Last updated: August 28, 2025
September in Bien Hoa, Vietnam presents a warm tropical climate characterized by a maximum temperature reaching 34°C (94°F) and an average of 28°C (82°F), while the nights cool down to a pleasant 24°C (75°F). This month is notably wet, with a precipitation total of 286 mm (11.3 in), occurring over 27 days, resulting in a humid atmosphere with levels soaring to 89%. Travelers should prepare for a blend of warm temperatures and frequent rain, making it essential to embrace the charm of this vibrant region amidst the monsoon season.
In September, Bien Hoa experiences a warm and consistent climate, with minimum temperatures around 24°C (75°F) and an average hovering at about 28°C (82°F). The maximum does not stray far from 34°C (94°F), maintaining the tropical essence of this vibrant city. This month mirrors the preceding summer months of July and August, suggesting a lingering warmth as the transition to the cooler months begins. With such steady temperatures, September is not only ideal for exploring the city's beautiful parks and cultural sites but also perfect for enjoying outdoor activities while soaking in the last remnants of summer before the arrival of October's slightly cooler weather.
In September, Bien Hoa experiences a notable precipitation trend, with 286 mm (11.3 in) of rain spread over 27 days. This substantial rainfall continues the region's wet season momentum, following a peak in August when the area saw 313 mm. Throughout these late summer months, the consistent rain creates a lush landscape, contributing to the area’s rich agricultural productivity. The precipitation in September gradually tapers off as the season transitions into October, where 266 mm (10.5 in) is recorded, suggesting that while the rains remain significant, there may be a gradual decline in daily rainfall frequency. This shift signals the approach of the drier months, which are anticipated to bring relief after an intense rainy period. Overall, September stands out as a critical month for nurturing the local flora, benefiting from the lingering monsoonal patterns typical of this time.
As summer transitions to autumn in Bien Hoa, Vietnam, September marks a slight dip in humidity to 89%, maintaining the high levels typical of the peak wet months. Following the sweltering embrace of August, which recorded an impressive 90%, September's humidity suggests a minor relief, yet remains substantially elevated compared to the lower figures seen earlier in the year, such as 58% in March. This persistent humidity, peaking mid-year, reflects the region's tropical climate, where moisture-laden air prevails, especially as it leads into the heart of the rainy season. Such conditions not only enhance the lush green landscapes but also influence daily life, as residents and visitors alike acclimate to the enduring warmth and dampness characteristic of Bien Hoa's September weather.
In September, Bien Hoa continues to experience high levels of UV radiation, with a UV Index of 13, categorizing it as extreme and maintaining a burn time of just 10 minutes. This trend of critical UV exposure has persisted throughout the year, particularly from February to August, where indices hovered between 14 and 15. Even as the month transitions towards October, the UV Index remains considerably high at 12. As inhabitants and visitors navigate this tropical climate, taking protective measures against the sun is essential. For more details about UV levels year-round, check out Bien Hoa UV Index.
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In September, Bien Hoa, Vietnam, basks in a moderate 256 hours of sunshine, marking a subtle decline from the bustling summer months. This period transitions from the vibrant, sun-drenched days of March and April, which boast the highest hours of sunlight at 327 and 314 hours, respectively. As the year progresses, the city's bright streaks begin to soften, with hours dipping through the late summer into the early autumn months. Despite this decrease, September still holds its charm, offering a warm and inviting atmosphere as it bridges the sun-drenched vibrancy of summer and the cooler hues of the approaching fall. Overall, Bien Hoa's annual sunshine pattern showcases a delightful rhythm, where each month unfolds its own unique blend of light and warmth.
In Bien Hoa, Vietnam, the likelihood of sunny weather dramatically dips in September, reaching a mere 10% chance of sun. This significant reduction is part of a broader trend observed as the year progresses towards the end of the rainy season. In stark contrast to the early months when sunlight reigns—peaking at 56% in March—September marks one of the least favorable times for clear skies, with the sun making an elusive appearance. As summer gives way to autumn, residents and visitors alike can expect overcast days and the occasional drizzle, making outdoor plans a bit more unpredictable during this month.
