Last updated: August 27, 2025
In September, Nakhon Si Thammarat, Thailand, experiences a tropical climate characterized by warm temperatures and high humidity. The maximum temperature reaches around 33°C (91°F), while the average settles at a comfortable 27°C (82°F) and rarely dips below 24°C (76°F). This month is notable for its considerable rainfall, with a total precipitation of 154 mm (6.0 in) over 27 days, making it crucial for travelers and locals to prepare for frequent showers. With an average humidity level of 87%, the air feels particularly muggy, underscoring the region’s lush greenery and vibrant ecosystems during this monsoon season.
In September, Nakhon Si Thammarat experiences a warm tropical climate with temperatures that almost mirror those of the preceding months. The minimum temperature settles around 24°C (76°F), while averages reach 27°C (82°F), creating a comfortable atmosphere for outdoor activities. As the mercury peaks at 33°C (91°F), visitors can expect balmy days typical of the region's wet season. This month notably sees a slight dip in average temperatures compared to the scorching heat of April and May, yet retains a summer-like warmth, making it an appealing choice for those drawn to Thailand's lush landscapes and rich cultural experiences. The consistency of these warm temperatures underscores the inviting charm of this southern Thai destination year-round.
September in Nakhon Si Thammarat, Thailand, heralds a significant uptick in rainfall, receiving 154 mm (6.0 in) of precipitation over an impressive 27 days. This month serves as a transition into the wet season, with rain becoming more frequent and persistent compared to the preceding months. Following the drier summer months of July and August, which recorded 95 mm and 100 mm respectively, September's showers set the stage for the heavier downpours that continue into October and November. As the wettest months approach, it's clear that September acts as a tipping point, welcoming the lush greenery that characterizes Nakhon Si Thammarat's tropical landscape.
In Nakhon Si Thammarat, September ushers in a remarkable shift in humidity levels, with the average soaring to 87%. This month is part of a trend characterized by consistently high humidity, particularly noticeable from June through August, when the figures peak at 86% and 88%. Following September, humidity remains elevated into October, dropping slightly to 86%. Overall, the late summer and early fall months create a humid climate that is a defining feature of the region, making it feel particularly lush as the year transitions toward the cooler months.
In September, Nakhon Si Thammarat experiences a striking UV Index of 14, maintaining its status as an extreme exposure category, with a burnout time limited to just 10 minutes. This trend reflects a consistent pattern seen throughout the year, where the UV Index remains alarmingly high from January through October, peaking in March at 16. Even in the typically cooler months of November and December, the index only slightly dips, emphasizing the necessity for sun protection year-round. As you soak up the tropical sun, it’s crucial to stay informed and take precautions. For more details, visit the Nakhon Si Thammarat UV Index.
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As the calendar turns to September in Nakhon Si Thammarat, Thailand, the sun continues to shine brightly, offering an impressive 293 hours of sunshine. This month, while slightly lower than the peak of spring with March shining the most at 344 hours, remains vibrant and inviting. The trend of abundant sunlight carries through the preceding months, exhibiting a consistent range between 300 to 320 hours, highlighting the region's tropical charm. Although the daylight hours begin to taper off as the year progresses, September still holds its own as a golden time to enjoy the warm embrace of the sun before the cooler days of late fall arrive.
As September rolls in Nakhon Si Thammarat, Thailand, the likelihood of sunny weather takes a notable dip, with only a 10% chance of sunshine. This is part of a broader trend observed during the rainy season, where the peak summer months like February and March boast much higher probabilities of clear skies at 45% and 40% respectively. Conversely, the latter part of the year paints a different picture, as the chances of sunny days dwindle further, reaching as low as 5% in November. Travelers seeking sun-soaked days in September should brace for overcast skies and rain, continuing the trend established in the previous months.
In Nakhon Si Thammarat, Thailand, September marks a continuation of a stable trend in daylight duration, with the region enjoying 12 hours of sunlight, similar to the preceding months from March through August. This consistent daylight pattern highlights the tropical climate's influence, where the variation in day length is minimal throughout the year. As the month of October approaches, daylight begins to taper off to 11 hours, signaling the gradual onset of the cooler months. This subtle shift encapsulates the rhythm of seasonal change in this vibrant locale, where residents experience a harmonious balance of light and darkness.
