Last updated: August 21, 2025
September in Ban Houayxay, Laos offers a warm yet humid experience, characterized by a maximum temperature reaching 35°C (96°F) and an average of 27°C (81°F), cooling down to a pleasant minimum of 19°C (67°F) at night. This month sees significant precipitation, with a total of 199 mm (7.8 in) spread across 23 rainfall days, contributing to the region's lush landscapes. With an average humidity level of 83%, visitors can expect a tropical climate that enhances the rich beauty of this vibrant area during the monsoon season.
As September rolls into Ban Houayxay, temperatures begin to show a gentle shift towards cooler days, marking a transition in the weather. With a minimum of 19°C (67°F) and an average temperature of 27°C (81°F), the month provides a pleasant respite from the sweltering heat of summer. The maximum temperature remains steady at 35°C (96°F), akin to the height of summer, but the cooler nights invite a refreshing change. This month not only signifies a gradual decline in the heat but also encourages outdoor exploration in Laos’ stunning landscapes, making it an ideal time for travelers seeking both adventure and comfort.
In September, Ban Houayxay experiences significant rainfall, with an average precipitation of 199 mm (7.8 in) spread over 23 days. This marks a notable decrease from the peak of the rainy season in August, where the area recorded a hefty 373 mm (14.7 in) over 27 days. The month serves as a transitional phase, as the heavy downpours of July and August begin to diminish, but there is still enough moisture to nourish the lush landscapes. Interestingly, the cumulative precipitation for the preceding months shows a clear upward trend, peaking in July before gradually tapering off in October. This pattern underscores the monsoon influence on the region’s climate, providing a rhythm of wet and dry that nurtures both the vibrant ecosystem and the agricultural practices in the area.
As September arrives in Ban Houayxay, Laos, the humidity remains notably high at 83%, continuing the trend established over the preceding months. Following the peak of 92% in both July and August, September experiences a slight but significant decrease, hinting at the gradual transition towards the dryer season. Throughout the year, humidity levels are at their lowest in the early months, with only 41% in April, while the late rainy season brings increasingly humid conditions. This pattern highlights the region's distinctive tropical climate, where the air becomes heavier and more saturated as the monsoon rains prevail, illustrating the bold character of Laos’s weather as it shifts into autumn.
In September, Ban Houayxay experiences a consistently high UV Index of 14, placing it in the extreme exposure category with a burn time of just 10 minutes. This trend of elevated UV levels has persisted since May, highlighting a lengthy stretch of extreme sun exposure that lasts well into the rainy season. Notably, the UV Index remains markedly high from March through October, showcasing a significant seasonal pattern. As the year transitions into the cooler months, expect a shift toward lower UV intensity, dipping to 9 by November. For more detailed insights, visit Ban Houayxay UV Index.
UV Risk Categories
In September, Ban Houayxay basks in an average of 272 hours of sunshine, marking a subtle decline from the vibrant summer months. This dip in daylight follows the peak sunshine of March with 327 hours, demonstrating a seasonal transition as the region slowly edges towards the cooler months. As autumn approaches, September offers a pleasant mix of warmth and bright skies—the perfect backdrop for outdoor exploration. Although daylight diminishes compared to the earlier summer highs, it still provides ample opportunity to soak in the beauty of Laos, maintaining a balance between vibrant sunshine and the gentle onset of fall.
In Ban Houayxay, Laos, September marks a notable point in the seasonal weather patterns, with a 29% likelihood of sunny days. This percentage reflects a shift from the drier months of the earlier year, as the region transitions into its rainy season. Notably, while the sunny outlook takes a dip compared to the more favorable conditions from January to April, it does show a slight improvement over the significantly lower chances in the peak of the rainy months of June through August. With September’s chance of sunshine being relatively low, visitors should prepare for a mix of sun and rain, but occasional bright days can still provide opportunities to explore the lush landscapes of this beautiful region.
