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September Weather in Ku Kaeo, Thailand

Last updated: August 27, 2025

In September, the average temperature in Ku Kaeo, Thailand reaches a warm 28°C (83°F). Expect minimums of 23°C (73°F) and maximums up to 35°C (96°F). During this month, precipitation amounts to a substantial 218 mm (8.6 in) over approximately 23 days, accompanied by an average humidity of 86%.

September Temperature in Ku Kaeo

In September in Ku Kaeo, the average temperature is 28°C (83°F), with a maximum of 35°C (96°F) and a minimum as low as 23°C (73°F), making it a perfect time for beach activities and outdoor exploration.

September Weather in Ku Kaeo: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Ku Kaeo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ku Kaeo, September typically has an average temperature of 28°C (83°F), with highs reaching up to 35°C (96°F) and lows dropping to around 23°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec757783858585848383817974
Data source: Temperature data for Ku Kaeo 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 Ku Kaeo

In Ku Kaeo in September, the precipitation amount is 218 mm (8.6 in) during 23 days, indicating a relatively wet period for that time of year.

September Precipitation Trends in Ku Kaeo

The chart displays monthly precipitation patterns in Ku Kaeo, 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 Ku Kaeo, September typically receives around 218 mm (8.6 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec4103665171161296277218111126
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ku Kaeo

In Ku Kaeo in September humidity is 86%. With an average temperature of 28°C (83°F), this humidity feels like a heavy blanket enveloping you, making every step feel sluggish and every breath a reminder of the tropical heat, which can be quite challenging for traveling.

September Average Humidity in Ku Kaeo

This chart illustrates the average monthly humidity levels in Ku Kaeo, 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 Ku Kaeo is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec59%54%45%40%65%82%90%92%86%80%72%67%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ku Kaeo

In Ku Kaeo in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Ku Kaeo, you can check here.

Maximum UV Index Levels in Ku Kaeo for September

The chart shows the monthly maximum UV Index (UVI) for Ku Kaeo 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 Ku Kaeo typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9121414141315141412109
Data source: Ku Kaeo 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.

How September Weather in Ku Kaeo Compares to Other Months

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

This table compares monthly weather conditions in Ku Kaeo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)4 mm (0.2 inches)59%very high
February Weather25°C (77°F)10 mm (0.4 inches)54%extreme
March Weather28°C (83°F)36 mm (1.4 inches)45%extreme
April Weather30°C (86°F)65 mm (2.5 inches)40%extreme
May Weather30°C (86°F)170 mm (6.7 inches)65%extreme
June Weather29°C (85°F)161 mm (6.3 inches)82%extreme
July Weather29°C (84°F)296 mm (11.6 inches)90%extreme
August Weather28°C (83°F)277 mm (10.9 inches)92%extreme
September Weather28°C (83°F)218 mm (8.6 inches)86%extreme
October Weather27°C (81°F)111 mm (4.4 inches)80%extreme
November Weather26°C (79°F)12 mm (0.5 inches)72%very high
December Weather23°C (74°F)6 mm (0.2 inches)66%very high

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