In Bien Hoa, Vietnam, the patterns of daylight duration reveal a captivating rhythm throughout the year. January and February start with a consistent 11 hours, gradually easing into longer days as spring approaches. By March, the daylight stretches to 12 hours, a trend that continues through the enchanting summer months of April to August. September marks a notable transition, where daylight remains steady at 12 hours, providing a gentle farewell to the extended summer days. As the year winds down, daylight returns to 11 hours in October through December, bringing a sense of closure to the seasonal cycle. This steady ebb and flow not only enhances the daily experience but also reflects the harmonious relationship between time and nature in this vibrant region.
In September, Bien Hoa experiences a gentle breeze, with an average wind speed of 1.8 m/s (4 mph), mirroring the stillness felt in earlier months of the year. As the rainy season transitions, winds oscillate subtly, reflecting the rhythm of nature. Notably, the wind speeds peaked during the mid-year months of June and July, reaching up to 2.5 m/s (6 mph), only to taper off again toward the end of the year. This pattern hints at a mild period of calm as the city prepares for the cooler months ahead, creating an atmosphere that is both tranquil and inviting. The consistency in September’s winds contributes to a serene ambiance, perfect for introspective walks and enjoying the lush surroundings.
Weather in Bien Hoa varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Bien Hoa, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January exhibit notable differences in weather conditions. In September, temperatures range from a minimum of 24°C (75°F) to a maximum of 34°C (94°F), with an average of 28°C (82°F). This month also sees abundant rainfall, with 286 mm (11.3 in) of precipitation over 27 days, leading to high humidity levels of 89%. In contrast, January experiences slightly cooler temperatures, with a minimum of 20°C (68°F) and a maximum of 35°C (95°F), averaging 27°C (81°F). Additionally, January is significantly drier, receiving only 38 mm (1.5 in) of rain over just 6 days and a reduced humidity of 65%. For more detailed weather specifics, you can refer to Bien Hoa weather in January.
September and February showcase notable differences in weather patterns. While September enjoys warm temperatures, with averages around 28°C (82°F) and highs reaching up to 34°C (94°F), it is also characterized by significant rainfall, accumulating 286 mm (11.3 in) over 27 days, leading to high humidity levels of 89%. In contrast, February presents a milder temperature spectrum, with a minimum of 20°C (69°F) and highs peaking at 36°C (97°F), but it boasts much drier conditions. With only 12 mm (0.5 in) of precipitation over just 2 days and a humidity level of 61%, February offers a stark departure from the wet, humid climate of September. For more details, check out Bien Hoa weather in February.
In September, the weather is typically hot and humid, with average temperatures around 28°C (82°F) and high humidity levels reaching 89%. The month experiences significant rainfall, averaging 286 mm (11.3 in) over 27 days, making it a wet and sticky time of year. In contrast, March offers a similar average temperature of 29°C (84°F), but with much less humidity at 58% and far lower precipitation of just 16 mm (0.6 in) over only 4 days. This results in a more pleasant and drier climate in March compared to the damp conditions of September. For a detailed overview, visit Bien Hoa weather in March.
When comparing the weather in September and April, significant differences emerge. In September, average temperatures range from a comfortable minimum of 24°C (75°F) to a maximum of 34°C (94°F), accompanied by high humidity at 89%. This month also experiences substantial rainfall, with 286 mm (11.3 in) of precipitation over 27 days. In contrast, April is generally warmer, with temperatures soaring to a maximum of 38°C (100°F) and an average of 29°C (85°F). Precipitation is markedly lower, totaling 85 mm (3.4 in) across just 15 rainy days, and the humidity drops to a more manageable 60%. For those looking for detailed climate information, visit Bien Hoa weather in April.
In comparing the weather of September and May, September typically features slightly lower temperatures with an average of 28°C (82°F), while May tends to be hotter, peaking at a maximum of 37°C (100°F). September sees significant rainfall, with 286 mm (11.3 in) over 27 days and high humidity at 89%, whereas May experiences less precipitation at 190 mm (7.5 in) over 23 days, accompanied by relatively lower humidity at 80%. This contrast creates a more humid and wet atmosphere in September compared to the hotter conditions in May. For more detailed insights, you can explore Bien Hoa weather in May.
