September Weather in Samphanthawong, Thailand

Last updated: August 27, 2025

September in Samphanthawong, Thailand, presents a vibrant tapestry of weather, characterized by a maximum temperature soaring up to 36°C (97°F) and a comfortable average of 29°C (84°F). Visitors can expect warm, humid days with temperatures rarely dipping below a minimum of 24°C (76°F). The month is also marked by significant precipitation, totaling 245 mm (9.6 in) over approximately 24 days, creating a lush, tropical environment. With humidity levels around 87%, the air retains a moist warmth, offering a unique experience of the region's captivating climate.

September Temperature in Samphanthawong

September in Samphanthawong, Thailand, ushers in a subtle transition as the summer heat begins to wane. With minimum temperatures settling around 24°C (76°F) and a comfortable average of 29°C (84°F), the weather remains inviting yet slightly cooler than the sizzling peak of summer. The maximum temperature reaches 36°C (97°F), still warm enough for outdoor adventures but more bearable than the hotter months preceding it. This month marks a shift towards the more moderate temperatures of autumn, hinting at the cooler days to come while still offering plenty of sunshine—perfect for soaking up the vibrant local culture. As the rains of October approach, September’s humidity remains balanced, making it a delightful time to explore Samphanthawong's unique charm.

September Weather in Samphanthawong: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Samphanthawong, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Samphanthawong, 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 Samphanthawong 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 Samphanthawong

September marks a significant peak in precipitation for Samphanthawong, Thailand, with an impressive 245 mm (9.6 in) of rain falling across 24 days. This surge denotes a sharp increase compared to the preceding months, where rainfall gradually rose through the rainy season, culminating in a vibrant, lush landscape. As monsoon conditions dominate, September stands out as a crucial period for replenishing local water resources, setting the stage for October's similarly high levels of 250 mm (9.9 in). The consistent rainfall, peaking in September, supports the region's agriculture and ecosystems while also highlighting the transition from the drier months to the height of the rainy season.

September Precipitation Trends in Samphanthawong

The chart displays monthly precipitation patterns in Samphanthawong, 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 Samphanthawong, 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 Samphanthawong

September in Samphanthawong, Thailand, brings a slight dip in humidity compared to the oppressive levels of the preceding months, holding steady at 87%. This marks a continuation of the region's notably high humidity during the summer, peaking in August at 88%. As the rainy season transitions, September provides a brief respite as temperatures begin to cool slightly, while the humidity remains noticeably elevated compared to the early months of the year, when it averaged around 59%. Observing the trend, it's evident that the latter half of the year experiences a significant rise in humidity, peaking in the summer months, before gradually tapering off toward the cooler finale of the year.

September Average Humidity in Samphanthawong

This chart illustrates the average monthly humidity levels in Samphanthawong, 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 Samphanthawong 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 Samphanthawong

As September unfolds in Samphanthawong, Thailand, the UV Index remains notably high, registering at 13, which classifies it as extreme and underscores the need for diligent sun protection with a burn time of just 10 minutes. This month aligns closely with the preceding summer, where the UV Index consistently reached 14, reflecting an ongoing trend of elevated sun exposure. Even as the year progresses into October, the UV Index slightly dips to 12, yet it retains an extreme designation, suggesting that the sun's intensity remains a significant concern. Visitors and residents alike should continue to exercise caution and stay informed by regularly checking the Samphanthawong UV Index to protect themselves from harmful UV radiation.

Maximum UV Index Levels in Samphanthawong for September

The chart shows the monthly maximum UV Index (UVI) for Samphanthawong 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 Samphanthawong typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1012141314131414131298
Data source: Samphanthawong 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 Samphanthawong

In September, Samphanthawong experiences a gentle shift in sunlight, averaging 268 hours of sunshine, a slight decline compared to the vibrant summer months. This trend marks a transition as the peak of sunlight in March with its impressive 336 hours begins to ebb, leading into the cooler months ahead. While the days remain predominantly sunny, the decrease signals the onset of the rainy season, fostering a lushness in the environment. As the year progresses into October with a modest rebound to 287 hours, the interplay of sunlight and humidity paints a captivating picture of Thailand's dynamic climate, inviting visitors to enjoy the unique charm of this bustling district.

Monthly Sunshine Duration in Samphanthawong: September Highlighted

The September sunshine duration represents the total number of hours Samphanthawong 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: Samphanthawong September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Samphanthawong During September

In Samphanthawong, Thailand, the likelihood of sunny weather in September is notably low, with a mere 10% chance of sunshine. This marks a significant decline from the more favorable conditions seen earlier in the year, such as February's impressive 76% chance. The trend reveals that as the rainy season approaches, the probability of sunny days decreases sharply, peaking in the dry months of early year and dwindling through the summer. This pattern culminates in September, where both cloud cover and rainfall dominate the weather, offering little hope for those seeking clear skies. As October rolls in, there is a slight uptick to 14%, but overall, visitors during September should be prepared for somber skies and wet conditions.

