Last updated: August 27, 2025
In September, Chatuchak, Thailand, experiences warm and humid conditions, with maximum temperatures reaching up to 36°C (97°F) and an average of 29°C (84°F). The warmth is accompanied by a high humidity level of 87%, creating a tropical atmosphere. However, this month is also characterized by significant precipitation, totaling 245 mm (9.6 in) over approximately 24 rainy days, making it one of the wetter periods of the year. Visitors should be prepared for frequent showers while enjoying the vibrant surroundings of Chatuchak during this time.
September in Chatuchak, Thailand, showcases a transition toward milder temperatures as the rainy season progresses. With minimums averaging around 24°C (76°F) and maximums peaking at 36°C (97°F), it's a comfortable time to explore the vibrant market scene. The average temperature holds steady at 29°C (84°F), creating a warm yet manageable climate ideal for outdoor adventures or leisurely strolls. As the month unfolds, slight cooling from the intense summer heat becomes noticeable, making September a pleasant choice for visitors eager to experience the charm of Chatuchak without the sweltering highs of previous months.
In September, Chatuchak, Thailand experiences a significant uptick in precipitation, with 245 mm (approximately 9.6 in) of rainfall, marking it as one of the wettest months of the year. This surge is complemented by 24 rainy days, reflecting a shift into the peak of the monsoon season. The increase from previous months is notable, especially when compared to August’s 163 mm. As the rainy days intensify, so does the lushness of the region, painting a vibrant picture of nature thriving under the abundant moisture. With only two months left in the year, the precipitation trend clearly highlights September as a critical month for replenishing water resources, setting the stage for a gradual decline by October and leading into the drier months ahead.
September in Chatuchak, Thailand, sees humidity levels that reflect a gradual decline from the peak of the summer months. With a recorded humidity of 87%, September continues to experience the effects of the wet season, although it's slightly lower than the sweltering highs of August at 88%. This lingering humidity is a testament to the region's tropical climate, which tends to keep moisture levels elevated throughout the rainy season. As autumn approaches, there's a slight dip indicated in the following months, suggesting a transition towards drier conditions in October, where humidity drops to 83%. Overall, September serves as a pivotal month that captures the transition of weather patterns, blending the tail end of summer stickiness with the promise of a drier fall.
In September, Chatuchak, Thailand, continues to experience a notably high UV Index of 13, placing it in the extreme exposure category with a burn time of just 10 minutes. This trend mirrors the peak levels seen in the previous summer months, where UV Index values frequently reached a startling 14. As the rainy season approaches, the UV levels in September signify that sun protection remains crucial. As you prepare for outdoor activities, remain vigilant, especially since the intensity from earlier months remains potent. For more detailed insights, check the full report at Chatuchak UV Index.
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September in Chatuchak, Thailand, bathes in a warm embrace of 268 hours of sunlight, marking a gentle decline as the rainy season approaches. This month, while still sunnier than the drizzly summer, shows a notable drop from the peak of 336 hours in March, hinting at the transition of the seasons. The gradual decrease in sunshine reflects a consistent pattern as the year progresses, with hours peaking in the early months and tapering off slightly in the late summer and early fall. Still, with an average of over 250 hours throughout the year, Chatuchak remains a bright spot that invites visitors to bask in the glow of Thailand's vibrant culture and stunning landscapes, even as September shades into autumn.
In Chatuchak, Thailand, the likelihood of sunny weather takes a notable dip in September, with only a 10% chance of sunshine. This trend of diminishing sunlight is consistent as the region transitions from the dry season into the wet, with cloud cover and rain becoming increasingly common. The preceding months of July and August already show a severe decline in clear skies, with chances of sun dropping to 11% and 9% respectively. As the rainy season progresses, travelers and locals alike should brace for overcast days, making September one of the least sunny months in the area.
