Last updated: August 27, 2025
In September, Khao Kho, Thailand, experiences a unique blend of warmth and moisture, with maximum temperatures reaching 32°C (90°F) and an average of 25°C (78°F). Despite the inviting warmth, travelers should prepare for significant precipitation, totaling 305 mm (12.0 in) over the month, occurring on approximately 26 days. The high humidity level of 86% enhances the lush landscape, making September an ideal time for nature enthusiasts to explore the region's vibrant flora. However, it's essential to pack accordingly to fully enjoy Khao Kho's picturesque scenery during this rainy yet captivating period.
In September, Khao Kho, Thailand experiences mild temperatures that perfectly blend comfort and warmth, providing a delightful retreat from the sweltering summer heat. With a minimum temperature of 21°C (70°F) and a maximum peaking at 32°C (90°F), visitors can expect pleasant conditions throughout the month. The average temperature remains steady at 25°C (78°F), similar to the preceding months of July and August, indicating a consistent climate as the rainy season approaches its peak. This makes September an ideal time for outdoor activities, where the refreshing air and vibrant landscapes await those eager to explore the stunning natural beauty of the region.
September in Khao Kho, Thailand, marks a significant transition in the monsoon season, bringing 305 mm (12.0 in) of precipitation over 26 days. This month, while still substantially wet, sees a decrease compared to the intense downpours of the preceding months, such as July and August, which recorded over 500 mm each. The steady rainfall not only replenishes the lush landscapes but also sets the stage for a refreshing change, as the frequency of rainy days starts to taper off. As the region prepares for the drier months ahead, the vibrant, green scenery remains a testament to the previous months' heavy rains, showcasing the beauty of this tropical environment as the monsoon season begins to wane.
In September, Khao Kho experiences a high humidity level of 86%, maintaining the trend set by the preceding months of July and August, which both feature even higher humidity. This pattern reveals a significant shift from the drier months earlier in the year, where humidity levels ranged from 39% to 52% between January and April. Following the wet season, which begins in May, the atmosphere becomes increasingly humid, peaking in August before slightly tapering off in October. This seasonal progression underscores Khao Kho's dynamic climate, transitioning from dry to humid, and hinting at the lush landscapes that define this region during the monsoon months.
As September rolls into Khao Kho, Thailand, the UV Index remains strikingly high, peaking at 14, and placing it firmly in the extreme exposure category. This trend of elevated UV levels has persisted since the onset of the dry season, where months such as April through August also recorded similar indices. With a burn time of just 10 minutes, caution is paramount for outdoor enthusiasts and sun seekers alike. The consistent extreme conditions throughout the middle months serve as a reminder to always protect your skin while enjoying the stunning beauty of Khao Kho. For detailed insights, visit Khao Kho UV Index.
UV Risk Categories
September in Khao Kho, Thailand, welcomes the gentle embrace of 278 hours of sunshine, continuing a subtle decline from the peak of 330 hours in March. As the monsoon season draws to a close, this month balances the bright days of summer while hinting at the coolness to come. Following the trend from the previous months, September sees a slight decrease in sunlight hours compared to August's 254 hours, but it remains robust when viewed alongside the overall year. The gradual shift in daylight reflects a serene transition, inviting visitors to engage with the scenic beauty and rich culture of this mountainous region before the golden hues of autumn take over. Each hour of sunshine offers a promise, a glimpse of what's to come as Khao Kho prepares for the vibrant months ahead.
In Khao Kho, Thailand, the likelihood of sunny weather drops significantly in September, with a mere 9% chance of sunshine, the lowest of the year. This decline follows the prevailing trend of diminished sunshine during the rainy season, which spans from late June through August. As the monsoon months come to a close, this tendency continues into September, making it an ideal time for travelers seeking to avoid the sweltering heat and enjoy cooler, misty mornings, albeit with a low probability of sunny days. The following months gradually improve, hinting at the return of more favorable weather, particularly as October rises to a 22% chance of sun.