Percentage of Sunny Days in September in Samphanthawong

The chart illustrates the percentage of sunny days in Samphanthawong 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 Samphanthawong experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec58%76%57%18%33%17%11%9%10%14%29%63%
Data source: Samphanthawong September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Samphanthawong in September

In Samphanthawong, Thailand, September enjoys a consistent 12 hours of daylight, maintaining the trend established over the summer months. This stability highlights a significant characteristic of the region’s climate, where daylight duration remains relatively steady from March through September. As the year progresses, daylight begins to wane, with October seeing a slight decrease to 11 hours. The gradual shift underscores the seasonal transition, as the days become shorter heading into the cooler months. This pattern emphasizes the predictability of daylight in the region, offering residents and visitors alike a sense of rhythm in their daily lives amid the vibrant backdrop of Thai culture.

Average Daylight Hours in Samphanthawong for September

The chart illustrates the variation in daylight duration in Samphanthawong 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: Samphanthawong daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Samphanthawong

In September, the wind in Samphanthawong, Thailand gently whispers at an average speed of 2.0 m/s (5 mph), matching the calmness of October. This slight dip in wind speed reflects a transition into the cooler months, following a breezier summer where speeds peaked at 3.0 m/s (7 mph) in March and June. While July and August enjoyed moderate winds of 2.6 m/s (6 mph), September’s breeze brings a lull, inviting locals and visitors alike to relish the serene atmosphere. As the year progresses, the wind seems to play a harmonious tune, inviting a moment of reflection before the winter months approach, making it an ideal time to explore the vibrant streets of Samphanthawong without the distraction of stronger gusts.

Average September Wind Speed in Samphanthawong

The chart displays monthly wind speed patterns in Samphanthawong, 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: Samphanthawong September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Samphanthawong Compares to Other Months

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

In comparing the weather of September and January, we see a notable shift in temperature and precipitation patterns. September experiences a warmer climate, with average temperatures reaching around 29°C (84°F) and maximums of 36°C (97°F), accompanied by high humidity at 87%. Rainfall is significant during this month, with 245 mm (9.6 in) spread across 24 days. On the other hand, January offers a cooler respite, featuring lower temperatures that average 27°C (81°F) and maximums of 35°C (94°F). Precipitation is minimal in January, with only 29 mm (1.1 in) over just 3 days and a much drier humidity level of 59%. For more details on January weather, you can refer to Samphanthawong weather in January.

September presents a much warmer and wetter climate compared to February. With temperatures ranging from a minimum of 24°C (76°F) to a maximum of 36°C (97°F) and an average of 29°C (84°F), September also sees substantial rainfall, totaling 245 mm (9.6 in) over 24 days, contributing to high humidity levels at 87%. In contrast, February experiences milder temperatures, with a minimum of 19°C (66°F) and a maximum of 35°C (96°F), averaging 28°C (82°F). The precipitation is significantly lower at just 14 mm (0.5 in) over only 3 days, leading to a reduced humidity of 58%. For those interested in the specifics, here's more on Samphanthawong weather in February.

In comparing the weather between September and March, September tends to be hotter and more humid, with average temperatures hovering around 29°C (84°F) and a maximum reaching 36°C (97°F). It also sees significant rainfall, with 245 mm (9.6 in) spread over 24 days, leading to a high humidity level of 87%. In contrast, March experiences slightly cooler temperatures, with an average of 30°C (86°F) and a maximum of 37°C (99°F), but it is markedly drier, receiving only 44 mm (1.7 in) of precipitation over just 5 days and a much lower humidity of 61%. For detailed weather information in March, you can check Samphanthawong weather in March.

When comparing the weather in September and April, notable differences emerge in temperature and precipitation patterns. September experiences a wider temperature range, with average highs of 29°C (84°F) and maximums reaching 36°C (97°F), accompanied by high humidity levels of 87%. The month sees significant rainfall, totaling 245 mm (9.6 in) over 24 days, indicating a much wetter climate. In contrast, April boasts slightly warmer temperatures, with an average of 30°C (87°F) and highs soaring to 38°C (100°F). However, it has considerably less rainfall at 107 mm (4.2 in) across just 12 days and lower humidity levels at 70%. For those interested in more detailed information, you can refer to Samphanthawong weather in April.

