Last updated: August 27, 2025
September in Samut Songkhram, Thailand brings a blend of tropical warmth and monsoon moisture. With maximum temperatures reaching 36°C (98°F) and an average of 29°C (84°F), the month showcases a typical hot and humid climate. Nighttime lows rarely dip below 25°C (77°F), ensuring warmth lingers even after sunset. Rain is a frequent visitor, with 221 mm (8.7 in) spread across 24 days, contributing to the region's lush landscape. The high humidity at 87% envelops the area, creating a distinctly tropical atmosphere that captures the essence of Southeast Asia's wet season.
In September, Samut Songkhram experiences mildly warm temperatures, with a minimum of 25°C (77°F) and an average of around 29°C (84°F), peaking at 36°C (98°F). This month marks a subtle transition in the weather, as the highs continue to remain consistent with the preceding months of August and July, yet the slight dip in average temperatures hints at the approaching cooler season. Humidity remains high, characteristic of the rainy season, but the warmth is tempered by occasional showers. As the year progresses toward October, September offers a comfortable blend of heat and tropical breezes, making it an ideal time for visitors to enjoy the rich culture and serene landscapes of this charming Thai province.
In September, Samut Songkhram experiences a significant uptick in precipitation, with 221 mm (8.7 in) of rain falling over 24 days. This marks the peak of the rainy season, showcasing a dramatic increase compared to the drier months earlier in the year. As the monsoon intensifies, September's rainfall not only surpasses that of previous months but also sets the stage for the approaching October, which follows closely with 239 mm (9.4 in). The consistent pattern of frequent precipitation days reflects the region's transition into a lush, green landscape. This spike in moisture serves as a vital resource for agriculture, highlighting the profound impact of seasonal shifts on the local environment and economy.
In September, Samut Songkhram experiences a slight dip in humidity, averaging at 87%, after the peak levels of August, which recorded an impressive 90%. This month is often characterized by a lingering tropical moisture that clings to the region, maintaining a tropical feel despite a minor decrease. As the year progresses into October, humidity continues to decline, dropping to 83%, signaling the gradual transition towards drier conditions. The trend shows that while the monsoon influences the summer months, September marks a subtle shift, hinting at a forthcoming change in the weather.
In Samut Songkhram, Thailand, the UV Index remains consistently high throughout the year, with September showing a UV Index of 13, classified as extreme, resulting in a burn time of just 10 minutes. This month mirrors the intensity seen during the peak summer months, maintaining the trend of extreme UV exposure from February through August. Although September experiences a slight dip from the maximum UV Index of 14 seen in mid-year, it still demands vigilance—especially for outdoor activities. As the year transitions towards October, the UV Index begins to taper down slightly, yet stays within the extreme range. To ensure safe exposure to the sun and enjoy the beautiful surroundings of Samut Songkhram, it's vital to adopt protective measures. For detailed information, visit Samut Songkhram UV Index.
UV Risk Categories
September in Samut Songkhram, Thailand, brings a gentle transition from the vibrant summer months, showcasing 266 hours of sunshine. While this marks a noticeable dip from the sun-drenched peak of March with 335 hours, it still offers a warm embrace as the rainy season approaches. As the year progresses, September's sunlight is less intense compared to the earlier months, such as February's 299 hours and April's 322 hours. However, this gradual decline doesn't overshadow the beauty of the region; with October soon to follow, boasting about 286 hours of sunshine, the charm of Samut Songkhram remains ever-present, offering a harmonious blend of vibrant culture and natural beauty amidst the shifting weather patterns.
As September rolls into Samut Songkhram, Thailand, the likelihood of sunny weather takes a notable dip, with only a 9% chance of sunshine. This marked decrease follows a consistent trend seen throughout the wet season, where the chances of clear skies plunge significantly from the more promising months earlier in the year. For instance, February enjoys a robust 77% likelihood, but by September, the sun seems to hide away, making this month one of the cloudiest on the calendar. Such patterns emphasize the region's shift from the dry, sunny allure of early months towards the wetter and more overcast conditions typical of late summer and early autumn.
