Last updated: August 27, 2025
September in Phu Luang, Thailand brings a tapestry of weather characterized by high humidity at 86% and an average temperature of 27°C (80°F). Daily temperatures can peak around 34°C (94°F) while dipping to a comfortable 21°C (70°F) at night. This month is particularly wet, with 216 mm (8.5 in) of rainfall distributed over approximately 24 days, transforming the landscape into a lush and vibrant haven. Visitors can expect a mix of warm days and frequent showers, ideal for those who appreciate the beauty of tropical rainforests.
In September, Phu Luang, Thailand, experiences a transition as temperatures begin to cool slightly from the summer peaks. With a minimum temperature of 21°C (70°F) and a max of 34°C (94°F), the climate remains warm but more temperate compared to the sweltering days of April and May. The average temperature holds steady at 27°C (80°F), reminiscent of August's warmth, yet hints at the approaching dry season. This month often sees a balanced blend of lush greenery from the monsoons and slightly less humidity, making it an inviting time for outdoor adventures. Overall, September represents a subtle shift towards milder conditions, providing a perfect backdrop for exploring the natural beauty of this enchanting region.
In September, Phu Luang experiences significant rainfall, with an impressive 216 mm (8.5 in) of precipitation spread over approximately 24 days. This reflects the tail end of the monsoon season, following the peak of August, which averages even higher at 253 mm (10.0 in). The lush landscape continues to thrive due to this sustained moisture, contributing to the region's vibrant flora. As the year transitions into the drier months of October and beyond, the precipitation begins to taper off, signaling a shift in weather patterns that have dominated the summer. This trend underscores the importance of September as a crucial month for replenishing water resources before the annual dry spell.
As September rolls into Phu Luang, Thailand, humidity remains high at 86%, signaling the tail end of the wet season. This figure follows a gradual upward trend that begins in May, where humidity spikes significantly to 69% and continues to climb through the summer months. By August, the atmosphere feels particularly dense, with humidity peaking at 87%. As the region transitions into October, there's a noticeable drop to 74%, suggesting that the sweltering effects of summer are beginning to wane. Overall, September's humidity showcases the lingering impact of the monsoon season, enveloping the area in moisture before the climate starts to moderate in the months that follow.
As September rolls into Phu Luang, Thailand, the UV Index remains particularly high, registering at 14—an extreme category that demands attention. The burn time is a rapid 10 minutes, consistent with the soaring levels seen throughout the peak summer months. This trend of elevated UV exposure continues from August's peak of 15, reflecting the region's relentless sun intensity as the monsoon season wanes. With both July and June also showcasing extreme levels at 14 and 13 respectively, it’s clear that visitors and locals alike should stay vigilant. For detailed insights and updates on UV levels, you can refer to Phu Luang UV Index.
UV Risk Categories
September in Phu Luang, Thailand, offers a delightful embrace of sunshine, basking in an average of 274 hours of sunlight. As the monsoon season starts to wane, the days gradually become brighter, showcasing a slight increase from August's 250 hours. This month marks a transitional phase, bridging the dynamic summer of March and April, when sunlight peaks at over 300 hours, and the milder October, which promises 280 hours. Visitors can expect comfortable temperatures and vibrant greenery, making September an ideal time to explore the natural beauty of this enchanting region while enjoying the gentle warmth of the sun.
As September rolls into Phu Luang, the likelihood of encountering sunny weather takes a noticeable dip, with only a 13% chance of sun. This marks a continuation of a trend seen throughout the rainy season, where the peak months of April to August also showcase particularly low probabilities of sunshine, plummeting to as low as 14%. In stark contrast, the preceding months of January and February boast much sunnier dispositions, with chances soaring to 80% and 84%, respectively. As the year transitions from the lush rains of September to the relatively brighter days of October, hope for clearer skies begins to grow, though the 28% chance still leaves much to be desired for sun-seekers.
In Phu Luang, Thailand, September experiences a balanced 12 hours of daylight, continuing the trend of the preceding months that feature stable daylight durations. As the year progresses from January through March, daylight gradually increases, peaking at 13 hours during the summer months of June and July. Following this height, daylight begins to recede, dropping back to 12 hours in August and maintaining that level through September. This pattern highlights the region's relatively stable daylight duration, offering consistent opportunities for exploration and outdoor activities as the wet season transitions towards its end.
