Last updated: August 28, 2025
In September, Son Tra, Vietnam, offers a warm tropical climate characterized by a maximum temperature of 34°C (94°F) and an average of 29°C (84°F), making it an ideal time for beach activities and exploration. With nighttime temperatures dipping to a minimum of 25°C (77°F), the evenings remain pleasantly warm. However, travelers should be prepared for significant rainfall, as the month sees approximately 246 mm (9.7 in) of precipitation over 23 days, leading to high humidity levels around 88%. Despite the rains, the lush landscape and vibrant atmosphere create a captivating experience for visitors and locals alike.
As September rolls into Son Tra, Vietnam, the temperatures start to reflect the transition from summer's heat to a more temperate climate. With minimums at 25°C (77°F) and averages hovering around 29°C (84°F), this month maintains a warm embrace, while the maximum temperatures peak at 34°C (94°F). Compared to the sweltering months of July and August, September offers a slight reprieve, as it’s not only cooler but also marked by an inviting atmosphere for outdoor pursuits. As humidity begins to taper off, visitors can relish the lush landscapes and stunning coastlines, making September an ideal time to explore the natural beauty of this coastal gem.
In September, Son Tra, Vietnam experiences a significant upward shift in precipitation, with a notable 246 mm (9.7 in) of rain falling over the month, making it the wettest in the year. This spike is accompanied by 23 days of rainfall, reflecting a robust trend of increasing precipitation as the region transitions from the drier months of summer. The rainfall amount nearly doubles compared to August's 142 mm (5.6 in), indicating a clear shift as the monsoon season progresses. Notably, this trend continues into the following months, with October and November also showcasing high precipitation levels, often exceeding 500 mm. Such patterns signify September as a key transitional period, setting the stage for the region's most intense rainfall, making it vital for local ecosystems and agriculture.
In September, humidity in Son Tra, Vietnam, reaches an average of 88%, marking a slight increase from the preceding months. This trend indicates a gradual rise as the year progresses, with humidity starting at 86% in January and peaking at 91% in November. Notably, the summer months from June to August see relatively high levels, with August hitting 87%, before the humidity reaches its highest point just before the rainy season in October. As the transition into fall creates a more humid atmosphere, the lush, tropical environment of Son Tra becomes increasingly vibrant, illustrating the region's unique climate patterns.
In September, Son Tra continues to experience exceptionally high UV levels, with a UV Index of 13 categorized as extreme. This marks a slight decrease from the peak of 15 in April, yet the risk remains significant. With a burn time of just 10 minutes, it's crucial for outdoor enthusiasts to stay vigilant and take precautions. The trend throughout the months showcases a consistent high exposure to UV radiation from January to September, emphasizing the importance of sun safety as the year progresses. As the weather shifts towards October, the UV Index drops to 12, but remains in the extreme exposure category. For more information about the UV index at this beautiful destination, check out Son Tra UV Index.
UV Risk Categories
In September, Son Tra, Vietnam, boasts an impressive 302 hours of sunshine, marking the tail end of a radiant summer that peaks in May with 329 hours. As the year progresses from this sunny climax, the number of sunlight hours exhibits a gradual decline, with October and November retreating to 273 and 239 hours, respectively. However, despite this decrease, September's warmth still lingers, illustrating a transition into the cooler months without sacrificing the vibrant sunshine that characterizes Son Tra's climate. The consistent abundance of sunlight throughout the summer months truly highlights the region's allure for sun-seekers, making September a splendid time to bask in the glow of this coastal paradise.
In Son Tra, Vietnam, the likelihood of sunny weather takes a notable dip in September, with only a 23% chance of sunshine. This trend of declining sunny days continues from the summer months, where August records a similarly low 22% chance. Following a brief spike in February, the probability of sun tends to hover around the mid to low twenties for much of the latter part of the year. As September marks the transition into the wetter months, those seeking bright skies may find themselves navigating a season characterized by cloudier and more unpredictable weather, making the dreamy landscapes of Son Tra a bit more elusive this time of year.
In Son Tra, Vietnam, the month of September continues the trend of steady daylight that characterizes the region, offering 12 hours of sunlight each day. The daylight duration remains consistent with August's tally, showcasing a balance that stretches from March through to July, where days gradually lengthen during the warmer months. As the year progresses into the cooler October, daylight decreases to 11 hours, echoing the pattern of earlier months. This rhythmic variation in daylight not only reflects the natural ebb and flow of the seasons but also enhances the region's vibrant atmosphere, making September a delightful time to explore the lush landscapes and local culture under the sun.
As September unfolds in Son Tra, Vietnam, the gentle whispers of the wind begin to rise, with an average speed of 2.8 m/s (6 mph). This month marks a subtle uptick from the lighter breezes of the summer, reflecting a gradual transition into the more invigorating winds of autumn. While the earlier months see the wind hovering around 2.1 to 3.0 m/s, September's breeze hints at the approaching October, when speeds climb further to 3.3 m/s (7 mph) and continue to strengthen as the year draws to a close. This gradual increase not only offers a refreshing respite but also sets the stage for the crisp, vibrant days ahead, inviting both locals and travelers to experience the dynamic beauty of Son Tra's coastal landscape.
Weather in Son Tra varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Son Tra, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present distinct 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). The month is characterized by high humidity at 88% and significant rainfall, totaling 246 mm (9.7 in) over 23 days. In contrast, January offers a milder climate, with temperatures ranging from 16°C (61°F) to 28°C (84°F) and an average of 22°C (73°F). Precipitation is also lower in January, amounting to 161 mm (6.4 in) over 19 days, with slightly reduced humidity at 86%. For more detailed information on weather conditions, check this link: Son Tra weather in January.