September and May offer distinct weather experiences, with September generally being slightly cooler and more humid. In September, temperatures range from a minimum of 24°C (76°F) to a maximum of 36°C (97°F), accompanied by substantial rainfall of 245 mm (9.6 in) over 24 days and high humidity at 87%. In contrast, May boasts a warmer average temperature, with a minimum of 23°C (74°F) and highs reaching 40°C (103°F). The precipitation in May is lower at 142 mm (5.6 in) over 19 days, and humidity sits at 80%. For further insights on the May weather in the area, visit Samphanthawong weather in May.

In comparing the weather between September and June, we observe that both months are characterized by warm temperatures, but there are notable differences in precipitation and humidity. In September, the temperature ranges from a minimum of 24°C (76°F) to a maximum of 36°C (97°F), with an average of 29°C (84°F). However, this month experiences significantly higher rainfall, totaling 245 mm (9.6 in) over 24 days, and a humidity level of 87%. In contrast, June is slightly warmer with temperatures ranging from 25°C (78°F) to 37°C (99°F), averaging at 30°C (86°F). June has less precipitation, with 112 mm (4.4 in) over 22 days, and a relatively lower humidity level of 85%. For more detailed insights into the weather conditions in June, you can refer to this link: Samphanthawong weather in June.

In comparing the weather of September and July, both months experience high temperatures, though July's maximum reaches slightly higher at 37°C (99°F) compared to September's peak of 36°C (97°F). Minimum temperatures are similar, with July averaging a low of 25°C (78°F) and September at 24°C (76°F). Precipitation in September is significantly higher at 245 mm (9.6 in) over 24 days, whereas July sees 159 mm (6.2 in) across 26 days. Humidity levels are comparable, with September at 87% and July at 86%. For more information on July’s weather, check Samphanthawong weather in July.

In comparing the weather between September and August, both months experience warm temperatures, but September shows a slight decrease in the minimum and maximum temperatures compared to August. September has a minimum temperature of 24°C (76°F) and a maximum of 36°C (97°F), while August records a minimum of 25°C (77°F) and a maximum of 37°C (99°F). Additionally, September sees significantly more precipitation, totaling 245 mm (9.6 in) over 24 days, compared to August’s 163 mm (6.4 in) over 23 days. Humidity levels are also comparable, with September at 87% and August slightly higher at 88%. For more detailed information on August weather, you can refer to Samphanthawong weather in August.

In September, the weather is characterized by slightly higher temperatures, with a minimum of 24°C (76°F) and a maximum of 36°C (97°F). The month experiences considerable rainfall, totaling 245 mm (9.6 in) over 24 days, coupled with high humidity levels at 87%. In contrast, October sees a marginally lower maximum temperature of 35°C (96°F) and a very similar average temperature of 29°C (84°F). Precipitation increases slightly to 250 mm (9.9 in) but occurs over fewer days, just 21, while humidity decreases to 83%. For more detailed information, check out Samphanthawong weather in October.

In comparing the weather of September and November, September experiences warmer temperatures, with a minimum of 24°C (76°F) and an average of 29°C (84°F), peaking at a maximum of 36°C (97°F). This month is also characterized by significantly more precipitation, totaling 245 mm (9.6 in) over 24 days, along with higher humidity levels at 87%. In contrast, November offers a slight drop in temperatures, featuring a minimum of 21°C (70°F) and an average of 28°C (83°F), with a maximum of 35°C (95°F). Rainfall reduces drastically to 61 mm (2.4 in) across just 9 days, along with lower humidity at 78%. For more details about the weather conditions in November, you can visit Samphanthawong weather in November.

In September, the weather is typically hotter and more humid, with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 36°C (97°F) and an average of 29°C (84°F). The month also experiences considerable rainfall, totaling 245 mm (9.6 in) over 24 days, leading to a humidity level of 87%. In contrast, December offers a much milder climate with temperatures dipping to a minimum of 15°C (59°F) and peaking at 35°C (95°F), averaging around 27°C (80°F). Precipitation is significantly lower in December, with only 24 mm (0.9 in) over just 2 days and humidity decreasing to 70%. For more detailed information, you can refer to Samphanthawong weather in December.

Compare Samphanthawong's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Samphanthawong

September in Samphanthawong brings a noticeable shift in weather, characterized by heightened humidity and frequent rainfall. The average temperature remains warm, but the oppressive humidity often makes it feel hotter than it truly is. With substantial precipitation accumulating during this month, rain showers are a common sight, occurring on nearly every other day. This contrasts sharply with the drier months, making September a time when residents and visitors alike need to prepare for wet conditions. For a deeper dive into what to expect throughout the year, check the detailed information on Samphanthawong Climate.