In September, the winds in Nakhon Si Thammarat, Thailand gently Whisper at an average speed of 1.8 m/s (4 mph), reflecting a subtle decline in strength as the transition from the summer months progresses. Throughout the year, wind speeds tend to be at their peak during the winter months, notably December, which experiences a brisk 3.1 m/s (7 mph). Conversely, the summer months, particularly from April to August, showcase a notable dip, with speeds often hovering around or below 2 m/s. This gentle breeze in September not only enhances the pleasant tropical climate but also signals the slow, rhythmic changes of the monsoon season, making it a serene time for locals and visitors to enjoy the landscapes of this beautiful coastal region.
Weather in Nakhon Si Thammarat varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Nakhon Si Thammarat, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, Nakhon Si Thammarat experiences warmer temperatures, with a minimum of 24°C (76°F) and an average of 27°C (82°F), peaking at a maximum of 33°C (91°F). The month is characterized by high humidity at 87% and significant rainfall, totaling 154 mm (6.0 in) over 27 days. In contrast, January features slightly cooler temperatures, with a minimum of 23°C (73°F) and an average of 26°C (79°F), reaching a maximum of 30°C (86°F). Although January sees more precipitation, totaling 197 mm (7.8 in) over 19 days, the humidity drops to a more comfortable 72%. For more details about January weather in this region, you can visit Nakhon Si Thammarat weather in January.
In September, the weather is typically warmer and more humid, with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 33°C (91°F) and an average of 27°C (82°F). This month experiences significant rainfall, totaling 154 mm (6.0 in) over 27 days, leading to a humidity level of 87%, making it feel quite muggy. In contrast, February offers slightly cooler temperatures with a minimum of 21°C (71°F), an average of 26°C (80°F), and a maximum of 31°C (88°F). Rainfall is considerably less, averaging 62 mm (2.4 in) over just 13 days, resulting in a much lower humidity level of 68%. For more detailed information, you can check Nakhon Si Thammarat weather in February.
September and March in Nakhon Si Thammarat offer similar average temperatures, both hovering around 27°C (82°F). However, September is notably warmer at night with a minimum temperature of 24°C (76°F), compared to March's cooler 21°C (70°F). Precipitation also varies significantly; September experiences a high of 154 mm (6.0 in) over 27 days, contributing to its humid conditions at 87%, whereas March sees just 66 mm (2.6 in) across 11 days and a more comfortable humidity level of 68%. For more specific insights on March weather, you can explore Nakhon Si Thammarat weather in March.
In September, the weather is characterized by slightly lower temperatures, with an average of 27°C (82°F) and a maximum of 33°C (91°F), while April experiences a marginally warmer average of 28°C (83°F) and peaks at 34°C (93°F). However, September sees significantly more precipitation, totaling 154 mm (6.0 in) over 27 days, compared to April's 180 mm (7.1 in) across just 20 days. Additionally, September's humidity is noticeably higher at 87%, whereas April maintains a more comfortable 69%. For a detailed look at April's weather patterns, you can visit Nakhon Si Thammarat weather in April.
In comparing the weather between September and May, we find that both months feature warm temperatures, but May tends to be slightly warmer, with an average temperature of 28°C (83°F) compared to September's 27°C (82°F). Both months experience high humidity levels, though September is notably more humid at 87%, while May's humidity sits at a lower 77%. Rainfall is similar in both months, with September receiving 154 mm (6.0 in) over 27 days and May experiencing slightly higher precipitation of 160 mm (6.3 in) over 25 days. For more detailed weather information for May, you can check Nakhon Si Thammarat weather in May.
September and June in Nakhon Si Thammarat showcase similar high temperatures, with both months seeing maximums reach around 33°C (91°F), though June is slightly warmer on average at 28°C (83°F). Interestingly, September experiences a higher minimum temperature of 24°C (76°F), compared to June’s minimum of 25°C (76°F). When it comes to precipitation, September is notably wetter, receiving about 154 mm (6.0 in) over 27 days, while June has less rain at 110 mm (4.3 in) across 22 days. The humidity levels are comparable, with September slightly higher at 87% versus June’s 86%. For a detailed look at the weather specifics in June, you can refer to Nakhon Si Thammarat weather in June.
