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September Weather in Wiang Kao, Thailand

Last updated: August 27, 2025

In Wiang Kao, Thailand, the average temperature in September hovers around 28°C (83°F), with a minimum of 23°C (73°F) and a maximum reaching up to 35°C (95°F). Expect heavy precipitation totaling 253 mm (10.0 in) over 23 days, along with an average humidity of 86%. Prepare for a warm and wet month!

September Temperature in Wiang Kao

In September in Wiang Kao, the average temperature is 28°C (83°F), with maximums reaching 35°C (95°F) and minimums dropping to as low as 23°C (73°F). This warm climate makes Wiang Kao an ideal destination for sun-seekers and outdoor enthusiasts.

September Weather in Wiang Kao: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Wiang Kao, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wiang Kao, September typically has an average temperature of 28°C (83°F), with highs reaching up to 35°C (95°F) and lows dropping to around 23°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec757783858585848382817873
Data source: Temperature data for Wiang Kao 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 Wiang Kao

In Wiang Kao in September, the precipitation amount is 253 mm (10.0 in) over a span of 23 days.

September Precipitation Trends in Wiang Kao

The chart displays monthly precipitation patterns in Wiang Kao, 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 Wiang Kao, September typically receives around 253 mm (10.0 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec572569153141207198253158268
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Wiang Kao

In Wiang Kao 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 Wiang Kao

This chart illustrates the average monthly humidity levels in Wiang Kao, 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 Wiang Kao is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec52%49%39%40%69%81%83%87%86%74%63%57%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Wiang Kao

In Wiang Kao 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 Wiang Kao, you can check here.

Maximum UV Index Levels in Wiang Kao for September

The chart shows the monthly maximum UV Index (UVI) for Wiang Kao 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 Wiang Kao typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121314141315141412109
Data source: Wiang Kao 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 Wiang Kao Compares to Other Months

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

This table compares monthly weather conditions in Wiang Kao, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)5 mm (0.2 inches)52%very high
February Weather25°C (78°F)7 mm (0.3 inches)49%extreme
March Weather28°C (83°F)25 mm (1.0 inches)39%extreme
April Weather29°C (85°F)69 mm (2.7 inches)40%extreme
May Weather29°C (85°F)153 mm (6.0 inches)69%extreme
June Weather29°C (85°F)141 mm (5.5 inches)81%extreme
July Weather29°C (85°F)207 mm (8.1 inches)83%extreme
August Weather28°C (83°F)198 mm (7.8 inches)87%extreme
September Weather28°C (83°F)253 mm (10.0 inches)86%extreme
October Weather27°C (81°F)158 mm (6.2 inches)74%extreme
November Weather26°C (78°F)26 mm (1.0 inches)63%very high
December Weather23°C (74°F)8 mm (0.3 inches)57%very high

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