In September, the winds in Phu Luang, Thailand, exhibit a gentle calm, with an average speed of merely 1.3 m/s (3 mph), embodying the tranquil essence of this early autumn month. Following a pattern established earlier in the year, the wind speed shows a slight decline from the summer months, where it peaked at 1.7 m/s (4 mph) in both June and July. As the rainy season approaches, the soothing breezes continue to create a serene atmosphere, paving the way for the cooler, crisper winds that emerge in October and beyond. This consistent and mild wind pattern not only enhances the natural beauty of the region but also invites leisurely exploration of its lush landscapes.
Weather in Phu Luang varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Phu Luang, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is characterized by warmer temperatures, with daily averages around 27°C (80°F) and maximums reaching up to 34°C (94°F). This month also brings significant rainfall, averaging 216 mm (8.5 in) over approximately 24 days, accompanied by high humidity levels of 86%. In contrast, January experiences milder temperatures, with minimums dropping to 10°C (50°F) and an average of 22°C (73°F), while still peaking at 34°C (93°F). Notably, January is much drier, with only 7 mm (0.3 in) of precipitation spread over just 1 day, and humidity levels decrease to a more comfortable 52%. For a closer look at January weather specifics, you can check this link: Phu Luang weather in January.
September and February present distinct weather contrasts. In September, temperatures range from a minimum of 21°C (70°F) to a maximum of 34°C (94°F), with an average of 27°C (80°F). This month is characterized by high humidity levels at 86% and substantial precipitation, totaling 216 mm (8.5 in) over 24 days. In contrast, February features a milder climate, with temperatures starting at a minimum of 12°C (54°F) and reaching up to 36°C (97°F), averaging 23°C (74°F). Precipitation is minimal in February, with only 17 mm (0.7 in) falling over just 3 days, and humidity significantly lower at 49%. For more specific conditions, check out Phu Luang weather in February.
September and March present distinctly different weather patterns. In September, temperatures range from a minimum of 21°C (70°F) to a maximum of 34°C (94°F), with an average of 27°C (80°F). This month is characterized by high humidity at 86% and considerable rainfall, totaling 216 mm (8.5 inches) over about 24 days. In contrast, March features slightly cooler temperatures, with a minimum of 16°C (62°F) and a maximum of 37°C (99°F), alongside an average of 26°C (80°F). Precipitation is significantly lower in March, at just 51 mm (2.0 inches) over approximately 9 days, and humidity drops to 39%. For more detailed information, you can check Phu Luang weather in March.
In comparing the weather patterns of September and April, notable differences emerge. September features warmer nights with a minimum temperature of 21°C (70°F), while April enjoys slightly cooler nights at 16°C (60°F). Both months share an average temperature around 27°C (81°F), though April can reach higher maximums, soaring up to 39°C (102°F), compared to September's peak of 34°C (94°F). Precipitation levels are significantly higher in September, with 216 mm (8.5 in) over 24 days, while April sees a more manageable 106 mm (4.2 in) over just 16 days, contributing to the considerably lower humidity of 40% in April, compared to a muggy 86% in September. For more details on the weather in April, you can check Phu Luang weather in April.
In comparing the weather of September and May, both months feature a minimum temperature of around 21°C (70°F), but May boasts a higher average temperature of 28°C (82°F) compared to September's 27°C (80°F). While September sees a maximum temperature cap of 34°C (94°F), May can escalate to a hotter 38°C (100°F). Precipitation levels are similar, with September receiving 216 mm (8.5 in) and May slightly higher at 224 mm (8.8 in), though both months experience rainfall over numerous days—24 in September and 23 in May. Additionally, September's humidity is notably higher at 86%, while May holds a more comfortable 69%. For more detailed insights, you can check the Phu Luang weather in May.