In Samut Songkhram, Thailand, September marks the continuation of a consistent daylight pattern that has been established throughout the year. Enjoying 12 hours of daylight, this month seamlessly aligns with the brighter summer months from March to August. As the seasons shift, daylight starts to dwindle in October, dropping to 11 hours and signaling a transition towards the shorter days of winter. This steady daylight duration underscores the tropical climate's relatively uniform sun exposure, making September a delightful time for outdoor activities and exploration in this vibrant region.
September in Samut Songkhram greets visitors with a gentle breeze, boasting an average wind speed of 1.7 m/s (4 mph). As the warm monsoon season unfolds, this slight relaxation in wind intensity marks a shift from the more blustery months of earlier summer. While the average wind speeds from January through August remain consistent, hovering around 2.1 to 2.8 m/s, September’s calmer conditions create a serene atmosphere, perfect for exploring the lush surroundings. Following this tranquil month, the winds slowly pick up again in October, offering a refreshing transition into the later months of the year. It's a lovely time to embrace the serene charm of the region, where even the winds seem to take a moment to breathe.
Weather in Samut Songkhram varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Samut Songkhram, 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 25°C (77°F) to a maximum of 36°C (98°F), with an average of 29°C (84°F). This month is notably humid, featuring high precipitation levels of 221 mm (8.7 in) over 24 days, resulting in an 87% humidity. In stark contrast, January boasts cooler temperatures, with a minimum of 16°C (62°F) and a maximum of 34°C (93°F), averaging 27°C (80°F). Preciptation in January is significantly lower at just 23 mm (0.9 in) over only 2 days, accompanied by a much drier humidity of 58%. For more detailed information, you can check the Samut Songkhram weather in January.
When comparing the weather in September and February, significant differences emerge. September experiences warmer temperatures with a minimum of 25°C (77°F) and an average of 29°C (84°F), peaking at a scorching 36°C (98°F). In contrast, February has slightly cooler conditions, with a minimum of 20°C (67°F) and an average of 28°C (82°F), reaching a maximum of 35°C (95°F). Additionally, September is notably wetter, receiving 221 mm (8.7 in) of precipitation over 24 days, while February sees much less, with only 13 mm (0.5 in) over just 3 days. Humidity levels also differ, with September at a high 87%, compared to February’s more comfortable 59%. For a detailed look at February weather, you can visit Samut Songkhram weather in February.
September and March exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 25°C (77°F) to a maximum of 36°C (98°F), with an average temperature of 29°C (84°F). This month experiences high humidity levels at 87% and significant precipitation, totaling 221 mm (8.7 in) over 24 rainy days. In contrast, March offers slightly warmer temperatures, with a minimum of 23°C (73°F) and a maximum of 37°C (99°F), yielding an average of 30°C (86°F). However, it is much drier, with only 35 mm (1.4 in) of rain falling over just 4 days, and lower humidity levels at 62%. For more details on the weather in March, you can visit Samut Songkhram weather in March.
September and April offer contrasting weather experiences. In September, temperatures range from a minimum of 25°C (77°F) to a maximum of 36°C (98°F), with an average of 29°C (84°F). This month is characterized by high humidity at 87% and significant rainfall, totaling 221 mm (8.7 in) over 24 days. In contrast, April has slightly warmer average temperatures, with a minimum of 21°C (70°F) and a maximum of 39°C (102°F), averaging around 30°C (87°F). However, it sees much less rain, with only 104 mm (4.1 in) falling over 11 days and humidity levels at a more comfortable 69%. For more details about the weather conditions in April, check out Samut Songkhram weather in April.
When comparing the weather in September and May, we see some notable differences. September tends to be slightly cooler on average, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 36°C (98°F), while May experiences a higher average temperature with a minimum of 24°C (75°F) and a scorching maximum of 40°C (103°F). In terms of precipitation, September is significantly wetter, receiving 221 mm (8.7 in) over 24 days, compared to May's 147 mm (5.8 in) over 19 days. Additionally, the humidity is higher in September at 87%, compared to 79% in May. For a detailed look at May’s weather in Samut Songkhram, you can check Samut Songkhram weather in May.
