September Weather in Ban Karon, Thailand

Last updated: August 27, 2025

September in Ban Karon, Thailand offers a tropical experience marked by warm temperatures and significant rainfall. Daily highs hover around 29°C (85°F), with an average temperature of 28°C (82°F), while the nights provide a mild retreat at a minimum of 25°C (78°F). This month is notably wet, accumulating around 251 mm (9.9 in) of rain over approximately 24 days, leading to an humidity level of 84% that enhances the lush scenery of the region. Travelers can expect a blend of vibrant greenery and occasional tropical showers, making it a unique time to explore the area.

September Temperature in Ban Karon

In September, Ban Karon, Thailand, experiences warm and inviting temperatures, making it an ideal time for beach lovers and sun-seekers. The month typically sees a minimum temperature of 25°C (78°F), with an average hovering around 28°C (82°F) and a pleasant maximum of 29°C (85°F). This pattern reflects the consistency of the region's tropical climate, where the temperatures remain relatively stable throughout the year. As the rainy season begins to transition, visitors can enjoy warm days that are perfect for exploring the stunning coastline, while the cooler evenings provide a comfortable atmosphere for dining al fresco. Overall, September is a fantastic time to visit for those looking to embrace the warmth and beauty of southern Thailand.

September Weather in Ban Karon: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Ban Karon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ban Karon, 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).
JanFebMarAprMayJunJulAugSepOctNovDec818182828383838282818181
Data source: Temperature data for Ban Karon generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Ban Karon

September marks a significant shift in precipitation patterns in Ban Karon, Thailand, as the region experiences one of its wettest months. With 251 mm (9.9 in) of rainfall over 24 days, September stands out not just for its volume but also for the frequency of rain, hinting at the tail end of the monsoon season. This is notably higher than the preceding months, with rainfall steadily increasing from June's 202 mm (8.0 in) to August's 174 mm (6.8 in). As the rains continue into October and November, it becomes clear that this time of year is characterized by heavy precipitation, emphasizing the region's tropical climate and the lush greenery that follows. September thus serves as a pivotal month that ushers in both the full force of the rainy season and the natural beauty that accompanies it.

September Precipitation Trends in Ban Karon

The chart displays monthly precipitation patterns in Ban Karon, 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 Ban Karon, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1171541160225202169174251294279174
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ban Karon

In September, Ban Karon, Thailand experiences a notable rise in humidity, reaching 84%, which marks the peak for the year. This increase continues a trend seen over the prior months, where humidity consistently climbed from 72% in May to the higher ranges of the late summer and early autumn. Following August’s 82%, September's humidity creates a lush, tropical atmosphere, perfect for those who enjoy the vibrancy of the rainy season. As the year progresses towards October's slightly lower level of 83%, it’s clear that this coastal paradise envelops itself in a thick blanket of moisture, enhancing its natural beauty and rich biodiversity.

September Average Humidity in Ban Karon

This chart illustrates the average monthly humidity levels in Ban Karon, 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 Ban Karon is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%73%74%71%72%79%79%82%84%83%84%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ban Karon

Throughout the year, Ban Karon, Thailand, consistently experiences an extreme UV Index, with September reflecting this trend as well. With a UV Index of 14, this month maintains the high levels seen in the preceding summer months, making sun protection crucial for both residents and visitors. The burn time remains a brisk 10 minutes, emphasizing the need for vigilance against potential skin damage. As the seasons change, the UV Index slightly fluctuates but rarely dips below the extreme category, highlighting the importance of awareness for anyone enjoying the beautiful beaches. For detailed insights on UV levels, you can check Ban Karon UV Index. Stay safe under the tropical sun this September!

Maximum UV Index Levels in Ban Karon for September

The chart shows the monthly maximum UV Index (UVI) for Ban Karon 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 Ban Karon typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121415151413131414141211
Data source: Ban Karon 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 Ban Karon

September in Ban Karon, Thailand, offers a delightful balance of sun and relaxation, boasting 292 hours of sunshine. While this marks a slight dip compared to the balmy summer months of July and August, where sunshine peaked at 323 and 319 hours respectively, it remains a pleasant time to soak up some rays. The trend of gradually decreasing sunlight as the year progresses is clear, with October and November following closely behind at 293 and 287 hours. Despite the reduction, September continues to invite travelers to enjoy its warm beaches and vibrant sunsets, embodying the essence of a tropical paradise just before the cooler months begin to settle in.

