Last updated: August 27, 2025
September in Samut Prakan, Thailand is characterized by warm temperatures and high humidity, making it a typical month of the wet season. Daily maximum temperatures reach around 33°C (91°F), with an average of 29°C (84°F) and a minimum of 25°C (77°F). Rainfall is abundant, accumulating to 231 mm (9.1 in) over the course of approximately 24 days, contributing to the region's lush scenery. The humidity levels hover around a sultry 87%, creating a tropical atmosphere that both locals and visitors experience throughout the month.
In September, Samut Prakan embraces a warm climate, with temperatures marking a slight dip from the peak of the rainy season. The minimum temperature is a comfortable 25°C (77°F), while the average hovers around 29°C (84°F), with the maximum reaching 33°C (91°F). This month continues the trend of warm conditions established earlier in the year, but it also ushers in the onset of increased rain, making the air feel more humid. As the month progresses, the gradual cooling hints at the approaching autumn while still offering plenty of sunshine for outdoor adventures. Overall, September in Samut Prakan features a delightful blend of warmth and the refreshing embrace of rain, perfect for those seeking both relaxation and a taste of nature’s bounty.
September marks a significant shift in precipitation for Samut Prakan, Thailand, as it experiences one of the highest rainfall totals of the year, accumulating an impressive 231 mm (9.1 in) over 24 days. This month often serves as the peak of the monsoon season, with rainfall levels soaring past those of the preceding months, which consistently featured lighter showers. The increase is particularly notable when compared to August's 132 mm, signaling a transition into the wetter part of the season. Following this, October continues the trend with slightly higher precipitation, reaching 251 mm (9.9 in), but September's substantial rainfall serves as a reminder of the intense weather patterns typical for this region as it navigates through the lush, humid embrace of the monsoon.
In September, Samut Prakan experiences a high level of humidity at 87%, which is slightly lower than the peak seen in August at 88%. This month marks the tail end of the consistently humid monsoon season, with levels soaring from a moderate 59% in January to a peak of 86% in July. As the year progresses, humidity rises steadily, peaking in the summer months, particularly in May, June, July, and August, where it consistently hovers above 80%. Following September, a gradual decrease begins, leading into the dryer months of October through December, showcasing a seasonal ebb and flow that characterizes Thailand’s tropical climate.
As September rolls into Samut Prakan, Thailand, the UV Index remains impressively high at 13, which falls within the extreme exposure category. This means that residents and visitors alike should be vigilant, as the sun can cause skin burn in as little as 10 minutes. Interestingly, September's UV reading ties with those of the preceding summer months but shows a slight decrease from the peak intensity seen in March, May, July, and August, where the Index hit 14. This trend underscores the consistent intensity of Thailand’s tropical sun and serves as a reminder to protect your skin year-round. For more detailed insights and updates, check out the Samut Prakan UV Index.
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As September unfolds in Samut Prakan, Thailand, the sun graces the region with 268 hours of daylight, signaling a gentle decline from the vibrant summer months. While this marks a decrease from the sun-soaked peak of 336 hours in March, it remains a robust offering compared to October's 287 hours. The trend reveals a gradual tapering of sunlight as the year progresses; however, September still enjoys more sunshine than the often-cloudy winter months ahead. This transitional period invites a warm and inviting atmosphere, perfect for basking in the lingering rays of summer while savoring the early hints of autumn.
In Samut Prakan, Thailand, September marks one of the year's low points for sunny weather, with only a 10% chance of sunshine. This trend follows a significant decline in sunny days during the preceding months: from a more promising 34% in May to a mere 9% in August. The dry season, typically graced with more sun, is still a few months away, making September a part of the rainy season when cloud cover dominates. As the year progresses into October and November, a slight increase in sunny days is anticipated, but for now, those looking to enjoy sunny skies should plan their visits for the earlier months when the chances are notably higher.
