Last updated: August 27, 2025
In September, Sathon, Thailand experiences a warm and humid climate, with maximum temperatures peaking at 36°C (97°F) and an average of 29°C (84°F). Evenings provide a welcome relief, with lows around 24°C (76°F). However, this month is characterized by significant rainfall, totaling 245 mm (9.6 in) across 24 days, resulting in a wet atmosphere with an average humidity of 87%. Visitors should brace for both the heat and the frequent downpours, making it essential to stay hydrated and prepared for sudden storms while enjoying the vibrant local culture.
In September, Sathon, Thailand, experiences a warm and welcoming climate, with temperatures reflecting the patterns of the preceding months. The minimum temperature hovers around 24°C (76°F), providing a gentle start to the day, while the average temperature remains a comfortable 29°C (84°F). The maximum temperature peaks at 36°C (97°F), slightly cooler than the extremes of the earlier summer months, yet still maintaining a vibrant warmth. This trend indicates a gradual easing of heat as the region transitions into the fall, making September an ideal time for outdoor activities and exploration amidst the lush greenery that the monsoon season often brings. Travelers can expect a mix of sunny days tempered by occasional rain, adding to the rich tapestry of Sathon's September climate.
September is a notably wet month in Sathon, Thailand, as it sees a dramatic spike in precipitation, with 245 mm (9.6 in) of rain falling over an average of 24 days. This substantial rainfall marks a peak in the wet season, following the already high levels from July and August. The trend throughout these months showcases a steady increase in precipitation, culminating in September’s high, which is surpassed only slightly by October's 250 mm (9.9 in). The consistency of rain during this period highlights Sathon's tropical climate and emphasizes the importance of preparing for frequent downpours, as communities navigate the challenges and benefits of the monsoon season.
In September, Sathon, Thailand experiences a notable decline in humidity, with levels around 87%. This marks a slight decrease from the peak months of July and August, which consistently hovered around 86% and 88% respectively. The gradual transition from the sultry summer months signals the approach of the rainy season, as humidity reaches its annual high in June and July. While September remains humid, it serves as a bridge towards drier conditions, setting the stage for a decrease in moisture that will continue into the fall months. Overall, the trend of rising humidity from January's 59% to the summer's peak illustrates the tropical climate's significant impact throughout the year, making September a pivotal month in Sathon’s seasonal cycle.
In September, Sathon, Thailand experiences a UV Index of 13, categorized as extreme, which means sun exposure can lead to skin damage in just 10 minutes. This trend of high UV levels continues from the months preceding September, where values have consistently hovered between 12 and 14 from February through August. As the region transitions into the later part of the year, slight declines in the UV Index can be observed in October, but September remains a crucial month for sun safety. With such elevated risk, it’s essential to take protective measures when heading outdoors. For more detailed insights, visit Sathon UV Index.
UV Risk Categories
As the calendar flips to September, Sathon, Thailand, experiences a gentle decline in sunshine hours, averaging 268 hours for the month. This marks a notable drop from the peak of 336 hours seen in March, ushering in the first hints of the rainy season. The summer months of May and June still boast respectable totals near 320 hours, but by September, the sunlight begins to retreat, hinting at the transitional phase as it prepares for the lush greenery that follows. Interestingly, despite this dip, Sathon's September still glows with more sunshine than the rainy months ahead, ensuring that the days remain bright while the air transforms. The cycle continues, with October promising a rebound to 287 hours, inviting a renewed burst of sunshine before the year closes out with a flourish in December.
In September, Sathon, Thailand experiences a notable dip in sunny weather, with only a 10% chance of sunshine. This low probability follows a consistent trend of diminishing sunlight as the rainy season progresses, peaking in the earlier months with February's impressive 76% chance. By the time we reach September, the likelihood of clear skies has sharply declined from the sun-filled days of January and December, which boast chances of 58% and 63% respectively. As the intensity of rain increases during this month, visitors and residents alike may find themselves reaching for their umbrellas rather than sun hats, highlighting the stark contrast from the more luminous months that bookend the rainy season.
In Sathon, Thailand, the month of September offers a delightful consistency in daylight, with the sun gracing the skies for a solid 12 hours each day. This trend of extended daylight begins in March and remains steady through to September, reflecting the region's tropical climate. Following this peak, daylight gradually tapers off to 11 hours starting in October, aligning with the onset of the cooler months. The consistent daylight during this period encourages outdoor activities and vibrant city life, making September a prime time to enjoy the warmth of the Thai sun before the days shorten.
As September blankets Sathon, Thailand, in a warm embrace, the average wind speed drifts down to 2.0 m/s (5 mph), mirroring the calm that often accompanies the transition from the heat of summer towards the cooler months ahead. This marks a gentle decline from the livelier breezes of June and March, where gusts reached 3.0 m/s (7 mph), suggesting a seasonal shift that invites quieter moments and introspection. Interestingly, September’s winds are on par with those in October and November, indicating that the area enjoys a consistently moderate breeze as it moves towards the year’s end. Overall, the wind patterns reveal a cycle of varying intensities, with the cooler months promising a refreshing change beneath the tropical skies.
Weather in Sathon varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Sathon, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present distinctly 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 marked by significant rainfall, totaling 245 mm (9.6 in) over approximately 24 days, and a high humidity level of 87%. In contrast, January boasts milder temperatures, with a minimum of 16°C (61°F), an average of 27°C (81°F), and a maximum of 35°C (94°F). Rainfall is minimal, only 29 mm (1.1 in) over about 3 days, leading to a much drier climate with 59% humidity. For more detailed insights on January weather, you can visit Sathon weather in January.