In comparing the weather conditions of September and June, both months feature a similar minimum temperature of 24°C (75°F) and an average temperature hovering around 28°C (82°F in September and 83°F in June). However, June typically sees slightly higher maximum temperatures, peaking at 35°C (95°F), compared to September's 34°C (94°F). While both months are characterized by significant rainfall, September experiences a higher total precipitation of 286 mm (11.3 in) over 27 days, compared to June's 223 mm (8.8 in) across 25 days. Humidity is slightly elevated in September at 89%, while June maintains a slightly lower level at 87%. These differences highlight the transition from the wetter, more humid conditions of September to the slightly drier and warmer atmosphere of June. For more detailed information, you can visit Bien Hoa weather in June.
In both September and July, temperatures remain consistent, with minimums around 24°C (75-76°F), averages at 28°C (82°F), and maximums peaking at 34°C (94°F). However, July experiences slightly higher precipitation, with 298 mm (11.7 in) over 29 days, compared to September's 286 mm (11.3 in) across 27 days. Humidity levels are notably similar in both months, maintaining a high 89%. For a closer look at July weather patterns, visit Bien Hoa weather in July.
In both September and August, temperatures remained quite consistent, with minimums around 24°C (75-76°F) and averages of 28°C (82°F), peaking at 34°C (94°F). However, September saw slightly less rain, receiving 286 mm (11.3 in) over 27 days compared to August's 313 mm (12.3 in) across 29 days of precipitation. Humidity levels were also marginally lower in September at 89%, compared to August's 90%. For more specific details on August weather in Bien Hoa, you can explore Bien Hoa weather in August.
In September, the weather is characterized by slightly higher temperatures, with a minimum of 24°C (75°F) and an average of 28°C (82°F), peaking at 34°C (94°F). The month is quite wet, boasting 286 mm (11.3 in) of precipitation across 27 days, accompanied by high humidity at 89%. In contrast, October sees a slight dip in temperatures, with a minimum of 23°C (74°F) and an average of 27°C (82°F), while still reaching a maximum of 34°C (93°F). Precipitation in October is also a bit lower, totaling 266 mm (10.5 in) over the same number of rainy days, contributing to a slightly reduced humidity level of 87%. For more detailed information, you can check Bien Hoa weather in October.
In comparing the weather between September and November, September tends to be slightly warmer with an average temperature of 28°C (82°F) and maximum highs reaching 34°C (94°F). Conversely, November has a slightly cooler average temperature of 27°C (82°F), with minimum temperatures dipping to 22°C (71°F). Another notable difference is the significant reduction in precipitation; September experiences a much wetter month with 286 mm (11.3 in) over 27 days, while November sees only 162 mm (6.4 in) across 17 days. Humidity levels remain relatively high in both months, at 89% in September and 87% in November, making for a consistently humid atmosphere. For more detailed information about November weather, you can visit Bien Hoa weather in November.
In September, the weather is notably warm and humid, with average temperatures hovering around 28°C (82°F) and high levels of precipitation at 286 mm (11.3 in) over 27 days. This month experiences a high humidity of 89%, making the atmosphere feel particularly sultry. In contrast, December offers a slightly cooler climate, with average temperatures dipping to 27°C (81°F) and significantly less rainfall of only 56 mm (2.2 in) across just 9 days. The humidity also decreases to 80%, providing a more comfortable environment. For more detailed information, check out Bien Hoa weather in December.
September in Bien Hoa presents a unique blend of warmth and moisture that sets it apart from other months. With average temperatures hovering around 28°C (82°F), it’s a time when the heat is coupled with an elevated humidity level at 89%, creating a sweltering atmosphere. This month also brings a significant amount of rainfall, with nearly a full month of precipitation, making it one of the wettest times of the year. While the tropical climate usually ensures warm days, September’s frequent showers and high humidity can lead to a more uncomfortable experience compared to the drier months. For more detailed insights on this month’s conditions, check out Bien Hoa Climate.