Last updated: August 27, 2025
September in Khlong Toei, Thailand, showcases a climate marked by warm temperatures and significant rainfall. With a maximum temperature reaching 36°C (97°F) and an average of 29°C (84°F), the month offers a tropical warmth that feels intense, especially with high humidity levels averaging 87%. Rain is a regular occurrence, as 245 mm (9.6 in) of precipitation falls over 24 days, making it one of the wetter months in the region. Visitors should prepare for occasional downpours amidst the heat, creating a vibrant, lush environment characteristic of Thailand's monsoon season.
In September, Khlong Toei experiences a subtle transition in temperatures as the monsoon season begins to wind down. With a minimum temperature of 24°C (76°F) and an average of 29°C (84°F), the weather remains comfortably warm, though slightly cooler than the peak heat of the preceding months. The maximum temperature hovers around 36°C (97°F), indicative of the lingering tropical warmth characteristic of Thai summers. This month reflects a slight dip from the sweltering heights of May, which sees temperatures soaring to 40°C (103°F), yet still maintains the tropical essence that makes this region vibrant and lively. As September unfolds, it's an excellent time to explore the area, with warm days giving way to cooler evenings.
September marks the peak of the rainy season in Khlong Toei, Thailand, where the region experiences a significant surge in precipitation, with 245 mm (9.6 in) falling over 24 days. This volume not only highlights September as one of the wettest months of the year but also reflects a consistent upward trend in rainfall leading up to this period, following the intensifying downpours of July and August. As the monsoon grips the region, the increase in both intensity and frequency of rain is evident, creating a lush landscape that contrasts sharply with the drier months of January and February. The heavy rains are crucial for replenishing water sources, yet they also remind residents of the challenges posed by the seasonal deluge.
In September, Khlong Toei experiences a striking humidity level of 87%, continuing the trend of high moisture that characterizes the region during the latter half of the year. Following a gradual increase from a moderate 61% in March, humidity peaks in the summer months, reaching an impressive 88% in August. The slight drop to 87% in September marks the beginning of a gradual decline, as the humidity remains relatively high compared to the earlier months of the year. This consistent moisture not only influences the local climate but also sets the stage for the vibrant, lush environment that is characteristic of Khlong Toei as it transitions into the cooler and drier months ahead.
As September rolls into Khlong Toei, Thailand, the UV Index remains notably high at 13, categorizing it as extreme with a burn time of just 10 minutes. This trend follows several months of relentless sun exposure, with the index peaking in March and July at 14. Despite a slight drop in the index during this month compared to its summer highs, the UV level is still significant. Residents and visitors alike should stay vigilant and take necessary precautions to protect their skin from harmful UV rays. For more detailed insights, check out the Khlong Toei UV Index.
UV Risk Categories
As September unfolds in Khlong Toei, Thailand, the vibrant pulse of the city enjoys 268 hours of sunshine, marking a noticeable decline from the sun-drenched heights of spring and summer. The months leading up to September witness an impressive increase in sunlight, peaking in March with 336 hours and maintaining a healthy average above 300 hours until June. However, as the rainy season approaches, there’s a gentle tapering off, with September reflecting a trend of diminishing light that continues into October. This gradual decrease serves as a transition, reminding locals and visitors alike to savor the sun-kissed days while preparing for the lush greenery and refreshing rains that define the coming months.
In Khlong Toei, Thailand, the likelihood of enjoying sunny weather takes a noticeable dip come September, with only a 10% chance of clear skies, making it one of the cloudiest months of the year. This stark contrast to the sunnier months like February, which boasts a 76% chance, highlights a distinct seasonal shift as the country transitions into the rainy season. Following a prolonged period of limited sunshine during July and August, September continues this trend, offering little respite from the clouds. As October approaches, the chances of sunlight gradually improve, but for those yearning for bright days, it’s best to plan ahead for a sunnier experience during the earlier months.
