September Weather in Wiang Chiang Rung, Thailand

Last updated: August 27, 2025

The average temperature in Wiang Chiang Rung, Thailand during September is a warm 28°C (82°F). Expect temperatures to range from a comfortable 21°C (69°F) at minimum to a sizzling 36°C (97°F) at maximum. Be prepared for notable precipitation of 229 mm (9.0 in) over approximately 24 days, accompanied by high humidity levels averaging 83%.

September Temperature in Wiang Chiang Rung

In September in Wiang Chiang Rung, the average temperature is 28°C (82°F), with a maximum that can reach 36°C (97°F) and a minimum that can drop to as low as 21°C (69°F). This warm climate makes Wiang Chiang Rung an ideal destination for travelers seeking pleasant weather and outdoor activities during this time of year.

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

The chart illustrates September temperature patterns in Wiang Chiang Rung, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wiang Chiang Rung, September typically has an average temperature of 28°C (82°F), with highs reaching up to 36°C (97°F) and lows dropping to around 21°C (69°F).

Data source: Temperature data for Wiang Chiang Rung generated using information from the Copernicus Climate Change Service.

September Precipitation in Wiang Chiang Rung

In Wiang Chiang Rung in September, the precipitation amount is 229 mm (9.0 in) spread over 24 days.

September Precipitation Trends in Wiang Chiang Rung

The chart displays monthly precipitation patterns in Wiang Chiang Rung, 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 Chiang Rung, September typically receives around 229 mm (9.0 inches) of precipitation spread over approximately 24 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Wiang Chiang Rung

In Wiang Chiang Rung in September humidity is 83%. With an average temperature of 28°C (82°F), this humidity feels like stepping into a warm, thick blanket, making travel languid and drenched in sweat.

September Average Humidity in Wiang Chiang Rung

This chart illustrates the average monthly humidity levels in Wiang Chiang Rung, 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 Chiang Rung is approximately 83%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Wiang Chiang Rung

In Wiang Chiang Rung 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 Chiang Rung, you can check here.

Maximum UV Index Levels in Wiang Chiang Rung for September

The chart shows the monthly maximum UV Index (UVI) for Wiang Chiang Rung 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 Chiang Rung typically reaches 14, which falls under the extreme exposure category.

Data source: Wiang Chiang Rung 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 Chiang Rung Compares to Other Months

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

This table compares monthly weather conditions in Wiang Chiang Rung, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	21°C (70°F)	32 mm (1.3 inches)	51%	very high
February Weather	23°C (73°F)	13 mm (0.5 inches)	46%	very high
March Weather	27°C (80°F)	8 mm (0.3 inches)	38%	extreme
April Weather	28°C (83°F)	119 mm (4.7 inches)	36%	extreme
May Weather	29°C (85°F)	127 mm (5.0 inches)	63%	extreme
June Weather	29°C (84°F)	203 mm (8.0 inches)	81%	extreme
July Weather	28°C (83°F)	278 mm (10.9 inches)	83%	extreme
August Weather	28°C (82°F)	354 mm (13.9 inches)	91%	extreme
September Weather	28°C (82°F)	229 mm (9.0 inches)	83%	extreme
October Weather	26°C (80°F)	146 mm (5.8 inches)	67%	extreme
November Weather	24°C (76°F)	31 mm (1.2 inches)	60%	very high
December Weather	21°C (70°F)	23 mm (0.9 inches)	56%	very high