September Weather in Thon Buri, Thailand

Last updated: August 27, 2025

September in Thon Buri, Thailand brings a blend of warmth and moisture, characterized by maximum temperatures reaching up to 36°C (97°F) and an average of 29°C (84°F). With minimum readings around 24°C (76°F), the climate remains comfortably warm, yet the area experiences significant rainfall, totaling approximately 245 mm (9.6 in) over a staggering 24 days. The high humidity at 87% contributes to a tropical atmosphere, making this month a quintessential representation of Thailand's rainy season. Whether you're exploring the vibrant streets or enjoying indoor activities, September's weather presents a unique blend of heat and showers that shapes the experience of this lively locale.

September Temperature in Thon Buri

As September arrives in Thon Buri, Thailand, temperatures start to ease slightly, presenting a delightful blend of warmth and comfort. With minimums around 24°C (76°F), average temperatures lingering at 29°C (84°F), and maximums reaching 36°C (97°F), this month marks a transition from the peak heat of summer, inviting a more pleasant atmosphere for outdoor exploration. Compared to the sweltering highs of the preceding months, September’s temperatures maintain their tropical essence while offering a welcome respite, ideal for enjoying the city's vibrant scenes and cultural delights. As the rainy season approaches, the humidity begins to rise, but the overall trend of cooler evenings and less oppressive days makes September an enticing time to visit.

September Weather in Thon Buri: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Thon Buri, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Thon Buri, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec808285868686858584838280
Data source: Temperature data for Thon Buri generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Thon Buri

In September, Thon Buri experiences a significant surge in precipitation, with 245 mm (9.6 in) of rain falling over 24 days. This trend marks the peak of the rainy season, contributing to one of the wettest months of the year, following closely behind October, which sees 250 mm (9.9 in). The downpour in September is a stark contrast to the drier months earlier in the year, highlighting the region's transition from the hotter season. This uptick in rainfall not only supports the lush greenery of the area but also plays a crucial role in replenishing local water supplies. As the rainfall continues to dominate the landscape, the city prepares for the changing atmosphere, where thunderstorms and heavy showers become a regular feature of daily life.

September Precipitation Trends in Thon Buri

The chart displays monthly precipitation patterns in Thon Buri, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Thon Buri, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec2914441071421121591632452506124
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Thon Buri

In September, Thon Buri, Thailand, experiences a notable shift in humidity, with levels hovering around 87%. This month falls within the peak of the rainy season, where humidity levels are consistently high, peaking in August at 88%. As the year progresses, a clear trend emerges: from the dry beginnings of January at 59%, humidity steadily climbs, hitting significantly higher levels from May onwards, where the oppressive heat meets the monsoon rains. Following September, a gradual decrease is observed, with October bringing a slight dip to 83%, paving the way for more manageable conditions as the year draws to a close. This progression not only illustrates the region's tropical climate but also highlights the crucial role of humidity in defining the weather experience throughout the year.

September Average Humidity in Thon Buri

This chart illustrates the average monthly humidity levels in Thon Buri, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Thon Buri is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec59%58%61%70%80%85%86%88%87%83%78%70%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Thon Buri

In September, Thon Buri, Thailand experiences a UV Index of 13, indicating an extreme exposure category with a burn time of just 10 minutes. This figure aligns with the trend seen throughout the summer months, where the UV Index consistently hovers between 13 and 14. Such high levels of UV radiation underscore the importance of protecting your skin, especially as the rains begin to taper off and the sun remains strong. Compared to the milder months of November and December, where the UV Index drops to 9 and 8 respectively, September’s extreme ratings remind us to be vigilant. For a proactive approach to sun safety, consider checking the detailed UV Index information for the area at Thon Buri UV Index.

Maximum UV Index Levels in Thon Buri for September

The chart shows the monthly maximum UV Index (UVI) for Thon Buri in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Thon Buri typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1012141314131414131298
Data source: Thon Buri September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Thon Buri

As the summer months fade into autumn, September in Thon Buri, Thailand, brings a gentle decline in sunshine, delivering 268 hours of bright rays. This marks a noticeable dip from the peak of 336 hours seen in March but still offers a warm embrace compared to the cooler winter months ahead. The trend showcases a slow but steady reduction in sunlight from the vibrant highs of mid-year, with each month subtly transitioning towards the more temperate days of October and November. Even as the sunlight wanes, the charm of Thon Buri remains undiminished, inviting both locals and travelers to bask in the rich hues of this enchanting time of year.