In September, Chatuchak, Thailand, enjoys a consistent 12 hours of daylight, continuing the trend established over the summer months. This pattern of extended daylight, persisting since March, creates the perfect backdrop for outdoor activities and exploration. As the year transitions into October, the daylight duration gradually begins to decrease, returning to 11 hours as the region approaches the end of the year. This rhythm of daylight not only highlights the peak brightness of the mid-year months but also signals a gentle shift towards the shorter days of late fall and winter, offering a captivating blend of nature's cycles.
As September arrives in Chatuchak, Thailand, the winds begin to soften, with an average wind speed of 2.0 m/s (5 mph) marking a gentle breeze that invites a sense of calm. Following the energetic gusts of June and March, which saw winds reaching up to 3.0 m/s (7 mph), the transition into September signifies a temporary lull in intensity. This month, like its predecessor, August, brings a moderate air movement that typically enhances the outdoor experience without overwhelming the senses. While September's winds might be more mellow, they serve as a reminder of the dynamic weather patterns throughout the year, reflecting a steady rhythm as the region gently shifts from the vibrant heart of the rainy season into the cooler months ahead.
Weather in Chatuchak varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Chatuchak, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present contrasting weather patterns. In September, temperatures range from a minimum of 24°C (76°F) to a maximum of 36°C (97°F), with an average temperature of 29°C (84°F). This month is also characterized by high humidity at 87% and significant rainfall, with 245 mm (9.6 in) spread over 24 days. In contrast, January offers cooler conditions with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 35°C (94°F), averaging 27°C (81°F). Rainfall is minimal in January, amounting to only 29 mm (1.1 in) over just 3 days and a much lower humidity level of 59%. For more details on January weather specifically, you can refer to Chatuchak weather in January.
September and February present contrasting weather conditions. September boasts higher temperatures with daily averages around 29°C (84°F) and a maximum of 36°C (97°F), alongside significant rainfall totaling 245 mm (9.6 in) over 24 days, leading to a sweltering and humid environment with humidity levels reaching 87%. In contrast, February features milder temperatures, with a minimum of 19°C (66°F) and an average of 28°C (82°F), accompanied by minimal precipitation of just 14 mm (0.5 in) over 3 days, making it a drier month with a much more comfortable humidity level of 58%. For more detailed insights on February weather, visit Chatuchak weather in February.
September weather is characterized by higher humidity and significantly more rainfall compared to March. With average temperatures ranging from a minimum of 24°C (76°F) to a maximum of 36°C (97°F), September sees an average of 29°C (84°F) and experiences about 245 mm (9.6 in) of precipitation over 24 days. In contrast, March features slightly warmer average temperatures, with lows of 22°C (72°F) and highs reaching 37°C (99°F), but it enjoys much less rain—only 44 mm (1.7 in) over just 5 days. Additionally, March's humidity is considerably lower at 61%, making it the more comfortable month for outdoor activities. For more specific information, check out Chatuchak weather in March.
In comparing the weather between September and April, notable differences emerge. September features a warm climate with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 36°C (97°F), accompanied by high humidity levels of 87%. However, it is also characterized by significant rainfall, averaging 245 mm (9.6 in) over 24 days. In contrast, April experiences slightly warmer conditions with average temperatures peaking at 30°C (87°F) and reaching a maximum of 38°C (100°F). Precipitation in April is considerably less, totaling 107 mm (4.2 in) over only 12 days, along with lower humidity levels at 70%. For more detailed information about the weather conditions in April, you can check Chatuchak weather in April.
September and May present distinct weather profiles, reflecting the transition of seasons. In September, temperatures typically range from a minimum of 24°C (76°F) to a maximum of 36°C (97°F), with an average of 29°C (84°F). This month experiences considerable rainfall, totaling 245 mm (9.6 in) over 24 days, coupled with high humidity levels at 87%. In contrast, May tends to be slightly warmer, with averages peaking at 30°C (87°F) and maximums soaring to 40°C (103°F). Rainfall in May is less intense, accumulating to 142 mm (5.6 in) over 19 days, and the humidity is marginally lower at 80%. For more detailed information on weather conditions in May, you can visit Chatuchak weather in May.
