Last updated: August 27, 2025
In September, Sukhothai, Thailand, experiences a warm and humid climate, with maximum temperatures reaching around 37°C (98°F) and an average of about 29°C (85°F). The month is characterized by significant precipitation, totaling 238 mm (9.4 in), and rainy conditions persist for approximately 22 days. With humidity levels averaging 84%, visitors should be prepared for a tropical atmosphere that may influence outdoor activities. Embrace the lush landscapes and vibrant culture that thrive under these seasonal conditions.
September in Sukhothai, Thailand, offers mild yet warm conditions as the region transitions from the peak months of summer. With minimum temperatures around 24°C (76°F) and a comfortable average of 29°C (85°F), visitors can enjoy a pleasant ambiance. The maximum temperatures dip slightly to 37°C (98°F), providing a respite from the sweltering heat of previous months. This month exhibits a consistent trend of warmth, although the gradual decrease in maximum temperatures indicates the approach of the cooler season. Travelers will appreciate the balanced climate, making September an ideal time to explore Sukhothai's rich cultural heritage and stunning landscapes.
In September, Sukhothai experiences significant rainfall, receiving an impressive 238 mm (9.4 in) over approximately 22 days of precipitation, marking it as one of the wettest months of the year. This pattern follows a dramatic increase in rainfall that begins in April, culminating in August’s peak, where 303 mm (11.9 in) was recorded. The trend continues into September, although with a slight reduction, suggesting a gradual tapering off of the monsoon season. As the wettest time leads into October's lesser rainfall of 172 mm (6.8 in), it becomes evident that September serves as a crucial bridge, maintaining the region’s lush greenery while transitioning towards the drier months ahead.
In September, Sukhothai experiences a significant level of humidity at 84%, continuing a trend of high moisture that begins in June and peaks in August. This month marks a slight decline from August's peak humidity, but the air remains noticeably heavy, typical of the rainy season. The transition from the drier months of January through April, where humidity levels hover between 45% and 51%, illustrates a sharp contrast to the subsequent summer months, where the air becomes increasingly saturated. As October approaches, humidity levels begin to taper off to 71%, hinting at the gradual shift towards drier conditions, yet September remains firmly entrenched in the humid embrace characteristic of the region this time of year.
In September, Sukhothai, Thailand, experiences a consistently high UV Index of 14, placing it firmly in the extreme exposure category. With a mere 10 minutes before skin damage can occur, this month mirrors the intensity seen during the peak summer months of July and August. This trend of elevated UV levels from February through October indicates that visitors and locals alike must remain vigilant and take appropriate sun protection measures year-round. As the year progresses, while the UV Index begins to dip slightly in October, it remains essential to stay informed about the daily conditions to enjoy the sunny paradise safely. For more insights, check the detailed forecast at Sukhothai UV Index.
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As September rolls in, Sukhothai, Thailand, continues to bask in the warm embrace of sunshine, collecting 272 hours of radiant daylight. This marks a slight increase from the 242 hours in August, reflecting the region's transition from the rainy season towards drier months. Overall, September's sunshine is part of a consistent pattern, with hours gradually rising from the cooler winter months when sunlight dips to around 251 hours in January. Following a peak in March with 332 hours, the trend remains relatively stable through September, promising visitors plenty of opportunities to explore Sukhothai's stunning historical parks and vibrant landscapes under the golden sun. The promise of mild weather and ample sunshine makes September an excellent time to experience the beauty of this UNESCO World Heritage site.
September in Sukhothai, Thailand, marks a significant dip in sunny weather, with only an 11% chance of sunshine. This month falls within the rainy season, echoing a downward trend that begins in April and continues through August, where sunlight is scarce. Following this pattern, September is one of the least favorable months for sun-seekers, nestled between the peak rainy months. As the monsoon gradually recedes, a slight improvement can be seen in October, when the likelihood of sunny days rises to 24%. If you're planning a visit in September, be prepared for cloudy skies and the potential for rain rather than basking in bright sunlight.