In September, the vibrant city of Samut Prakan, Thailand, enjoys a steady 12 hours of daylight, consistent with the previous months from March through August. This period of prolonged sunlight marks the transition into the lush, rainy season, providing ample daylight for outdoor activities and highlighting the beautiful landscapes. As the year progresses, daylight begins to wane in October, mirroring the patterns found in the early months of the year, where sunlight is reduced to 11 hours per day. This rhythm of daylight duration reflects the tropical climate's unique consistency, underscoring the charm and energy of life in Samut Prakan throughout the seasons.
In September, the winds in Samut Prakan, Thailand, are notably gentle, with an average speed of 2.8 m/s (6 mph), marking a slight dip from the previous summer months. This trend follows a seasonal pattern where the wind tends to calm after the more breezy conditions of June, July, and August, which ranged around 3.6 to 4.1 m/s (8 to 9 mph). As September transitions into the softer winds of early autumn, it sets the stage for a more tranquil atmosphere, inviting both locals and visitors to enjoy the mild breezes that accompany the changing season. This pattern reflects a broader tendency of diminishing wind speeds as the year progresses toward the cooler, drier months ahead.
Weather in Samut Prakan varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Samut Prakan, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is notably warmer and more humid, with average temperatures around 29°C (84°F) and humidity levels reaching 87%. This month experiences frequent rainfall, with a substantial precipitation of 231 mm (9.1 in) spread over 24 days, making it one of the wettest months of the year. In contrast, January offers a much milder climate, with average temperatures of 27°C (80°F), lower humidity at 59%, and significantly less rainfall of only 30 mm (1.2 in) over just 3 days. For a detailed look at the weather conditions during January, you can check Samut Prakan weather in January.
September and February display notable differences in weather patterns. September tends to be much warmer, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 33°C (91°F) and an average of 29°C (84°F). However, this month also brings substantial rainfall, with 231 mm (9.1 in) of precipitation over 24 days, and high humidity levels at 87%. In contrast, February offers a milder climate, with temperatures from a low of 21°C (70°F) to a high of 32°C (90°F) and an average of 28°C (82°F). This month features significantly less precipitation, only 16 mm (0.6 in) across just 3 days, and lower humidity at 58%. For more details about February weather, you can check out Samut Prakan weather in February.
September and March in Samut Prakan showcase similar temperature ranges, with both months having an average of 29°C (84°F) and maximums reaching 33°C (91°F). However, September is notably more humid and wetter, with 231 mm (9.1 in) of precipitation over 24 days, compared to just 36 mm (1.4 in) of rain across 5 days in March. The humidity level in September is also significantly higher at 87%, whereas in March, it drops to a more comfortable 61%. For more detailed insights on March weather, you can check out Samut Prakan weather in March.
When comparing the weather in September and April, September typically experiences higher humidity at 87%, while April boasts a slightly lower humidity of 70%. Although both months average around 29°C (84°F), September's maximum temperature is a bit lower at 33°C (91°F) compared to April's peak of 34°C (93°F). Additionally, September is characterized by significantly more rainfall, with 231 mm (9.1 in) over 24 days, making it much wetter than April, which receives 102 mm (4.0 in) across just 12 days. For more details on the specifics of April's climate, check out Samut Prakan weather in April.
In comparing the weather of September and May, September tends to be slightly cooler, with average temperatures ranging from a minimum of 25°C to a maximum of 33°C, while May experiences a higher maximum of 35°C, albeit with a similar minimum of 24°C. May also records less rainfall, totaling 136 mm over 17 days, compared to September's 231 mm over 24 days, making May drier and more suitable for outdoor activities. Additionally, September's humidity is notably higher at 87%, compared to May's 80%, contributing to a more oppressive feel during the latter part of the year. For a more detailed look at the weather patterns in May, you can visit Samut Prakan weather in May.