In September, Khao Kho, Thailand enjoys a consistent 12 hours of daylight, mirroring the pattern seen in several preceding months. As the year unfolds, daylight duration fluctuates slightly, peaking at 13 hours in June before settling back to equilibrium in the fall. This stable daylight in September signals a transition from the longer days of summer toward shorter ones as autumn approaches, allowing visitors to revel in the gentle illumination that graces this picturesque destination. Overall, Khao Kho's daylight patterns reflect a harmonious rhythm, inviting both locals and tourists to bask in its beauty throughout the changing seasons.
As September ushers in the transition to cooler months in Khao Kho, Thailand, the average wind speed gently settles at 1.2 m/s (3 mph), mirroring the calm breezes of October. This marks a subtle decline from the summer winds of July and June, which both enjoy a lively 1.7 m/s (4 mph). Throughout the year, wind patterns reveal a seasonal rhythm; the highest speeds occur in the cooler months of December and November, while the warmer periods from March to May experience the lightest winds. This soothing climate makes September an ideal time for leisurely strolls and immersive nature experiences amidst Khao Kho’s breathtaking landscapes, providing a perfect backdrop for reflection and relaxation.
Weather in Khao Kho varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Khao Kho, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January exhibit stark contrasts in weather patterns. September experiences warmer temperatures, with a minimum of 21°C (70°F) and an average of 25°C (78°F), while January offers cooler conditions, starting at a minimum of 10°C (50°F) but reaching a similar maximum of 33°C (91°F) on the hottest days. Rainfall is significantly higher in September, with 305 mm (12.0 in) spread over 26 days, resulting in a high humidity of 86%. In contrast, January is much drier, featuring only 36 mm (1.4 in) of precipitation over just 5 days, which contributes to a lower humidity of 52%. For more details on weather in January, visit Khao Kho weather in January.
In September, the weather is notably warmer, with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 32°C (90°F), accompanied by high humidity at 86%. This month also sees significant rainfall, with an average precipitation of 305 mm (12.0 in) over 26 days, creating a lush environment. In contrast, February features cooler temperatures, with a minimum of 14°C (57°F) and a maximum of 34°C (93°F), but experiences much lower rainfall of just 77 mm (3.0 in) over 7 days, along with a drop in humidity to 49%. For more detailed weather insights, visit Khao Kho weather in February.
In comparing the weather of September and March, notable differences emerge. September experiences a min temperature of 21°C (70°F), with an average of 25°C (78°F) and highs reaching up to 32°C (90°F). It is characterized by heavy rainfall, totaling 305 mm (12.0 in) over 26 days, and high humidity at 86%. Conversely, March presents milder conditions with a minimum of 15°C (60°F), an average of 25°C (77°F), and maximum temperatures peaking at 34°C (94°F). Precipitation in March is significantly lower at 167 mm (6.6 in) over just 16 days, accompanied by much lower humidity levels at 39%. For more details on March weather, visit Khao Kho weather in March.
When comparing the weather in September and April, notable differences emerge. September sees a warm temperature range, with minimums around 21°C (70°F) and maximums reaching up to 32°C (90°F), accompanied by high humidity levels at 86%. This month experiences significant rainfall, with an average of 305 mm (12.0 in) spread over 26 days. In contrast, April boasts a similar average temperature of 25°C (78°F), but the month's highs can rise sharply to 35°C (96°F), making it notably hotter. Precipitation is slightly less in April, at 283 mm (11.2 in) over 23 days, and the humidity drops significantly to 40%. For more detailed information, check out Khao Kho weather in April.
In comparing the weather of September and May, September typically experiences warmer average temperatures ranging from a minimum of 21°C (70°F) to a maximum of 32°C (90°F), while May showcases slightly cooler conditions with a minimum of 19°C (66°F) and a higher maximum temperature of 35°C (94°F). Precipitation levels are noticeably higher in May, with 461 mm (18.2 in) falling over 28 days, compared to September's 305 mm (12.0 in) spread across 26 days. Additionally, September's humidity is significantly higher at 86%, while May maintains a more comfortable level at 69%. For more detailed insights, check out the Khao Kho weather in May.
