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September Weather in Si Khoraphum, Thailand

Last updated: August 27, 2025

In September, the average temperature in Si Khoraphum, Thailand reaches a warm 28°C (82°F). Temperatures can dip to a comfortable 23°C (74°F) at their lowest, while peaking at a steamy 35°C (95°F). Be prepared for the likelihood of rain, with an average precipitation of 297 mm (11.7 in) over 24 days. With an average humidity of 89%, you might want to keep cool and hydrated during your stay!

September Temperature in Si Khoraphum

In September, in Si Khoraphum, the average temperature is 28°C (82°F). Maximums can reach 35°C (95°F), and minimums can be as low as 23°C (74°F). This makes Si Khoraphum a warm and pleasant destination for travelers looking to enjoy a sunny getaway.

September Weather in Si Khoraphum: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Si Khoraphum, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Si Khoraphum, September typically has an average temperature of 28°C (82°F), with highs reaching up to 35°C (95°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec777884858585848382817976
Data source: Temperature data for Si Khoraphum 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 Si Khoraphum

In Si Khoraphum in September, the total precipitation amount is 297 mm (11.7 in) spread over 24 days.

September Precipitation Trends in Si Khoraphum

The chart displays monthly precipitation patterns in Si Khoraphum, 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 Si Khoraphum, September typically receives around 297 mm (11.7 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec51625691471242152192971763911
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Si Khoraphum

In Si Khoraphum in September humidity is 89%. With an average temperature of 28°C (82°F), this humidity feels like a thick, warm blanket enveloping you, making every step feel slightly heavier and the air dense, which can be quite stifling for traveling.

September Average Humidity in Si Khoraphum

This chart illustrates the average monthly humidity levels in Si Khoraphum, 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 Si Khoraphum is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec56%50%41%44%71%84%87%90%89%83%74%68%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Si Khoraphum

In Si Khoraphum 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 Si Khoraphum, you can check here.

Maximum UV Index Levels in Si Khoraphum for September

The chart shows the monthly maximum UV Index (UVI) for Si Khoraphum 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 Si Khoraphum typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10131414151314141413109
Data source: Si Khoraphum 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 Si Khoraphum Compares to Other Months

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

This table compares monthly weather conditions in Si Khoraphum, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)5 mm (0.2 inches)56%very high
February Weather26°C (79°F)16 mm (0.6 inches)50%extreme
March Weather29°C (85°F)25 mm (1.0 inches)41%extreme
April Weather29°C (85°F)69 mm (2.7 inches)44%extreme
May Weather29°C (85°F)147 mm (5.8 inches)71%extreme
June Weather29°C (85°F)124 mm (4.9 inches)83%extreme
July Weather29°C (84°F)215 mm (8.5 inches)87%extreme
August Weather28°C (83°F)219 mm (8.6 inches)90%extreme
September Weather28°C (82°F)297 mm (11.7 inches)89%extreme
October Weather27°C (81°F)176 mm (6.9 inches)83%extreme
November Weather26°C (79°F)39 mm (1.5 inches)74%very high
December Weather24°C (76°F)11 mm (0.4 inches)68%very high

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