When comparing the weather in September and June, both months experience similarly high humidity levels at 87%. However, September tends to be slightly cooler, with average temperatures ranging from a minimum of 25°C (77°F) to a maximum of 36°C (98°F), while June has a minimum of 26°C (78°F) and reaches up to 37°C (99°F) on average. Additionally, September sees significantly higher precipitation, with 221 mm (8.7 in) over 24 days, compared to June's 119 mm (4.7 in) over 20 days. For more specifics about June weather, you can check Samut Songkhram weather in June.
When comparing the weather in September and July, both months exhibit relatively high temperatures, with September averaging 29°C (84°F) and July slightly higher at 29°C (85°F). The maximum temperature in September reaches 36°C (98°F), while July is just a degree warmer with a maximum of 37°C (99°F). However, September is noticeably wetter, receiving 221 mm (8.7 in) of precipitation over 24 days, compared to July's 135 mm (5.3 in) during the same number of days. Humidity levels are also similar, with September at 87% and July slightly higher at 89%. For more detailed insights, you can refer to Samut Songkhram weather in July.
In comparing the weather of September to August, both months exhibit similar temperature ranges, with minimums at 25°C (77°F), an average around 29°C (84°F in September and 85°F in August), and maximums reaching up to 36°C (98°F). However, September experiences significantly higher precipitation, totaling 221 mm (8.7 in) over 24 days, compared to August's 166 mm (6.5 in) over 25 days. Additionally, humidity is slightly lower in September at 87%, compared to 90% in August. For more detailed information about August weather, you can refer to Samut Songkhram weather in August.
In comparing the weather between September and October, September tends to be slightly warmer with an average temperature of 29°C (84°F) and a maximum of 36°C (98°F), while October has a marginally cooler average of 28°C (83°F) and a maximum of 34°C (94°F). Both months experience significant rainfall, but October sees a higher total precipitation at 239 mm (9.4 in) over 21 days compared to September's 221 mm (8.7 in) across 24 days. Humidity levels also slightly decrease in October to 83%, down from September's 87%. For a more detailed look at weather conditions in October, you can check Samut Songkhram weather in October.
September and November weather exhibit notable differences in temperature and precipitation patterns. September tends to be warmer, with average highs reaching up to 36°C (98°F) and consistent humidity levels at 87%. The month also sees significant rainfall, with 221 mm (8.7 in) of precipitation spread across 24 days. In contrast, November experiences slightly cooler temperatures, with averages peaking at 34°C (93°F) and a lower humidity of 77%. Additionally, rainfall drops dramatically to 79 mm (3.1 in), occurring over just 11 days. For more details, check Samut Songkhram weather in November.
September and December present stark contrasts in weather conditions. In September, temperatures range from a minimum of 25°C (77°F) to a maximum of 36°C (98°F), with an average of 29°C (84°F). The month is also characterized by high humidity at 87%, along with significant precipitation of 221 mm (8.7 in) over 24 days. In contrast, December brings a cooler climate, with temperatures dipping to a minimum of 16°C (61°F) and a maximum of 34°C (94°F), averaging 26°C (80°F). Additionally, December experiences much lower precipitation of only 20 mm (0.8 in) over just 3 days, and humidity drops to 66%. For a more detailed look at December's weather, you can visit Samut Songkhram weather in December.
As September unfolds in Samut Songkhram, the weather presents a distinctive character compared to other months. The high humidity at 87% creates a somewhat oppressive atmosphere, compounded by frequent rainfall, with 24 days of precipitation contributing to a total of 221 mm. While daytime temperatures peak at a warm 36°C, the average 29°C provides a slight respite. September is notably wetter than previous months, making it crucial for visitors to prepare for the rain while still enjoying the tropical warmth. For a deeper dive into the weather patterns throughout the year, be sure to check out Samut Songkhram Climate.