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September Weather in Chiang Kham, Thailand

Last updated: August 27, 2025

In September, the average temperature in Chiang Kham, Thailand hovers around 27°C (81°F), with minimums dipping to 21°C (70°F) and soaring to maximums of 35°C (96°F). Expect a fair share of rain with 235 mm (9.3 in) of precipitation spread over 26 days, resulting in a high average humidity of 85%. Prepare for a warm and humid experience full of tropical charm!

September Temperature in Chiang Kham

In September in Chiang Kham, the average temperature is 27°C (81°F). Maximums can reach 35°C (96°F), while minimums can drop to 21°C (70°F). It's a great time to visit for warm weather and outdoor activities!

September Weather in Chiang Kham: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Chiang Kham, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chiang Kham, September typically has an average temperature of 27°C (81°F), with highs reaching up to 35°C (96°F) and lows dropping to around 21°C (70°F).
JanFebMarAprMayJunJulAugSepOctNovDec717480828483828181797670
Data source: Temperature data for Chiang Kham 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 Chiang Kham

In Chiang Kham in September, the total precipitation amount is 235 mm (9.3 in) spread across 26 days.

September Precipitation Trends in Chiang Kham

The chart displays monthly precipitation patterns in Chiang Kham, 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 Chiang Kham, September typically receives around 235 mm (9.3 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec25106921282203233762351522219
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Chiang Kham

In Chiang Kham in September humidity is 85%. With an average temperature of 27°C (81°F), this humidity feels like a thick blanket enveloping you, making every step feel heavier as sweat clings to your skin and the air feels almost tangible, which can be quite challenging for traveling.

September Average Humidity in Chiang Kham

This chart illustrates the average monthly humidity levels in Chiang Kham, 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 Chiang Kham is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec57%53%45%39%66%79%90%92%85%72%64%60%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Chiang Kham

In Chiang Kham 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 Chiang Kham, you can check here.

Maximum UV Index Levels in Chiang Kham for September

The chart shows the monthly maximum UV Index (UVI) for Chiang Kham 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 Chiang Kham typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9101313141314141413108
Data source: Chiang Kham 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 Chiang Kham Compares to Other Months

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

This table compares monthly weather conditions in Chiang Kham, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather21°C (71°F)25 mm (1.0 inches)57%very high
February Weather23°C (74°F)9 mm (0.4 inches)53%very high
March Weather27°C (81°F)6 mm (0.2 inches)45%extreme
April Weather28°C (83°F)92 mm (3.6 inches)39%extreme
May Weather29°C (84°F)128 mm (5.0 inches)66%extreme
June Weather28°C (83°F)220 mm (8.7 inches)79%extreme
July Weather28°C (82°F)323 mm (12.7 inches)90%extreme
August Weather27°C (81°F)376 mm (14.8 inches)92%extreme
September Weather27°C (81°F)235 mm (9.3 inches)85%extreme
October Weather26°C (79°F)152 mm (6.0 inches)72%extreme
November Weather24°C (76°F)22 mm (0.8 inches)64%very high
December Weather21°C (70°F)19 mm (0.7 inches)60%very high

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