Last updated: August 21, 2025
In September, the weather in Thakhek, Laos showcases a dynamic blend of warmth and moisture, with maximum temperatures reaching a sweltering 35°C (94°F) and an average of 27°C (81°F). The minimum temperature dips to a comfortable 21°C (70°F), making the nights pleasantly mild. This month is characterized by significant precipitation, totaling 318 mm (12.5 in) over approximately 24 days, resulting in a notably high humidity level of 86%. Visitors can expect an atmosphere rich in moisture, perfect for experiencing the lush landscapes that thrive during this rainy season.
In September, Thakhek, Laos, experiences a transition to milder weather, with temperatures reflecting a blend of late summer warmth and early autumn coolness. The minimum temperature hovers around 21°C (70°F), providing a more comfortable start to the day, while the average remains steady at 27°C (81°F). This month sees a maximum of 35°C (94°F), slightly less intense than the scorching peaks of the preceding months. As the rainy season takes hold, September invites visitors to enjoy the lush landscapes under relatively pleasant conditions, making it an ideal time for outdoor adventures amidst the vibrant greenery.
September in Thakhek, Laos, sees a significant precipitation level with 318 mm (12.5 in) of rain, marking it as one of the wetter months of the year. This downpour is spread over 24 days, highlighting the persistent and often heavy rainfall that characterizes the region during this time. Following the intense rains of July and August, September maintains a high level of moisture, though it does indicate a slight decrease in both total precipitation and rainy days. As the rainy season progresses, temperatures often drop slightly, providing a refreshing contrast to the heat earlier in the summer months. Overall, September continues the trend of robust rainfall, setting the stage for the gradual transition to drier months ahead.
In September, Thakhek, Laos, experiences notable humidity levels, averaging 86%. This marks a slight decrease from the sweltering highs of 92% recorded in August, yet remains significantly elevated. The trend throughout the year shows a dramatic increase in humidity starting from the dry months of January through April, where levels dip as low as 40%. As the wet season progresses, humidity surges, peaking in July and August, only to maintain warmth and moisture into September. This pattern illustrates the transition from the dry to wet seasons, highlighting September as a lush, humid month that feeds the vibrant landscapes of the region.
In September, Thakhek, Laos, continues to experience extreme UV levels, with the UV Index standing at 14 and a swift burn time of just 10 minutes. This month signifies a trend where the UV Index remains elevated, following several months of consistently high readings from January through August, peaking at 15 in both April and July. As we transition into October, the UV Index slightly dips to 12, yet still maintains an extreme exposure level, reminding residents and visitors alike of the need for sun protection throughout the year. For comprehensive insights and updates on UV levels, check out the detailed information at Thakhek UV Index.
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In September, Thakhek, Laos, enjoys a pleasant 272 hours of sunshine, embracing the transition from the wetter months of the year. As the peak monsoon season recedes, the sunlight begins to reassert itself, following a trend seen throughout the year where the hours of sunshine steadily climbed from January’s 253 hours to a peak of 320 hours in March. After a dip in August's cloudy days, September marks a refreshing resurgence, with hours of sunshine notably higher than the preceding month. This seasonal ebb and flow, punctuated by a rich tapestry of sun-soaked days, highlights Thakhek's dynamic weather patterns, setting the stage for vibrant outdoor activities as the region prepares for the upcoming months of autumn.
In Thakhek, Laos, the likelihood of sunny weather takes a notable dip in September, with only a 19% chance of sunshine. This marks a continuation of a trend that begins in the sweltering months of April and May, where the sun shines less frequently, lingering around the 38-39% mark. As the rainy season progresses through June, July, and August—with chances dwindling to a mere 14%—September remains equally somber. Fortunately, the weather begins to improve again by October, bouncing back to 27% as the region transitions into the more favorable months ahead. Thus, for those planning a trip during September, it's wise to be prepared for cloudy skies and the potential for rain.
In September, Thakhek, Laos, enjoys a generous 12 hours of daylight, continuing the trend set in the preceding months of June, July, and August, where longer days provided ample sunlight for outdoor activities and exploration. As the year progresses into October, daylight begins to wane, returning to 11 hours, a pattern consistent with the cooler months ahead. This gradual shift showcases the region's distinct seasonal rhythm, where the summer months offer a burst of sunlight before transitioning into shorter days as the year draws to a close. Embracing September’s balanced daylight allows locals and visitors alike to relish the beauty of Thakhek under the warm embrace of the sun.