In Ban Houayxay, Laos, the daylight duration follows a distinct seasonal rhythm throughout the year. As we transition into September, the daylight settles at a comfortable 12 hours, mirroring the previous month of August. This marks a tapering off from the peak daylight of 13 hours seen in May through July. The gradual descent in daylight continues into October, as the days shorten ahead of the winter months. Overall, this pattern highlights the region's consistent exposure to ample daylight during the warmer months, gradually shifting toward the cozy, shorter days of the late year.
In September, the wind in Ban Houayxay, Laos whispers gently, with an average speed of 1.1 m/s (around 2 mph), making it one of the calmest months of the year. This slight dip in breeze follows the relatively breezier months of June and July, while earlier months display only marginally higher velocities. As the transition from the vibrant summer to the quieter autumn unfolds, the softening winds create a serene atmosphere, perfect for soaking in the lush landscapes. This tranquility contrasts sharply with the bustling winds of early summer, highlighting how September serves as a bridge between soaring temperatures and the approaching coolness of fall.
Weather in Ban Houayxay varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Ban Houayxay, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present stark contrasts in weather conditions. September experiences warmer temperatures, with minimums around 19°C (67°F) and average highs reaching up to 35°C (96°F), accompanied by high humidity levels at 83%. This month also sees considerable rainfall, with 199 mm (7.8 in) of precipitation spread over 23 days, resulting in a lush and vibrant environment. In contrast, January offers a cooler climate with minimum temperatures dropping to 9°C (48°F) and average maxima of 33°C (91°F). This month is much drier, receiving only 34 mm (1.3 in) of precipitation over just 4 days, and features lower humidity at 57%. For more details, you can check out the Ban Houayxay weather in January.
September and February present contrasting weather patterns. In September, temperatures range from a minimum of 19°C (67°F) to a scorching maximum of 35°C (96°F), with an average of 27°C (81°F). This month experiences significant rainfall, with a total precipitation of 199 mm (7.8 in) over 23 days, contributing to high humidity levels of 83%. In contrast, February enjoys milder conditions, with temperatures stretching from a cool minimum of 11°C (53°F) to a similar maximum of 35°C (95°F), averaging 22°C (72°F). February is much drier, receiving only 16 mm (0.6 in) of precipitation over just one day, resulting in a lower humidity level of 57%. For a detailed look at February's weather, visit Ban Houayxay weather in February.
In September, the weather tends to be much wetter and more humid compared to March, with average temperatures ranging from a minimum of 19°C (67°F) to a maximum of 35°C (96°F) and total precipitation reaching 199 mm (7.8 in) over 23 days. In contrast, March experiences drier conditions with significantly less rainfall at just 11 mm (0.4 in) over only 2 days, and temperatures can peak at an impressive 39°C (102°F), although the average remains slightly lower at 26°C (79°F). The humidity in March is also noticeably lower at 48%, making it feel less oppressive than the highly humid September days. For more detailed insights on the weather in March, you can check Ban Houayxay weather in March.
September and April present contrasting weather patterns, despite sharing an average temperature of 27°C (81°F). In September, temperatures range from a minimum of 19°C (67°F) to a maximum of 35°C (96°F), accompanied by high humidity at 83% and substantial precipitation of 199 mm (7.8 in) over 23 days. In contrast, April sees slightly cooler minimum temperatures at 16°C (61°F) but can spike to a scorching maximum of 39°C (103°F). Additionally, April enjoys far less rain, with only 120 mm (4.7 in) across 9 days and a notably lower humidity of 41%. For more detailed insights into April's weather, you can check Ban Houayxay weather in April.
When comparing the weather in September and May, there are notable differences regarding temperature, precipitation, and humidity. September typically experiences a minimum temperature of 19°C (67°F) and can reach highs of 35°C (96°F), while May is slightly warmer, with temperatures ranging from a minimum of 20°C (68°F) to a scorching maximum of 41°C (106°F). In terms of precipitation, September is significantly wetter, receiving 199 mm (7.8 in) over 23 days, compared to May's 114 mm (4.5 in) over just 13 days. Additionally, September features higher humidity at 83%, whereas May has a more comfortable 60%. For more detailed information, you can check Ban Houayxay weather in May.