Monthly Sunshine Duration in Thon Buri: September Highlighted

The September sunshine duration represents the total number of hours Thon Buri experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec251h299h336h322h321h302h290h280h268h287h294h316h
Data source: Thon Buri September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Thon Buri During September

In Thon Buri, Thailand, September heralds a distinct shift in weather patterns, with the likelihood of sunny days dipping to a mere 10%. This trend showcases a dramatic decline from the earlier months of the year; for instance, February boasts a robust 76% chance of sunshine, setting a stark contrast to September's overcast disposition. As the monsoon season intensifies, the gloomy forecasts persist through the latter half of the year, making September one of the most challenging months for sun-seekers. With such limited opportunities for clear skies, visitors might want to plan other activities that embrace the region's culture and attractions rather than rely on sunbathing during this time.

Percentage of Sunny Days in September in Thon Buri

The chart illustrates the percentage of sunny days in Thon Buri throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Thon Buri experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec58%76%57%18%33%17%11%9%10%14%29%63%
Data source: Thon Buri September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Thon Buri in September

In Thon Buri, Thailand, September marks the continuation of a consistent daylight pattern, offering 12 hours of sunlight, much like the preceding months of April through August. Throughout the year, daylight fluctuates between 11 and 12 hours, with the longest days occurring during the mid-year months. As we transition into October, days begin to shorten again, reminding us of the annual ebb and flow of daylight. This stable duration not only enhances the charm of September in Thon Buri but also provides ample opportunity for outdoor activities and enjoying the vibrant local culture under the sun.

Average Daylight Hours in Thon Buri for September

The chart illustrates the variation in daylight duration in Thon Buri throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 24m11h 40m12h 2m12h 25m12h 45m12h 54m12h 49m12h 33m12h 11m11h 48m11h 28m11h 19m
Data source: Thon Buri daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Thon Buri

September in Thon Buri, Thailand, ushers in a gentle breeze with an average wind speed of 2.0 m/s (5 mph), marking a slight dip from the month prior. This subtle softness in the air reflects a transitional period as the rainy season approaches, leading to a more subdued atmosphere. Notably, September's winds are among the calmest of the year, contrasted against the invigorating gusts of June (3.0 m/s) and March (3.0 m/s). This decrease in wind speed hints at the stillness that often settles before a seasonal change, inviting moments of reflection amidst the humid tropical climate. As the year progresses into October and November, Thon Buri maintains this moderate breeze, allowing locals and visitors alike to savor the tranquil weather.

Average September Wind Speed in Thon Buri

The chart displays monthly wind speed patterns in Thon Buri, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.32.43.01.92.43.02.72.62.0 m/s2.02.22.6
Data source: Thon Buri September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Thon Buri Compares to Other Months

Weather in Thon Buri varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Thon Buri, focusing on differences in temperature, rainfall, humidity, and UV levels.

In September, the weather is considerably warmer and more humid, with average temperatures ranging from a minimum of 24°C (76°F) to a maximum of 36°C (97°F), and a high humidity level of 87%. The month also experiences significant rainfall, totaling 245 mm (9.6 in) over 24 days. In contrast, January offers a more moderate climate, with temperatures averaging from a minimum of 16°C (61°F) to a maximum of 35°C (94°F). Rainfall is minimal, with only 29 mm (1.1 in) recorded over just 3 days, and the humidity drops to a comfortable 59%. For more detailed information about the weather in this month, visit Thon Buri weather in January.

September and February 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 characterized by high humidity at 87% and significant precipitation, totaling 245 mm (9.6 in) over 24 days. In contrast, February offers more moderate temperatures, with a minimum of 19°C (66°F), an average of 28°C (82°F), and a maximum of 35°C (96°F). February is notably drier, receiving only 14 mm (0.5 in) of rain over just 3 days, and features a lower humidity level of 58%. For more detailed insights, check out Thon Buri weather in February.

In September, the weather typically features warmer temperatures, with an average around 29°C (84°F) and highs reaching up to 36°C (97°F). This month is also characterized by significant rainfall, totaling about 245 mm (9.6 in) over approximately 24 days, coupled with high humidity at 87%. In contrast, March sees slightly cooler conditions with an average temperature of 30°C (86°F) and a maximum of 37°C (99°F). However, the precipitation decreases dramatically to just 44 mm (1.7 in) across about 5 days, leading to much lower humidity levels at 61%. For a detailed look at the climate specifics, you can refer to Thon Buri weather in March.

When comparing the weather of September and April, notable differences emerge in temperature and precipitation. September experiences slightly higher average temperatures, ranging from a minimum of 24°C (76°F) to a maximum of 36°C (97°F), while April boasts an average temperature of 30°C (87°F) with a higher peak of 38°C (100°F). Humidity levels are much higher in September at 87%, compared to April's 70%. Additionally, September receives significantly more rainfall, with 245 mm (9.6 in) spread over 24 days, in contrast to April’s 107 mm (4.2 in) over just 12 days. For more specific details on April weather conditions, check out Thon Buri weather in April.