As we transition into September in Khlong Toei, Thailand, residents enjoy a consistent 12 hours of daylight, marking a continuation of the sunny, vibrant days that began in March and have persisted through the warm summer months. This pattern reflects a stable climate, where the daylight duration remains unwavering, providing ample time for outdoor activities and exploration. Following September, the daylight hours gently decrease in October, settling back to 11 hours as the region moves toward the cooler months. This rhythm of longer days in the summer, tapering off towards the year's end, not only shapes daily life but also enriches the cultural and natural beauty of this tropical locale.
As September arrives in Khlong Toei, Thailand, the winds tend to calm slightly, averaging a gentle 2.0 m/s (5 mph). This modest breeze reflects a broader trend observed throughout the year, where wind speeds fluctuate between seasons. After peaking at 3.0 m/s (7 mph) in both March and June, the winds gradually ease into the late summer and early fall months. While September's breeze is soft, it's part of a consistent pattern, mirroring October's wind speed, as both months invite a tranquil charm after the vibrant storms of the rainy season. This gentle shift not only marks the transition in weather but also creates an inviting atmosphere for the bustling life of Khlong Toei.
Weather in Khlong Toei varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Khlong Toei, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present notably different 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 of 29°C (84°F). This month is characterized by high humidity at 87% and frequent rainfall, accumulating 245 mm (9.6 in) over 24 days. In contrast, January offers a cooler climate with temperatures varying from 16°C (61°F) to 35°C (94°F), averaging 27°C (81°F). Precipitation is significantly lower, totaling only 29 mm (1.1 in) over just 3 days, and humidity drops to a more comfortable 59%. For more details, visit Khlong Toei weather in January.
September and February exhibit notably different 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 of 29°C (84°F). This month is characterized by high humidity at 87% and substantial rainfall of 245 mm (9.6 in) over 24 days, creating a tropical and often muggy atmosphere. In contrast, February sees slightly cooler temperatures that range from a minimum of 19°C (66°F) to a maximum of 35°C (96°F), with an average of 28°C (82°F). February experiences much lower precipitation—only 14 mm (0.5 in) over 3 days—and considerably reduced humidity at 58%, resulting in a drier and more comfortable climate. For more detailed information, check out Khlong Toei weather in February.
In September, the weather is characterized by higher humidity and significant rainfall, with average temperatures ranging from a minimum of 24°C (76°F) to a maximum of 36°C (97°F). This month receives about 245 mm (9.6 in) of precipitation over 24 days, resulting in a rather damp atmosphere. In contrast, March offers warmer and drier conditions, with temperatures averaging from a minimum of 22°C (72°F) to a maximum of 37°C (99°F) and only 44 mm (1.7 in) of precipitation spread over just 5 days. The humidity in March also drops to 61%, making for more comfortable weather overall. For a more detailed look at the climate, you can check Khlong Toei weather in March.
September and April present distinct weather patterns, reflecting the transition between seasons. In September, the minimum temperature is relatively warm at 24°C (76°F), with an average of 29°C (84°F) and a maximum that can reach up to 36°C (97°F). This month is characterized by high humidity at 87% and substantial rainfall, totaling about 245 mm (9.6 in) spread across 24 days. In contrast, April offers slightly hotter average temperatures, peaking at 38°C (100°F) with an average of 30°C (87°F) and a minimum of 21°C (70°F). However, April experiences considerably less rainfall, with only 107 mm (4.2 in) over 12 days and lower humidity levels at 70%. For a detailed look at what to expect in April, visit Khlong Toei weather in April.
In comparing the weather of September and May, September experiences slightly higher humidity at 87%, while May has a lower humidity of 80%. Despite the warmer average temperature of May at 30°C (87°F), September's maximum temperature can reach up to 36°C (97°F), whereas May can soar as high as 40°C (103°F). Precipitation is more prevalent in September, with 245 mm (9.6 in) over 24 days, compared to May's 142 mm (5.6 in) over 19 days. For more detailed insights, you can check out the Khlong Toei weather in May.