September and February present quite different weather experiences. 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 brings significant rainfall, with 245 mm (9.6 in) of precipitation spread over 24 days, resulting in high humidity levels averaging 87%. In contrast, February features milder weather, with temperatures ranging from a minimum of 19°C (66°F) to a maximum of 35°C (96°F), and an average temperature of 28°C (82°F). Rainfall is minimal in February, totaling just 14 mm (0.5 in) over only 3 days, contributing to a more comfortable humidity level of 58%. For more details about February weather, visit Sathon weather in February.
When comparing the weather between September and March, several notable differences emerge. September is characterized by higher humidity at 87% and greater precipitation, with an average of 245 mm (9.6 in) over 24 days, making it one of the wetter months. The temperatures in September 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).
In contrast, March experiences lower humidity at 61% and significantly less rainfall, totaling only 44 mm (1.7 in) over just 5 days. The temperatures are slightly warmer, with a minimum of 22°C (72°F) and a maximum of 37°C (99°F), averaging around 30°C (86°F). For more detailed information, you can visit Sathon weather in March.
In comparing the weather of September and April, notable differences emerge. September tends to be more humid, with an average temperature of 29°C (84°F) and high humidity levels around 87%, while April, although slightly warmer on average at 30°C (87°F), has lower humidity at 70%. Precipitation is another significant factor; September receives a considerable 245 mm (9.6 in) of rainfall over 24 days, in contrast to April’s much drier 107 mm (4.2 in) over just 12 days. This makes April a generally sunnier month, while September experiences more frequent rain. For further details on April's weather, you can check Sathon weather in April.
September and May present distinct differences in weather patterns. September experiences slightly warmer average temperatures, with a range from 24°C (76°F) to a maximum of 36°C (97°F), alongside high humidity levels of 87%. However, it is also characterized by a significant amount of rainfall, accumulating 245 mm (9.6 in) over 24 days. In contrast, May features marginally lower average temperatures, ranging from a minimum of 23°C (74°F) to a maximum of 40°C (103°F), but with less rainfall totaling 142 mm (5.6 in) over 19 days and a slightly lower humidity of 80%. For more details, check out Sathon weather in May.
In comparing the weather between September and June, we observe that both months have high temperatures, but September tends to have slightly lower minimum and average temperatures, with a range from 24°C (76°F) to 36°C (97°F), compared to June's 25°C (78°F) to 37°C (99°F). Interestingly, September receives significantly more precipitation, totaling 245 mm (9.6 in) over 24 days, while June has only 112 mm (4.4 in) across 22 days. Humidity levels are comparable, with September at 87% and June slightly lower at 85%. For more specific details about weather conditions in June, you can refer to Sathon weather in June.
In comparing the weather between September and July, both months share warm temperatures, with September having a minimum of 24°C (76°F) and an average of 29°C (84°F), similar to July's minimum of 25°C (78°F) and average of 29°C (85°F). However, July boasts slightly higher maximum temperatures, reaching 37°C (99°F) compared to September's peak of 36°C (97°F). Another notable difference lies in precipitation; September experiences significantly more rainfall with 245 mm (9.6 in) over 24 days, whereas July sees 159 mm (6.2 in) across 26 days. Humidity levels are relatively comparable, with September at 87% and July at 86%. For more details, check out Sathon weather in July.
In September, the weather remains warm with minimum temperatures around 24°C (76°F) and an average high of 36°C (97°F), although it feels slightly more humid with an average of 87%. In comparison, August features a slightly higher minimum temperature of 25°C (77°F) and a similar average temperature of 29°C (85°F), peaking at 37°C (99°F). However, August is relatively drier, receiving only 163 mm (6.4 in) of precipitation over 23 days, compared to September's substantial 245 mm (9.6 in) across 24 days. For more details, check Sathon weather in August.
In September, the weather tends to be slightly warmer, with minimum temperatures of 24°C and maximums reaching up to 36°C, while October shows a marginally lower maximum temperature of 35°C. Both months have similar average temperatures of around 29°C, but October experiences a slight decrease in humidity at 83% compared to September's 87%. Precipitation levels are similar as well, with September receiving 245 mm over 24 days and October slightly higher at 250 mm over 21 days. For more detailed insights on October weather, you can check Sathon weather in October.
In September, the weather is significantly warmer and more humid, with average temperatures reaching 29°C (84°F) and maximums soaring to 36°C (97°F). The month experiences considerable rainfall, totaling 245 mm (9.6 in) over 24 days, leading to high humidity levels of 87%. In contrast, November sees a slight decrease in temperature, with average highs of 28°C (83°F) and a maximum of 35°C (95°F). The precipitation drops dramatically to 61 mm (2.4 in) over just 9 days, resulting in a more comfortable humidity level of 78%. For more detailed insights into November weather, you can check Sathon weather in November.
September and December showcase a stark contrast in 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 of 29°C (84°F). This month experiences significant rainfall, measuring 245 mm (9.6 in) across 24 days, accompanied by high humidity levels of 87%. In contrast, December brings cooler temperatures, with a minimum of 15°C (59°F) and a maximum of 35°C (95°F), averaging 27°C (80°F). The precipitation drastically drops to just 24 mm (0.9 in) over 2 days, and humidity decreases to 70%. For more insights on the December weather in Sathon, visit Sathon weather in December.
As September unfolds in Sathon, the weather transitions into a noticeable pattern characterized by elevated humidity and frequent rainfall. With temperatures averaging a warm 29°C, the month brings a mix of sunny and overcast days, making it distinct from the typically drier months preceding it. The 245 mm of precipitation collected over 24 days transforms the landscape, lending a lush green vibrancy to the surroundings. If you're eager to understand how Sathon's September weather compares to other months, be sure to explore further details at Sathon Climate.