In Sukhothai, Thailand, September enjoys a steady 12 hours of daylight, mirroring the durations of both March and April. As the sun begins its descent towards the cooler months, daylight hours maintain a consistent pattern, peaking in the mid-summer months of June and July with 13 hours each. Following this peak, August sees a slight decline, allowing September to hold its ground before gradually tapering off to 11 hours in October. This rhythm of daylight not only accentuates the seasonal transitions but also enhances the charm of Sukhothai, inviting both locals and visitors to explore the rich cultural heritage as the days begin to shorten.
In September, the gentle embrace of the wind in Sukhothai, Thailand reaches an average speed of 1.5 m/s (3 mph), marking a noticeable dip from the more breezy summer months. This reduction in wind velocity reflects the transition from the lively winds of mid-year, where June peaked at 2.5 m/s (6 mph), to a calmer atmosphere as the rainy season progresses. As October approaches, the breeze continues to softens to 1.2 m/s (3 mph), indicating the onset of cooler temperatures and a more serene environment. This gradual decrease suggests a shift towards a tranquil landscape, inviting visitors to enjoy the rich history and natural beauty of Sukhothai in the gentle September air.
Weather in Sukhothai varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Sukhothai, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, temperatures are warm, with averages around 29°C (85°F) and highs reaching up to 37°C (98°F). This month experiences significant rainfall, with 238 mm (9.4 in) of precipitation spread over 22 days, contributing to a high humidity level of 84%. In contrast, January boasts cooler temperatures, with minimums around 14°C (58°F) and an average of 26°C (78°F), while still peaking at 37°C (99°F). The precipitation drastically diminishes to just 26 mm (1.0 in) over only 2 days, resulting in a lower humidity level of 51%. For more detailed insights, you can check Sukhothai weather in January.
September and February present distinctly different weather patterns. September is characterized by higher humidity and significant rainfall, with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 37°C (98°F) and an average of 29°C (85°F). In contrast, February enjoys drier conditions with only 12 mm (0.5 in) of precipitation over just two days, and more comfortable humidity levels at 48%. Temperatures in February range from a cooler minimum of 16°C (62°F) to a maximum of 38°C (102°F), with an average of 27°C (81°F). For more details on this month’s weather, check out Sukhothai weather in February.
September and March present notable contrasts in weather conditions. September experiences warmer temperatures, with an average high of 37°C (98°F) and a humidity level of 84%, contributing to a sultry atmosphere. Rainfall is significant during this month, totaling 238 mm (9.4 inches) across 22 days, making it one of the wetter months of the year. In contrast, March boasts a higher average temperature of 31°C (87°F) but reaches a maximum of 41°C (106°F), providing a hotter, drier climate. March is characterized by minimal precipitation at just 10 mm (0.4 inches) over 2 days and significantly lower humidity at 45%. For more details on this month’s climatic conditions, visit Sukhothai weather in March.
In comparing the weather between September and April, September typically features a more moderate temperature range with a minimum of 24°C (76°F), an average of 29°C (85°F), and a maximum of 37°C (98°F). It also experiences significant precipitation, averaging 238 mm (9.4 in) over 22 days and high humidity at 84%. In contrast, April boasts a hotter climate with a minimum of 22°C (72°F), an average of 32°C (89°F), and extreme maximum temperatures reaching 44°C (111°F). Additionally, April has much lower precipitation at 93 mm (3.7 in) over just 9 days, and a significantly lower humidity level at 49%. For more details on April weather, check out Sukhothai weather in April.
In comparing the weather of September and May, we find that both months feature a minimum temperature of 24°C (76°F), but May typically experiences higher average and maximum temperatures, averaging 31°C (88°F) and reaching up to 42°C (108°F). In contrast, September has an average temperature of 29°C (85°F) with a maximum of 37°C (98°F). Additionally, September is characterized by its higher precipitation levels, with 238 mm (9.4 in) falling over 22 days, compared to May's 183 mm (7.2 in) over just 16 days. Humidity levels also differ significantly; September's humidity averages around 84%, while May enjoys a comparatively lower humidity of 71%. For more detailed insights, you can visit Sukhothai weather in May.