In comparing the weather of September and June, we observe that both months experience high temperatures, though June temperatures are slightly higher on average, with a minimum of 25°C (78°F) and an average of 30°C (86°F), peaking at 37°C (99°F). Meanwhile, September features a minimum of 24°C (76°F) and a slightly lower average of 29°C (84°F), with a maximum of 36°C (97°F). Notably, September is significantly wetter, receiving 245 mm (9.6 in) of precipitation over 24 days compared to June's 112 mm (4.4 in) over 22 days. Both months exhibit high humidity levels, with September at 87% and June slightly lower at 85%. For more detailed insights into June weather, you can visit Khlong Toei weather in June.
When comparing the weather in September and July, we see that both months have similar average temperatures, with September showing a minimum of 24°C (76°F) and a maximum of 36°C (97°F), while July experiences slightly warmer minimum and maximum temperatures at 25°C (78°F) and 37°C (99°F) respectively. However, September is marked by significantly higher precipitation levels, with 245 mm (9.6 in) spread over 24 days, compared to July's 159 mm (6.2 in) across 26 days. Additionally, humidity levels remain relatively high in both months, with September at 87% and July at 86%. For more detailed insights on the July weather, you can check Khlong Toei weather in July.
In comparing the weather between August and September, we can observe some notable differences. Both months experience high average temperatures, with September featuring a slightly lower minimum temperature of 24°C (76°F) compared to August's 25°C (77°F). However, September reaches a maximum of 36°C (97°F), just shy of August's peak of 37°C (99°F). Interestingly, September sees a significant increase in precipitation with 245 mm (9.6 in) over 24 days, while August receives only 163 mm (6.4 in) across 23 days, indicating that September is considerably wetter. Humidity levels are quite similar, with September at 87% and August slightly higher at 88%. For more detailed insights on August's weather, you can check out Khlong Toei weather in August.
In comparing the weather between September and October, we see a slight decrease in the maximum temperature, with October reaching a high of 35°C (96°F) compared to September’s 36°C (97°F). Both months share a similar average temperature of 29°C (84°F), but the minimum temperature is marginally cooler in October at 23°C (74°F) compared to September's 24°C (76°F). Precipitation remains high in both months, with October experiencing a total of 250 mm (9.9 in) over 21 days, slightly more than September’s 245 mm (9.6 in) across 24 days. Additionally, October's humidity drops to 83%, providing a touch of relief compared to the 87% humidity level in September. For more detailed insights, check out the Khlong Toei weather in October.
In September, the weather tends to be hotter and more humid, with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 36°C (97°F) and an average of 29°C (84°F). This month also sees significant rainfall, with 245 mm (9.6 in) of precipitation over 24 days and an average humidity of 87%. In contrast, November experiences milder conditions, featuring slightly cooler temperatures with a minimum of 21°C (70°F), an average of 28°C (83°F), and a maximum of 35°C (95°F). Precipitation drops substantially to 61 mm (2.4 in) across just 9 days, and humidity decreases to 78%. For more detailed information on November weather, you can visit Khlong Toei weather in November.
September and December present contrasting weather conditions. 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). The month is also characterized by significant rainfall, accumulating 245 mm (9.6 in) over 24 days, coupled with high humidity at 87%. In stark contrast, December sees milder conditions with temperatures dropping to a minimum of 15°C (59°F) and reaching a maximum of 35°C (95°F), averaging 27°C (80°F). Precipitation is markedly lower in December at just 24 mm (0.9 in) over only 2 days, and the humidity decreases to 70%. For more details on December weather, you can visit Khlong Toei weather in December.
As September unfolds in Khlong Toei, the weather shifts dramatically, marked by a sustained warmth and high humidity that create a muggy atmosphere typically experienced in this tropical locale. The region endures frequent and heavy rain, contributing to a considerable increase in precipitation days compared to other months. With temperatures averaging around 29°C, the month certainly feels hot, but it is the deluge of rain that truly sets September apart. If you're interested in learning more about the climatic nuances of this vibrant area, be sure to check out Khlong Toei Climate.