In comparing the weather of September and June, we observe notable differences in temperature and precipitation. September features a minimum temperature of 19°C (67°F) and an average of 27°C (81°F), with a maximum of 35°C (96°F). The month experiences substantial rainfall, with a total precipitation of 199 mm (7.8 in) over 23 days and an humidity level of 83%. In contrast, June tends to be warmer, with minimums around 23°C (73°F) and maximums reaching 38°C (101°F), averaging 28°C (82°F). Rainfall is slightly higher in June, accumulating to 229 mm (9.0 in) across 25 days, and humidity is relatively lower at 80%. For a more detailed look at the weather conditions in June, you can check Ban Houayxay weather in June.
In September, the weather sees a slight decrease in average temperatures, with minimums around 19°C (67°F) and maximums reaching up to 35°C (96°F), compared to July, which enjoys higher minimums of 23°C (73°F) and peaks at 39°C (103°F). Humidity is notably lower in September at 83%, compared to July's more oppressive 92%. Additionally, September experiences a significant amount of rainfall, totaling 199 mm (7.8 in) over 23 days, whereas July is even wetter, with 286 mm (11.3 in) over 26 days. For more specific insights into the July weather, you can check Ban Houayxay weather in July.
In comparing the weather of September to that of August, we see a notable shift in conditions. September experiences a minimum temperature of 19°C, in contrast to August's warmer minimum of 23°C. Both months share an average temperature of 27°C, with maximums also aligned at 35°C. However, September is characterized by significantly lower precipitation, recording 199 mm over 23 days compared to August's 373 mm over 27 days. Humidity levels are also slightly reduced in September at 83%, compared to 92% in August, making September somewhat drier and more comfortable. For a more detailed insight into August weather, check out Ban Houayxay weather in August.
September and October showcase a transition in weather patterns, with September generally experiencing warmer conditions and higher humidity. In September, temperatures range from a minimum of 19°C (67°F) to a maximum of 35°C (96°F), accompanied by significant rainfall of 199 mm (7.8 in) over 23 days and humidity peaking at 83%. In contrast, October sees slightly cooler temperatures, with minimums of 17°C (62°F) and averages around 26°C (79°F), while max temperatures can still reach 36°C (96°F). Rainfall decreases to 113 mm (4.4 in) over 16 days, and humidity falls to a more comfortable 71%. For more details, check out Ban Houayxay weather in October.
September and November exhibit distinct weather patterns. In September, temperatures range from a minimum of 19°C (67°F) to a maximum of 35°C (96°F), with an average of 27°C (81°F). The month sees considerable rainfall, with 199 mm (7.8 in) spread over 23 days, contributing to a high humidity level of 83%. In contrast, November features cooler temperatures, with a minimum of 14°C (57°F) and an average of 24°C (75°F), peaking at 34°C (93°F). Rainfall in November drastically decreases to 29 mm (1.1 in) across just 6 days, resulting in lowered humidity levels of 68%. For more detailed information, you can visit Ban Houayxay weather in November.
In September, the weather is characterized by warm temperatures, with a minimum of 19°C (67°F) and an average of 27°C (81°F), peaking at 35°C (96°F). This month also sees significant rainfall, averaging 199 mm (7.8 in) over 23 days, resulting in high humidity levels around 83%. In contrast, December offers a much cooler climate, with temperatures ranging from a minimum of 5°C (42°F) to an average of 20°C (69°F), reaching a maximum of 32°C (90°F). Precipitation drastically decreases to only 26 mm (1.0 in) over just 4 days, and humidity drops to 64%. For more details about the December weather in this region, you can check Ban Houayxay weather in December.
As September unfolds in Ban Houayxay, the weather shifts noticeably, characterized by a blend of warmth and moisture. The average temperatures hover around a comfortable 27°C, contrasting with the heat of the preceding months, while the increased humidity levels create a humid atmosphere that's typical for this time of year. Rain becomes a more prominent feature, with nearly three-quarters of the month experiencing precipitation, totaling about 199 mm. This marks a significant departure from the drier, hotter months, as the landscape transforms, showcasing a lush vibrancy under the gray skies. For a more detailed insight into the climate nuances, explore Ban Houayxay Climate.