Monthly Sunshine Duration in Ban Karon: September Highlighted

The September sunshine duration represents the total number of hours Ban Karon 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.
JanFebMarAprMayJunJulAugSepOctNovDec260h312h345h320h315h305h323h319h292h293h287h311h
Data source: Ban Karon September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ban Karon During September

As September rolls into Ban Karon, Thailand, the likelihood of enjoying sunny weather dips significantly, reaching a low of just 9%. This trend marks a stark contrast to the earlier months of the year, especially January, which boasts a 26% chance of sun, and February, peaking at 47%. The transition into late summer leads to increased cloud cover and higher rainfall, making September one of the less favorable months for sun-seekers. As the year progresses, October mirrors September's sunless fate, maintaining a 9% likelihood, while the weather gradually shifts to cooler, sunnier months in December. Overall, if you're dreaming of basking in sunlight during your visit in September, it might be best to consider alternatives or prepare for some rain.

Percentage of Sunny Days in September in Ban Karon

The chart illustrates the percentage of sunny days in Ban Karon 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 Ban Karon experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec26%47%42%21%16%21%19%12%9%9%3%38%
Data source: Ban Karon September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ban Karon in September

In Ban Karon, Thailand, September bathes the island in a delightful 12 hours of daylight, continuing the trend established during the summer months. This rich, consistent daylight allows both locals and visitors to enjoy the vibrant beaches and lush scenery. As the year progresses from January to August, daylight hours gradually extended, notably peaking at 12 hours from March through September. However, as October approaches, the days begin to contract again, tapering off to 11 hours by the end of the year. This rhythm of daylight not only highlights the enchanting beauty of the tropical landscape but also sets the stage for memorable adventures as the seasons transition.

Average Daylight Hours in Ban Karon for September

The chart illustrates the variation in daylight duration in Ban Karon throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 42m11h 51m12h 4m12h 17m12h 28m12h 33m12h 30m12h 21m12h 8m11h 55m11h 45m11h 39m
Data source: Ban Karon daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Ban Karon

As the September winds sweep through Ban Karon, Thailand, they offer a serene yet invigorating atmosphere with an average speed of 4.3 m/s (10 mph). This gentle breeze is a noticeable shift from the summer months, where winds peaked in July and August, averaging 5.3 m/s and 5.0 m/s, respectively. September's winds are lighter than the height of summer but still provide a refreshing respite from the tropical heat. This breeze marks the transition toward the slightly choppier October winds, which rise to 4.7 m/s. Overall, September embodies a harmonious blend of tranquility and mild vibrancy, making it a delightful time for visitors to enjoy the coastal beauty of Ban Karon.

Average September Wind Speed in Ban Karon

The chart displays monthly wind speed patterns in Ban Karon, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.35.54.14.03.94.55.35.04.3 m/s4.74.25.4
Data source: Ban Karon September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Ban Karon Compares to Other Months

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

In September, the weather tends to be quite humid and rainy, with temperatures ranging from a minimum of 25°C (78°F) to a maximum of 29°C (85°F) and an average of 28°C (82°F). The month sees substantial precipitation, averaging 251 mm (9.9 in) over 24 days, resulting in a humidity level of 84%.

In contrast, January offers slightly lower humidity at 76% and milder rainfall, with only 117 mm (4.6 in) of precipitation over 11 days. The temperature in January ranges from a minimum of 25°C (77°F) to a maximum of 30°C (86°F), with an average of 27°C (81°F). This makes January a more pleasant month for outdoor activities. For more details, check out Ban Karon weather in January.

In September, the weather is characterized by higher humidity at 84% and frequent rainfall, with an average precipitation of 251 mm over 24 days. Temperatures range from a minimum of 25°C (78°F) to a maximum of 29°C (85°F), making it relatively warm but quite wet. In contrast, February offers a drier and more comfortable climate, with lower humidity levels at 73% and minimal rainfall of just 15 mm over 4 days. The temperatures in February are slightly higher, ranging from 25°C (78°F) to a maximum of 30°C (87°F), resulting in a pleasant outdoor experience. For more detailed information, check out Ban Karon weather in February.

In September, the weather is characterized by a warm tropical climate with average temperatures ranging from 25°C (78°F) to a maximum of 29°C (85°F). However, it is also the wettest month, experiencing 251 mm (9.9 in) of rainfall spread over 24 days and high humidity at 84%. In contrast, March offers slightly higher temperatures, with averages between 26°C (78°F) and 30°C (87°F), but with far less precipitation, totaling only 41 mm (1.6 in) over just 9 days and a decreased humidity level of 74%. For those interested in exploring the weather specifics, a detailed overview can be found here: Ban Karon weather in March.

In September, the weather tends to be slightly cooler with a maximum temperature of 29°C (85°F) compared to April's peak of 30°C (87°F). Both months have the same average temperature of 28°C (82°F), but September experiences more precipitation, totaling 251 mm (9.9 in) over 24 days, while April has only 160 mm (6.3 in) over 22 days. Additionally, September's humidity is higher at 84%, compared to April's 71%, making September feel more oppressive despite similar temperatures. For a more detailed look, check out Ban Karon weather in April.