As September unfolds in Thakhek, Laos, the gentle breeze reaches an average wind speed of 1.4 m/s (3 mph), marking a noticeable decline compared to the preceding months. This decrease reflects a broader trend of diminishing winds as the year progresses, particularly evident from the peak in January at 2.6 m/s (6 mph). April through August saw a gradual drop, yet September registers the lowest winds of the year, hinting at the tranquil calm that envelops the region before the winds pick up again in October. This serene period not only invites stillness but also offers a unique opportunity to appreciate the beauty of Thakhek’s landscape, as the reduced wind allows for a more immersive experience in its scenic vistas.
Weather in Thakhek varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Thakhek, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present a stark contrast in weather patterns. In September, temperatures range from a minimum of 21°C (70°F) to a maximum of 35°C (94°F), with an average temperature of 27°C (81°F). This month also sees significant rainfall, with 318 mm (12.5 in) of precipitation over 24 days and high humidity at 86%. In contrast, January experiences milder temperatures, with a minimum of 7°C (45°F) and a maximum of 34°C (94°F), coupled with an average of 22°C (73°F). Rainfall is minimal in January, with only 6 mm (0.2 in) recorded over just one day, resulting in lower humidity levels at 59%. For more detailed information about January weather, you can refer to this link: Thakhek weather in January.
The weather in September and February presents a stark contrast, both in temperature and precipitation. September boasts a warm average of 27°C (81°F) with temperatures peaking at 35°C (94°F), accompanied by high humidity levels at 86% and significant rainfall measuring 318 mm (12.5 in) over 24 days. In contrast, February features a cooler average temperature of 23°C (74°F), with daily lows of 11°C (52°F) and maximums reaching 36°C (97°F). This month experiences much less precipitation, only 11 mm (0.4 in) over just 1 day, and lower humidity at 54%. For more details on February weather, you can check Thakhek weather in February.
In September, the weather is characterized by higher humidity levels at 86%, with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 35°C (94°F). This month also sees significant rainfall, averaging 318 mm (12.5 inches) over 24 days, making it one of the wetter months. In contrast, March experiences a more moderate humidity level of 45%, with temperatures starting from a cooler 14°C (57°F) and peaking at a scorching 38°C (100°F). Additionally, March features much lower precipitation, with only 47 mm (1.9 inches) of rain over 7 days. For a more detailed examination of conditions, you can visit Thakhek weather in March.
In comparing September and April weather, we see significant differences in temperature and humidity. September features warmer minimum temperatures, averaging around 27°C (81°F), with highs reaching up to 35°C (94°F). However, it is also one of the wettest months, experiencing substantial rainfall of 318 mm (12.5 in) over 24 days, coupled with high humidity at 86%. In contrast, April boasts a lower minimum temperature of 14°C (57°F) but can reach scorching highs of 39°C (102°F) on average. Rainfall is minimal at only 64 mm (2.5 in) over 10 days, resulting in a much drier environment with humidity around 40%. For those interested in this month's specific conditions, more details can be found here: Thakhek weather in April.
September and May present distinct weather patterns that cater to different preferences. In September, temperatures range from a minimum of 21°C (70°F) to a maximum of 35°C (94°F), with an average of 27°C (81°F). This month is characterized by high humidity at 86% and significant precipitation of 318 mm (12.5 in) over 24 days, making it quite a wet experience. In contrast, May features a slightly cooler minimum of 18°C (64°F) and a warmer maximum of 39°C (102°F), with a similar average of 28°C (83°F). Precipitation is lighter at 188 mm (7.4 in) across 22 days, and the humidity is considerably lower at 65%. For more details, you can explore Thakhek weather in May.
In comparing the weather between September and June, we see that both months are notably warm, with September having slightly cooler average temperatures than June. September's minimum temperature is 21°C (70°F), while June starts a bit warmer at 23°C (73°F). The average temperatures are also similar, with September averaging 27°C (81°F) and June averaging 28°C (83°F). However, June edges out September slightly with a higher maximum temperature of 36°C (98°F) compared to September's 35°C (94°F).