When comparing the weather in September to July, we can see some notable differences. In September, temperatures remain relatively stable with a minimum of 24°C (76°F) and a maximum of 33°C (91°F), similar to July's range, where the min is also 24°C (76°F) and the max reaches 33°C (92°F). However, September has a slightly lower average temperature of 27°C (82°F) compared to July's 28°C (83°F). One significant distinction is the increase in precipitation in September, totaling 154 mm (6.0 in) over 27 days, compared to July's 95 mm (3.7 in) spread over 22 days. This leads to a marginally higher humidity level in September at 87%, compared to 86% in July. For a more detailed look at July weather, you can refer to Nakhon Si Thammarat weather in July.
In comparing the weather between September and August, we see that both months experience warm temperatures, although September tends to be slightly cooler. September has a minimum temperature of 24°C (76°F) with an average of 27°C (82°F), while August has a minimum of 25°C (76°F) and an average of 28°C (82°F). However, August boasts higher maximum temperatures, reaching 34°C (93°F), compared to September's maximum of 33°C (91°F). Rainfall also increases in September, with 154 mm (6.0 in) spread over 27 days compared to August's 100 mm (3.9 in) over 24 days, resulting in slightly higher humidity levels in September at 87% versus 88% in August. For more details on August weather, you can check Nakhon Si Thammarat weather in August.
In comparing the weather between September and October, we find that both months maintain similar temperature ranges, with a minimum of 24°C (76°F) and an average around 27°C (81°F for October, slightly lower than September's 27°C or 82°F). However, October experiences a slight decrease in maximum temperature, peaking at 32°C (90°F) compared to September's 33°C (91°F). Precipitation levels rise significantly in October, totaling 230 mm (9.1 in) over 28 days, marking an increase from September's 154 mm (6.0 in) across 27 days. Humidity remains relatively steady, with 86% in October compared to 87% in September. For more detailed insights into October's weather patterns, you can visit Nakhon Si Thammarat weather in October.
In comparing the weather between September and November, we see some notable similarities and differences. Both months maintain a consistent minimum temperature around 24°C (75°F), with average temperatures slightly dropping from 27°C (82°F) in September to 27°C (80°F) in November. However, the maximum temperatures see a decrease from 33°C (91°F) in September to 31°C (87°F) in November.
Precipitation levels witness a significant increase in November, soaring to 394 mm (15.5 in) compared to 154 mm (6.0 in) in September, indicating a much wetter month despite both having the same number of rainy days—27. Humidity remains unchanged at a high 87% for both months, contributing to a consistently humid environment.
For more details on the weather specifics during November, you can check out this link: Nakhon Si Thammarat weather in November.
In September, the weather in Nakhon Si Thammarat is typically warm, with average temperatures ranging from a minimum of 24°C (76°F) to a maximum of 33°C (91°F). This month sees significant rainfall, with an average precipitation of 154 mm (6.0 in) spread over 27 days, contributing to a high humidity level of 87%.
In contrast, December experiences slightly cooler temperatures, with averages between 23°C (73°F) and 31°C (88°F). However, this month brings a notable increase in precipitation, totaling 302 mm (11.9 in) over 23 days, while humidity remains relatively high at 83%.
For more specific weather insights, you can check Nakhon Si Thammarat weather in December.
As September unfolds in Nakhon Si Thammarat, the weather showcases a blend of warmth and humidity that sets it apart from other months. With average temperatures hovering around a comfortable 27°C (82°F), the days can feel quite warm, especially amidst the elevated humidity levels of 87%. Rain is a constant companion, with significant precipitation occurring on nearly 27 days, making the month one of the wettest of the year. This combination of heat and moisture leads to a lush, vibrant environment, creating a distinct atmosphere that attracts both locals and visitors alike. For more detailed insights into the region's weather patterns, check out Nakhon Si Thammarat Climate.