In comparing the weather of September and June, both months exhibit high temperatures and humidity levels, but with some notable differences. September has a minimum temperature of 24°C (76°F) and an average of 29°C (85°F), while June starts slightly warmer with a minimum of 25°C (76°F) and an average of 30°C (87°F). June's maximum temperature can reach up to 40°C (104°F), which is significantly higher than September's peak of 37°C (98°F). Both months see considerable precipitation, with September experiencing 238 mm (9.4 in) over 22 days compared to June's 192 mm (7.5 in) across the same number of rainy days. Humidity remains consistent at 84% for both months, making the air feel just as warm and heavy. For more detailed information on June's weather conditions, you can visit Sukhothai weather in June.
When comparing the weather in September and July, both months experience high temperatures and humidity, but there are some notable differences. September has a minimum temperature of 24°C (76°F) and an average of 29°C (85°F), while July's minimum temperature is slightly higher at 25°C (77°F) with an average of 30°C (86°F). July tends to reach higher maximum temperatures, peaking at 39°C (103°F), compared to September's maximum of 37°C (98°F). In terms of rainfall, September sees more precipitation at 238 mm (9.4 in) over 22 days, compared to July's 211 mm (8.3 in) over 23 days. Despite this, both months share a high humidity level of 84%. For more details, visit Sukhothai weather in July.
In comparing the weather of September and August, we observe that September experiences slightly lower minimum temperatures, with a minimum of 24°C compared to August's 25°C. The average temperature remains consistent at 29°C for both months, though August features a higher maximum temperature of 38°C versus September's 37°C. Precipitation levels are notably lower in September, with 238 mm over 22 days, compared to August, which sees 303 mm over 25 days. Additionally, humidity decreases slightly from August's 87% to September's 84%. For more insight into August’s weather patterns, you can check Sukhothai weather in August.
In September, the weather in Sukhothai is characterized by high temperatures, with minimums around 24°C (76°F) and averages peaking at 29°C (85°F). The month experiences considerable rainfall, totaling 238 mm (9.4 in) over 22 days, and high humidity levels at 84%. In contrast, October brings slightly lower minimum temperatures of 23°C (74°F) and an average temperature maintained at 29°C (84°F). Precipitation decreases significantly to 172 mm (6.8 in) over 19 days, and humidity drops to 71%. This shift indicates a transition towards slightly drier and less humid conditions as the month progresses. For more details, check out Sukhothai weather in October.
September and November present contrasting weather conditions. In September, temperatures range from a minimum of 24°C (76°F) to a scorching maximum of 37°C (98°F), with an average of 29°C (85°F). The month is characterized by high humidity levels at 84% and significant rainfall, totaling 238 mm (9.4 in) over 22 days. In contrast, November sees a drop in temperatures, with a minimum of 19°C (66°F), an average of 27°C (82°F), and a maximum of 35°C (96°F). Additionally, November enjoys much lower precipitation, with only 33 mm (1.3 in) over just 6 days and a reduced humidity of 62%. For more information on weather specifics, you can check Sukhothai weather in November.
In September, the weather is characterized by high temperatures, with a minimum of 24°C (76°F) and an average of 29°C (85°F), peaking at a sweltering 37°C (98°F). The month experiences significant rainfall, with 238 mm (9.4 in) of precipitation over 22 days, resulting in a humid environment with a humidity level of 84%. In contrast, December offers a much cooler climate, with temperatures ranging from a minimum of 12°C (53°F) to a maximum of 35°C (95°F), averaging around 25°C (77°F). Rainfall dramatically decreases to just 19 mm (0.7 in) over only 2 days and the humidity drops to 55%, providing a more comfortable atmosphere. For more details, you can refer to Sukhothai weather in December.
September in Sukhothai brings a notable shift in weather, characterized by higher humidity and frequent rainfall, setting it apart from other months. With an average temperature hovering around a warm 29°C (85°F), days can still feel oppressively hot, especially as the maximum can reach up to 37°C (98°F). The significant precipitation—over 238 mm (9.4 in)—across 22 rainy days contributes to a lush landscape, contrasting with the drier spells of the preceding months. This month’s clammy conditions and cloud cover provide a unique ambiance for visitors, making it essential to plan accordingly. For more insights into the region's weather patterns, explore Sukhothai Climate.