In comparing the weather between September and June, September tends to be slightly cooler, with average temperatures reaching 29°C (84°F) compared to June's 30°C (86°F). However, June experiences a higher minimum temperature at 27°C (80°F) while September starts at a minimum of 25°C (77°F). Precipitation is significantly greater in September, totaling 231 mm (9.1 in) over 24 days, in contrast to June's 85 mm (3.3 in) spread over 20 days. Both months have high humidity levels, with September at 87% and June at 85%. For more detailed weather insights, you can check Samut Prakan weather in June.
In comparing the weather between September and July, both months experience warm temperatures, with September having a slightly lower minimum temperature of 25°C (77°F) compared to July's 26°C (79°F). The average temperatures remain similar, around 29°C (84°F) in September and 29°C (85°F) in July, but July tends to peak higher with a maximum of 34°C (93°F) against September’s 33°C (91°F). Nonetheless, September experiences significantly more precipitation, with 231 mm (9.1 in) of rain over 24 days, compared to July's 126 mm (4.9 in) over the same number of days. Humidity levels remain comparable, with September at 87% and July at 86%. For more details on July's weather, visit Samut Prakan weather in July.
In comparing the weather conditions of September and August, we observe that both months feature similar average temperatures, with September having a minimum of 25°C (77°F), and August experiencing a slightly higher minimum of 26°C (79°F). However, September is notably wetter, receiving 231 mm (9.1 in) of precipitation over 24 days, compared to August's 132 mm (5.2 in) over 23 days. Humidity levels remain high in both months, with September at 87% and August at 88%, creating a consistently tropical atmosphere. For more details on August weather conditions in Samut Prakan, you can explore Samut Prakan weather in August.
In September, the weather is characterized by warmer temperatures, with a minimum of 25°C (77°F), an average of 29°C (84°F), and a maximum reaching 33°C (91°F). This month also sees significant rainfall, totaling 231 mm (9.1 in) across 24 days, combined with high humidity levels at 87%.
By October, temperatures slightly decrease, featuring a minimum of 24°C (75°F) and an average of 28°C (83°F), while the maximum remains at 33°C (91°F). Rainfall increases slightly to 251 mm (9.9 in) over 20 days, though humidity lowers to 83%. For more details, you can check the Samut Prakan weather in October.
In September, the weather is characterized by warmer temperatures, with minimums around 25°C (77°F) and averages reaching 29°C (84°F), peaking at a maximum of 33°C (91°F). This month also experiences significant rainfall, with 231 mm (9.1 in) of precipitation over 24 days, contributing to high humidity levels of 87%. In contrast, November sees slightly cooler temperatures, with minimums dropping to 22°C (73°F) and an average of 28°C (82°F), while still maintaining a high maximum of 33°C (91°F). Notably, November has much lower precipitation, totaling only 55 mm (2.1 in) over just 8 days, and the humidity decreases to 78%. For more detailed information, you can check out Samut Prakan weather in November.
September and December present contrasting weather conditions. In September, temperatures range from a minimum of 25°C (77°F) to a maximum of 33°C (91°F), with an average of 29°C (84°F). This month is characterized by high humidity at 87% and significant rainfall, averaging 231 mm (9.1 in) over 24 days, making it one of the wetter months. In contrast, December offers a more moderate climate with temperatures ranging from a cooler minimum of 17°C (63°F) to a maximum of 32°C (91°F), maintaining a pleasant average of 27°C (80°F). Rainfall drops significantly to just 24 mm (0.9 in) over 3 days, accompanied by lower humidity at 70%. For more detailed information, check out Samut Prakan weather in December.
In September, the weather in Samut Prakan is characterized by a noticeable increase in humidity and frequent rainfall, setting it apart from the drier months of the year. With an average temperature hovering around a warm 29°C (84°F) and maximums reaching up to 33°C (91°F), the heat is often tempered by the nearly daily showers that contribute to a substantial 231 mm of precipitation over 24 days. This month marks a shift towards a more tropical climate, leaving visitors to experience a lush and vibrant atmosphere. For a deeper dive into the weather patterns and their implications throughout the year, explore the details at Samut Prakan Climate.