 days, coupled with a marginally higher humidity of 90%. For more detailed insights into October weather, you can refer to Ngu Hanh Son weather in October.
In comparing the weather between September and November, we see a noticeable shift in temperature and precipitation. September boasts warmer temperatures, with a minimum of 25°C (77°F) and an average of 29°C (84°F), peaking at 34°C (94°F). However, it also experiences significant rainfall, totaling 246 mm (9.7 inches) over 23 rainy days, coupled with high humidity at 88%. In contrast, November features cooler temperatures, with a minimum of 21°C (71°F) and an average of 25°C (77°F), reaching a maximum of 30°C (85°F). Interestingly, November sees a marked increase in precipitation, totaling 596 mm (23.5 inches) across the same 23 days, and humidity rises slightly to 91%. For a detailed look at the specific weather patterns during this time, you can check out Ngu Hanh Son weather in November.
In September, the weather is typically warm, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 34°C (94°F) and an average of 29°C (84°F). This month is characterized by significant rainfall, with 246 mm (9.7 in) of precipitation spread over 23 days, accompanied by high humidity levels of 88%. In contrast, December brings cooler temperatures, with a minimum of 18°C (64°F), an average of 23°C (73°F), and a maximum of 28°C (83°F). However, it is also wetter, with 355 mm (14.0 in) of rainfall over 24 days, and humidity remains similarly high at 89%. For more detailed insights about the weather in December, visit Ngu Hanh Son weather in December.
As September unfolds in Ngu Hanh Son, the weather presents a unique blend of warmth and moisture, setting it apart from the drier months of summer. With an average temperature hovering around a comfortable 29°C, it's a time when the landscape flourishes thanks to substantial rainfall—246 mm over 23 rainy days. This increase in humidity can make the air feel heavy, creating a muggy atmosphere not typically felt in the preceding months. While the heat remains, the frequent showers foster a vibrant green environment, making September an enchanting time for visitors seeking to experience the natural beauty of the region. For a deeper understanding of the climate nuances, explore Ngu Hanh Son Climate.