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September Weather in Changhan, Thailand

Last updated: August 27, 2025

In Changhan, Thailand, the average temperature in September is a warm 28°C (83°F). Expect a comfortable minimum of 23°C (74°F) and a hot maximum reaching 35°C (96°F). However, be prepared for 300 mm (11.8 in) of precipitation spread over 24 days, contributing to an average humidity of 86%.

September Temperature in Changhan

In September in Changhan, the average temperature is 28°C (83°F). Maximum temperatures can reach 35°C (96°F), while the minimum can dip down to 23°C (74°F). This pleasant climate makes it an ideal time for outdoor activities and exploration.

September Weather in Changhan: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Changhan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Changhan, 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 (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec767884858585848383817975
Data source: Temperature data for Changhan 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 Changhan

In Changhan in September, the precipitation amount is 300 mm (11.8 in) distributed over a span of 24 days.

September Precipitation Trends in Changhan

The chart displays monthly precipitation patterns in Changhan, 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 Changhan, September typically receives around 300 mm (11.8 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec493968175148266225300168277
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Changhan

In Changhan 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 Changhan

This chart illustrates the average monthly humidity levels in Changhan, 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 Changhan 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 Changhan

In Changhan in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Changhan.

Maximum UV Index Levels in Changhan for September

The chart shows the monthly maximum UV Index (UVI) for Changhan 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 Changhan typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9121414141314141312109
Data source: Changhan 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 Changhan Compares to Other Months

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

This table compares monthly weather conditions in Changhan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)4 mm (0.2 inches)59%very high
February Weather26°C (78°F)9 mm (0.3 inches)54%extreme
March Weather29°C (84°F)39 mm (1.5 inches)45%extreme
April Weather30°C (85°F)68 mm (2.7 inches)40%extreme
May Weather30°C (86°F)175 mm (6.9 inches)65%extreme
June Weather30°C (85°F)148 mm (5.8 inches)82%extreme
July Weather29°C (84°F)266 mm (10.5 inches)90%extreme
August Weather28°C (84°F)225 mm (8.9 inches)92%extreme
September Weather28°C (83°F)300 mm (11.8 inches)86%extreme
October Weather27°C (81°F)168 mm (6.6 inches)80%extreme
November Weather26°C (79°F)27 mm (1.1 inches)72%very high
December Weather24°C (76°F)7 mm (0.3 inches)66%very high

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