Both months experience significant rainfall, but September has a higher total precipitation of 318 mm (12.5 in) over 24 days, compared to June's 299 mm (11.8 in) over 26 days. Additionally, September has a higher humidity level at 86%, compared to June's 82%, which may make the atmosphere feel more oppressive. For further details on the climate in June, you can check Thakhek weather in June.
In comparing the weather between September and July, both months experience similar average temperatures, hovering around 27°C (81°F). However, September tends to have slightly cooler minimum and maximum temperatures, with lows of 21°C (70°F) and highs reaching up to 35°C (94°F), while July sees minimums of 23°C (73°F) and a maximum of 34°C (93°F). Precipitation is notably higher in July, with 542 mm (21.4 in) accumulated over 30 days, compared to September's 318 mm (12.5 in) over 24 days. Additionally, humidity remains relatively high throughout both months, but is slightly elevated in July at 90% versus September's 86%. For further details on July weather specifically, you can visit Thakhek weather in July.
In comparing the weather between August and September, we can observe a few notable differences. September experiences slightly warmer minimum temperatures, with lows of 21°C (70°F) compared to August's 23°C (74°F). Both months have the same average temperature of 27°C (81°F), but September has a higher maximum temperature of 35°C (94°F) versus August's 34°C (94°F). However, September is marked by significantly higher precipitation, totaling 318 mm (12.5 in) over 24 days, whereas August sees greater rainfall of 483 mm (19.0 in) over 29 days. Additionally, humidity levels remain high in both months, with September at 86% and August at 92%. For more detailed insights, you can refer to this link: Thakhek weather in August.
In September, the weather is characterized by warm temperatures, with a minimum of 21°C (70°F) and an average of 27°C (81°F), reaching highs of 35°C (94°F). This month experiences considerable rainfall, totaling 318 mm (12.5 in) over 24 days and high humidity at 86%. In contrast, October brings slightly cooler temperatures, with a minimum of 16°C (61°F) and an average of 26°C (80°F), while still reaching a maximum of 35°C (96°F). Rainfall decreases significantly to 146 mm (5.8 in) over just 15 days, accompanied by a lower humidity of 80%. For more detailed information about the weather in October, you can check Thakhek weather in October.
In September, the weather tends to be much warmer and more humid, with average temperatures hovering around 27°C (81°F) and maximum highs reaching up to 35°C (94°F). This month also experiences significant rainfall, with 318 mm (12.5 in) of precipitation spread over 24 days, resulting in a humidity level of 86%.
In contrast, November presents a more temperate climate, featuring cooler minimum temperatures of 14°C (58°F) and an average of 25°C (77°F). Rainfall sharply decreases to just 23 mm (0.9 in) over only 3 days, and the humidity drops to a more comfortable 72%. For more detailed information, you can check Thakhek weather in November.
September and December present a striking contrast in weather conditions. In September, temperatures range from a minimum of 21°C (70°F) to a scorching maximum of 35°C (94°F), with an average of 27°C (81°F). This month is characterized by high humidity at 86% and substantial rainfall, totaling 318 mm (12.5 in) over 24 days, creating a damp and muggy atmosphere. In contrast, December offers a much cooler climate, with temperatures dropping significantly to a minimum of 9°C (49°F) and an average of 22°C (72°F), though daytime highs can still reach 34°C (94°F). Notably, precipitation in December is minimal, with just 6 mm (0.2 in) over a single day, and lower humidity at 66%. This shift marks a transition to drier and more comfortable weather in the later months. For more insights, check out Thakhek weather in December.
September in Thakhek marks a distinct shift in the weather pattern as it emerges as one of the wettest months of the year, featuring frequent rainfall and high humidity levels. Unlike the hotter, drier months that precede it, September's climate is characterized by a blend of warm temperatures and persistent downpours, creating a lush, vibrant environment. The average warmth, combined with almost daily precipitation, provides a unique experience for visitors and locals alike, offering a refreshing respite from the sweltering heat of the summer. This notable contrast in weather emphasizes the region's dynamic climate and its transition towards the cooler months ahead. For more detailed insights, check out Thakhek Climate.