When comparing the weather in September and June, we see some notable similarities and differences. September features a minimum temperature of 21°C (70°F) and averages around 27°C (80°F), with a maximum reaching 34°C (94°F). In contrast, June starts slightly warmer with a minimum of 22°C (73°F) and an average temperature of 28°C (82°F), peaking at 36°C (98°F). Both months experience significant rainfall, with September recording 216 mm (8.5 in) over 24 days, while June has 205 mm (8.1 in) across 22 days. Humidity levels are higher in September at 86%, compared to June's 81%. For more detailed information on June weather, you can check Phu Luang weather in June.
In comparing the weather conditions of September and July, both months showcase relatively warm temperatures, but July tends to have slightly higher extremes. In July, the minimum temperature is 22°C (72°F), with a maximum reaching 36°C (98°F), compared to September's minimum of 21°C (70°F) and maximum of 34°C (94°F). The average temperature remains similar in both months, hovering around 27°C (81°F). Precipitation levels are comparable, with July seeing 220 mm (8.7 in) and September at 216 mm (8.5 in), both distributed across 24 days; however, September has a high humidity level of 86% compared to July's 83%. For a closer look at July's weather specifics, you can refer to Phu Luang weather in July.
In comparing the weather of September and August, both months exhibit similar temperature ranges with September's minimum at 21°C (70°F) and maximum at 34°C (94°F), slightly lower than August's minimum of 23°C (73°F) and maximum of 35°C (95°F). The average temperature remains stable, with September averaging 27°C (80°F) and August at 27°C (81°F). However, September is characterized by increased precipitation, totaling 216 mm (8.5 in) over 24 days, compared to August's 253 mm (10.0 in) over 25 days, indicating a slightly less wet end to the summer. Humidity levels remain high in both months, with September at 86% and August at 87%. For more detailed information about the weather patterns, you can explore Phu Luang weather in August.
September tends to be warmer and more humid compared to October, with average temperatures reaching 27°C (80°F) and humidity levels around 86%. The month experiences significant rainfall, totaling 216 mm (8.5 in) over 24 days, contributing to the muggy conditions. In contrast, October sees a slight drop in temperature, with an average of 26°C (79°F) and a lower minimum of 18°C (65°F). Precipitation also decreases to 141 mm (5.5 in) over only 17 days, and humidity levels drop to 74%, making the weather feel more comfortable. For a detailed look at weather conditions in October, visit Phu Luang weather in October.
In September, the weather is characterized by warm temperatures, with a minimum of 21°C (70°F) and an average high reaching 34°C (94°F). This month also sees significant rainfall, with 216 mm (8.5 in) spread over 24 days, resulting in a high humidity level of 86%. In contrast, November ushers in cooler temperatures, with a minimum of 15°C (60°F) and an average of 24°C (76°F), while still allowing for maximums of 33°C (92°F). The precipitation drops dramatically to just 15 mm (0.6 in) over only 3 days, leading to a much more comfortable humidity of 63%. For more detailed information, you can explore Phu Luang weather in November.
September weather is characterized by much warmer temperatures, with minimums around 21°C (70°F) and maximums reaching up to 34°C (94°F). The month experiences significant rainfall, averaging 216 mm (8.5 in) spread over 24 days, leading to high humidity levels of 86%. In contrast, December brings a noticeable drop in temperatures, with minimums around 7°C (45°F) and maximums of 32°C (91°F), resulting in a more comfortable average of 22°C (71°F). Precipitation decreases dramatically to just 10 mm (0.4 in) over 2 days, and humidity levels drop to 57%. For more details on December weather patterns in this region, you can visit Phu Luang weather in December.
As September unfolds in Phu Luang, it brings a distinct shift in weather patterns compared to the dry spells of other months. With a maximum temperature peaking at 34°C (94°F), the days can feel quite warm, yet the average temperature of 27°C (80°F) keeps things manageable. However, the true hallmark of September is its notable increase in rainfall, averaging 216 mm over 24 days, which saturates the region's lush landscape and elevates humidity levels to around 86%. This combination of warmth and moisture creates a unique atmosphere, making September a vibrant, if somewhat damp, time to experience the natural beauty of Phu Luang. For a more detailed understanding of the area's weather throughout the year, be sure to check out Phu Luang Climate.