September weather features slightly higher humidity levels at 87%, accompanied by temperatures ranging from a minimum of 24°C (76°F) to a maximum of 36°C (97°F) and substantial rainfall of 245 mm (9.6 in) over 24 days. In contrast, May experiences slightly warmer conditions with average highs reaching up to 40°C (103°F) and lower precipitation levels at 142 mm (5.6 in) spread over 19 days, along with a humidity of 80%. Therefore, while both months are warm and humid, September is marked by more frequent rain and cooler maximum temperatures compared to the hotter, drier weather typical of May. For more detailed information, check out Thon Buri weather in May.

September generally experiences slightly lower temperatures compared to June, with average highs of 29°C (84°F) against June's 30°C (86°F). However, September is marked by higher humidity at 87%, compared to June's 85%. Precipitation is significantly greater in September, with 245 mm (9.6 in) over 24 days, whereas June sees only 112 mm (4.4 in) across 22 days. This means September tends to be wetter, making it feel more humid despite only a marginal difference in temperature. For a more detailed look at June weather, you can check out Thon Buri weather in June.

In comparing the weather between September and July, September experiences slightly lower minimum and maximum temperatures, with a range of 24°C to 36°C (76°F to 97°F), compared to July's temperatures of 25°C to 37°C (78°F to 99°F). Despite the average temperature being fairly similar in both months, September sees significantly higher precipitation, totaling 245 mm (9.6 in) over 24 days, while July has 159 mm (6.2 in) of rain across 26 days. Humidity levels are marginally higher in September at 87%, compared to 86% in July. For more detailed insights, you can view the Thon Buri weather in July.

In comparing the weather between September and August, September sees a slight decrease in minimum temperature, dropping to 24°C (76°F), while average temperatures remain consistent at around 29°C (84°F). However, the maximum temperature slightly declines to 36°C (97°F) compared to August, where it peaks at 37°C (99°F). Precipitation in September significantly rises to 245 mm (9.6 in) over 24 days, contrasting with August's 163 mm (6.4 in) over 23 days. Humidity levels are comparable, with September at 87% and August at 88%. For more details on August weather, you can visit Thon Buri weather in August.

In September, the weather is characterized by slightly warmer temperatures, with a minimum of 24°C (76°F) and a maximum of 36°C (97°F). The month experiences significant rainfall, totaling 245 mm (9.6 in) over 24 days, accompanied by high humidity levels averaging 87%. In contrast, October sees a marginal decrease in maximum temperatures, peaking at 35°C (96°F) with a minimum of 23°C (74°F), while precipitation increases slightly to 250 mm (9.9 in) over 21 days. Humidity also recedes to an average of 83%, making October feel a bit more comfortable overall. For a detailed overview of conditions specific to Thon Buri, you can refer to Thon Buri weather in October.

In September, the weather tends to be quite warm and humid, with average temperatures around 29°C (84°F) and maximums reaching as high as 36°C (97°F). This month is marked by significant rainfall, totaling 245 mm (9.6 in) over 24 days, resulting in a high humidity level of 87%. In contrast, November sees a slight drop in temperatures, with a minimum of 21°C (70°F) and an average of 28°C (83°F), peaking at 35°C (95°F). Precipitation also decreases significantly to 61 mm (2.4 in) over just 9 days, contributing to a more comfortable humidity level of 78%. For more detailed information, check out Thon Buri weather in November.

September and December present starkly contrasting 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 also sees significant rainfall, with 245 mm (9.6 in) of precipitation over 24 days, coupled with high humidity levels at 87%. In contrast, December offers much cooler weather, with temperatures dipping to a minimum of 15°C (59°F) and averaging around 27°C (80°F), while the maximum reaches 35°C (95°F). Precipitation decreases dramatically to only 24 mm (0.9 in) over just 2 days, and humidity levels are more comfortable at 70%. For a more detailed look at December weather, visit Thon Buri weather in December.

Compare Thon Buri's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Thon Buri

As September rolls in, Thon Buri experiences a distinctive shift in weather patterns compared to the other months. With high humidity and frequent rain, this month stands out as one of the wettest times of the year. The balance between warm temperatures and persistent precipitation creates a unique atmosphere that is both lush and vibrant. If you're looking to understand how these factors influence local life and activities, check out more insights on Thon Buri Climate. Embrace the beauty of September's rainy season, as it infuses the landscape with a refreshing vitality.