In comparing the weather of September and May, both months share a similar average temperature of around 28°C (82°F), but September tends to be slightly cooler, with a maximum of 29°C (85°F) compared to May’s peak of 30°C (86°F). Notably, September experiences higher rainfall, with 251 mm (9.9 in) occurring over 24 days, while May has a lower precipitation level of 225 mm (8.9 in) across 26 days. Humidity also differs between the two months, with September maintaining a higher humidity level at 84%, compared to May’s more comfortable 72%. For reference, you can find more specifics about the conditions in May here: Ban Karon weather in May.

In comparing the weather of September and June, both months experience similar temperature ranges, with minimums around 25°C (78°F) and average highs close to 28°C (82°F). However, June tends to be slightly drier, receiving 202 mm (8.0 in) of precipitation over 23 days, compared to September's heftier 251 mm (9.9 in) over 24 days. Additionally, June's humidity is somewhat lower at 79%, while September sees a higher average of 84%. For a more detailed look at June's conditions, check out Ban Karon weather in June.

In comparing the weather between September and July, both months experience quite similar average temperatures, hovering around 28°C (82°F), with maximum temperatures consistently reaching 29°C (85°F). However, September tends to be slightly cooler at night with a minimum temperature of 25°C (78°F), compared to July's 26°C (79°F). A significant difference lies in precipitation, as September sees much higher rainfall at 251 mm (9.9 in) over 24 days, while July has 169 mm (6.7 in) spread over 17 days, indicating that September is notably wetter. Additionally, September's humidity level is higher at 84%, compared to July's 79%, contributing to a more tropical feel during the former month. For a closer look at the weather patterns in July, you can visit Ban Karon weather in July.

In August, temperatures typically range from a minimum of 25°C (77°F) to a maximum of 30°C (86°F), with an average of 28°C (82°F). The month sees less precipitation than September, with 174 mm (6.8 in) of rain over 20 days and a humidity level of 82%. In contrast, September remains warm with similar minimum and average temperatures but experiences a slightly cooler maximum of 29°C (85°F). However, it is significantly wetter, receiving 251 mm (9.9 in) of rain over 24 days, leading to a higher humidity level of 84%. For those looking for more details, you can visit Ban Karon weather in August.

In September, the weather averages around 28°C (82°F) with daytime highs reaching up to 29°C (85°F), while humidity remains high at 84%. The month is quite rainy, with 251 mm (9.9 in) of precipitation spread over 24 days. In contrast, October sees a slight drop in average temperature to 27°C (81°F) but maintains a minimum of 25°C (77°F) and similarly warm highs. Rainfall increases to 294 mm (11.6 in), experienced over 26 days, and humidity remains relatively stable at 83%. For more detailed information about weather conditions in October, you can refer to Ban Karon weather in October.

In September, temperatures range from a minimum of 25°C (78°F) to a maximum of 29°C (85°F), with an average of 28°C (82°F). The month is characterized by high rainfall, with 251 mm (9.9 in) recorded over 24 days, and humidity levels are quite high at 84%.

Conversely, November features slightly warmer temperatures, with a minimum of 25°C (76°F) and a maximum of 30°C (87°F), averaging 27°C (81°F). Rainfall increases to 279 mm (11.0 in) across 25 days, maintaining the same humidity level of 84%. This suggests that while both months have comparable humidity levels, November tends to be a bit wetter and warmer overall. For more detailed information, check Ban Karon weather in November.

In September, the weather tends to be warmer overall, with average temperatures reaching up to 28°C (82°F) and a maximum of 29°C (85°F). This month experiences significant rainfall, averaging 251 mm (9.9 in) over 24 days, contributing to high humidity levels of 84%. Conversely, December offers slightly cooler temperatures, with a minimum of 25°C (77°F) and an average of 27°C (81°F), while the maximum can reach 30°C (87°F). It also sees reduced precipitation, totaling only 174 mm (6.9 in) over just 14 days, maintaining the same humidity level of 84%. For a detailed look at weather conditions in December, visit Ban Karon weather in December.

Compare Ban Karon's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Ban Karon

September in Ban Karon presents a unique climate experience compared to other months, characterized by a blend of warm temperatures and significant rainfall. With average temperatures hovering around a comfortable 28°C, visitors can expect a pleasant atmosphere, yet the high humidity of 84% and over 24 rainy days may lead to a more tropical sensation. This month typically sees the peak of the rainy season, resulting in increased precipitation that transforms the landscape into a lush paradise. Travelers should be prepared for sudden showers, which, coupled with the warm weather, can create an inviting yet dynamic environment. For more detailed insights, explore the full Ban Karon Climate.