The weather in September and June exhibits notable similarities and differences. In September, the average temperature ranges from a minimum of 24°C (76°F) to a maximum of 36°C (97°F), with an average of 29°C (84°F). This month is characterized by significantly higher precipitation, totaling 245 mm (9.6 in) over 24 days, along with an increased humidity level of 87%. In contrast, June maintains a slightly higher minimum temperature of 25°C (78°F) and an average of 30°C (86°F), peaking at 37°C (99°F). However, the rainfall is considerably less, with only 112 mm (4.4 in) recorded over 22 days and a humidity level of 85%. For more detailed insights, you can check Chatuchak weather in June.
When comparing the weather in September and July, both months display similar average temperatures, with September averaging around 29°C (84°F) and July slightly warmer at 29°C (85°F). However, July typically experiences a higher maximum temperature of 37°C (99°F), while September peaks at 36°C (97°F). Additionally, September is noticeably wetter, recording 245 mm (9.6 in) of precipitation over 24 days, compared to July's 159 mm (6.2 in) over 26 days. Humidity levels remain high in both months, with September at 87% and July slightly lower at 86%. For more details on July weather, you can check Chatuchak weather in July.
In comparing the weather of September and August, September features a slightly cooler minimum temperature of 24°C (76°F) compared to August's 25°C (77°F). Both months have similar average temperatures of around 29°C (84°F to 85°F), but September reaches a maximum of 36°C (97°F), which is marginally lower than August's peak of 37°C (99°F). Notably, September experiences significantly more rainfall, with 245 mm (9.6 in) over 24 days, compared to August's 163 mm (6.4 in) over 23 days. Humidity levels remain high in both months, with September at 87% and August at 88%. For more details on the weather in August, visit Chatuchak weather in August.
September and October share similar average temperatures, with September having a slightly higher maximum of 36°C compared to October's 35°C. Both months experience considerable rainfall, but October sees a slight increase in precipitation at 250 mm compared to September's 245 mm, despite fewer rainy days. The humidity remains high throughout both months, though it decreases slightly from 87% in September to 83% in October. For more detailed information, you can check the Chatuchak weather in October.
September experiences warmer temperatures, with minimums reaching 24°C and average highs around 29°C, peaking at 36°C. It’s also quite humid with a significant amount of rainfall, totaling 245 mm across 24 days. In contrast, November sees slightly cooler temperatures, starting from a minimum of 21°C and averaging 28°C, while maximums reach up to 35°C. November is notably drier, with only 61 mm of precipitation over 9 days and lower humidity at 78%. For more details, you can check Chatuchak weather in November.
September and December present contrasting weather conditions. In September, temperatures range significantly, with a minimum of 24°C (76°F) and a sweltering maximum of 36°C (97°F), coupled with high humidity at 87%. This month also experiences substantial rainfall, averaging 245 mm (9.6 in) over 24 days, making it a wet month. In contrast, December enjoys cooler temperatures, with a minimum of 15°C (59°F) and an average of 27°C (80°F), peaking at 35°C (95°F). Rainfall is dramatically reduced to just 24 mm (0.9 in) over only 2 days, and humidity drops to a more comfortable 70%. For more detailed information, you can check Chatuchak weather in December.
In September, Chatuchak experiences a notable shift in weather compared to other months, characterized by high humidity and frequent rain. This month typically brings frequent rain showers, resulting in increased precipitation days that can impact outdoor activities. While daytime temperatures can feel intense, the high humidity often makes it feel warmer than it is, creating a uniquely muggy atmosphere. With an average temperature of 29°C, visitors should be prepared for both the heat and the increased likelihood of rain, making September a time for light, breathable clothing and an umbrella on hand. For a comprehensive look at what to expect throughout the year, check out Chatuchak Climate.