When comparing the weather in September and June, we observe some notable differences. September typically has a slightly lower average temperature range, with a minimum of 21°C (70°F) and a maximum of 32°C (90°F), compared to June's minimum of 22°C (71°F) and maximum of 33°C (93°F). Humidity remains high in both months, with September averaging 86% and June at 81%. However, June experiences significantly more rainfall, with 520 mm (20.5 in) over 29 days, while September receives 305 mm (12.0 in) over 26 days. This makes June generally wetter, contributing to a more humid atmosphere. For a more detailed look at the weather patterns, you can check out this link: Khao Kho weather in June.
In comparing the weather of September and July, both months exhibit similar average temperatures, with minimums around 21-22°C (70-71°F) and maximums peaking at 32°C (90°F). However, September tends to be slightly wetter, receiving 305 mm (12.0 in) of precipitation over 26 days, compared to July's more substantial 535 mm (21.1 in) spread over 30 days. Additionally, while September has higher humidity at 86%, July maintains a slightly lower level at 83%. For more detailed weather patterns specific to July, you can check out Khao Kho weather in July.
In September, the weather remains quite consistent with August, featuring similar temperature ranges, with minimums around 21°C (70°F), average temperatures at 25°C (78°F), and maximums reaching up to 32°C (90°F). However, September sees a significant decrease in precipitation, totaling 305 mm (12.0 in) across 26 rainy days, compared to August's heftier 532 mm (20.9 in) over 30 days. The humidity also drops slightly in September to 86%, providing a marginally drier feel than August's 87%. For more detailed insights into the weather patterns, you can check out Khao Kho weather in August.
In comparing the weather of September and October, September tends to be warmer and more humid, with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 32°C (90°F). The month experiences significant rainfall, totaling 305 mm (12.0 in) over 26 days, resulting in high humidity levels around 86%. In contrast, October sees a slight decrease in minimum temperatures to 19°C (66°F) and an increase in the maximum temperature to 34°C (93°F). Precipitation also drops significantly to 147 mm (5.8 in) over just 18 days, and humidity falls to a more comfortable 74%. For more detailed information, check out Khao Kho weather in October.
September and November showcase a significant contrast in weather patterns. In September, temperatures range from a minimum of 21°C (70°F) to a maximum of 32°C (90°F), with an average of 25°C (78°F). This month is marked by high humidity at 86% and substantial rainfall, with 305 mm (12.0 in) of precipitation over 26 days. In contrast, November brings cooler temperatures, with a minimum of 15°C (60°F) and a maximum of 33°C (91°F), averaging 24°C (76°F). The precipitation drastically decreases to 29 mm (1.1 in) over just 5 days, and the humidity also drops to a more comfortable 63%. For a detailed look at November weather, you can visit Khao Kho weather in November.
September and December weather present a striking contrast. In September, temperatures range from a minimum of 21°C (70°F) to a maximum of 32°C (90°F), accompanied by high humidity levels at 86% and significant rainfall, totaling 305 mm (12.0 in) over 26 days. On the other hand, December sees a much cooler climate, with temperatures dropping to a minimum of 7°C (45°F) and averaging around 22°C (71°F), while still reaching a peak of 32°C (90°F). Remarkably, December experiences only 17 mm (0.7 in) of rainfall over just 2 days and lower humidity at 57%. For more details, you can check Khao Kho weather in December.
As September rolls into Khao Kho, the weather presents a stark contrast to other months, embracing a blend of warmth and moisture. With average temperatures hovering around a comfortable 25°C, the lush landscape thrives under the weight of significant rainfall, totaling 305 mm over nearly all days of the month. This heightened humidity, averaging 86%, creates a refreshing atmosphere, setting September apart as a time when nature flourishes and the region becomes a verdant paradise. For a detailed understanding of the climate, explore Khao Kho Climate.