September and February present distinct weather patterns. In September, temperatures are noticeably warmer, with averages around 29°C (84°F) and maximums reaching up to 34°C (94°F). The month also sees significant rainfall, with about 246 mm (9.7 in) spread over 23 days, and high humidity levels at 88%. In contrast, February offers a milder climate, with average temperatures of 22°C (73°F), maximums of 30°C (85°F), and less precipitation at 84 mm (3.3 in) over 12 days, along with slightly lower humidity at 83%. For those looking to explore the weather in February, you can find more information here: Son Tra weather in February.
In contrast to the warm and humid September weather, which sees temperatures ranging from a minimum of 25°C (77°F) to a maximum of 34°C (94°F) with an average of 29°C (84°F), March offers a more moderate climate. During March, temperatures are cooler, with a minimum of 19°C (67°F), an average of 25°C (77°F), and a peak temperature of 31°C (89°F). Moreover, precipitation levels are significantly lower in March, totaling 80 mm (3.2 in) over just 11 days compared to September's 246 mm (9.7 in) over 23 days. The humidity also slightly decreases from 88% in September to 78% in March. For more details on March weather, you can visit Son Tra weather in March.
September and April showcase contrasting weather patterns, though both months can reach maximum temperatures of 34°C (94°F). In September, the average temperature is notably higher at 29°C (84°F), compared to April's cooler average of 26°C (80°F). Additionally, September experiences significantly more rainfall, with 246 mm (9.7 in) over 23 days, while April sees only 79 mm (3.1 in) across 10 days. Humidity levels also differ, soaring to 88% in September and declining to 75% in April, making April a somewhat more comfortable transition into the dry season. For more detailed insights, check out Son Tra weather in April.
September and May exhibit notable differences in 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). The month is characterized by high humidity at 88% and significant rainfall, totaling 246 mm (9.7 in) across 23 days. In contrast, May has slightly lower minimum temperatures at 23°C (74°F) and can reach up to 36°C (96°F), sharing the same average of 29°C (84°F) with September. However, May experiences less rainfall at 108 mm (4.3 in) over 14 days and lower humidity at 80%. For more weather insights, check out Son Tra weather in May.
In comparing the weather of September and June, September experiences slightly milder temperatures, with average highs reaching 34°C (94°F) compared to June's maximum of 37°C (98°F). However, September sees significantly higher rainfall, with 246 mm (9.7 in) over 23 days, while June has just 69 mm (2.7 in) of precipitation on 13 days. Humidity levels remain comparable, with September at 88% and June at 85%. Overall, September is characterized by more rain and slightly cooler temperatures, making it quite different from the hotter, drier June. For more detailed information, visit Son Tra weather in June.
In September, the weather tends to be slightly cooler than in July, with average temperatures ranging from a minimum of 25°C (77°F) to a maximum of 34°C (94°F) compared to July's range of 26°C (79°F) to 36°C (97°F). September also experiences significantly higher rainfall, accumulating 246 mm (9.7 in) over 23 days, while July sees only 146 mm (5.8 in) of precipitation across 18 days. Humidity levels are comparable, with September at 88% and July at 85%, creating a consistently muggy atmosphere throughout both months. For more detailed information on July weather, you can check Son Tra weather in July.
In September, the weather experiences a slight cooling trend compared to August, with average temperatures dropping from 30°C (86°F) in August to 29°C (84°F) in September. However, September brings increased precipitation, with 246 mm (9.7 in) recorded over 23 days, compared to August's 142 mm (5.6 in) over 19 days. Humidity levels remain high, slightly rising from 87% in August to 88% in September. For a more in-depth look at the weather during this month, refer to Son Tra weather in August.
In September, the weather is characterized by warmer temperatures, with a minimum of 25°C (77°F), an average of 29°C (84°F), and a maximum of 34°C (94°F). The month is also quite rainy, with a total precipitation of 246 mm (9.7 in) spread over 23 days and high humidity at 88%.
In contrast, October sees slightly cooler temperatures, with a minimum of 23°C (73°F), an average of 27°C (80°F), and a maximum of 32°C (90°F). However, this month is significantly wetter, experiencing 533 mm (21.0 in) of rainfall over 25 days, coupled with a slight increase in humidity to 90%. For more detailed insights into the weather during October, you can check Son Tra weather in October.
In September, the weather is characterized by warm temperatures, with a minimum of 25°C (77°F) and an average of 29°C (84°F), peaking at a maximum of 34°C (94°F). However, this month also sees significant rainfall, with 246 mm (9.7 in) of precipitation spread across 23 days and high humidity levels of 88%. In contrast, November experiences 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). Despite the lower temperatures, November brings even more rain, totaling 596 mm (23.5 in) over the same number of rainy days, and slightly higher humidity at 91%. For more specific details about weather patterns during November, you can visit Son Tra weather in November.
In September, temperatures are generally warmer, with averages around 29°C (84°F) and maximums reaching up to 34°C (94°F), while December cools down significantly, featuring an average temperature of 23°C (73°F) and a max of 28°C (83°F). Both months experience considerable rainfall, but December sees a higher total precipitation of 355 mm (14.0 in) over 24 days compared to September's 246 mm (9.7 in) over 23 days. Humidity remains high in both months, peaking at 89% in December, slightly above September's 88%. For more detailed information, you can check Son Tra weather in December.
In September, Son Tra experiences a unique shift in weather patterns compared to other months, with higher humidity levels and frequent rainfall. While temperatures remain warm, reaching an average of 29°C, the increased precipitation—spanning nearly the entire month—brings a refreshing yet challenging atmosphere for outdoor activities. The lush greenery flourishes during this time, enhancing the area's natural beauty. If you're curious about the intricacies of Son Tra's climate throughout the year, explore more at Son Tra Climate.