September Weather in Phetchabun, Thailand

Last updated: August 27, 2025

In September, the average temperature in Phetchabun, Thailand is a warm 26°C (80°F), perfect for outdoor activities. Expect comfortable evenings with minimums around 21°C (71°F), while daytime highs can reach up to 34°C (94°F). However, be prepared for some rain, as precipitation totals about 230 mm (9.1 in) over 25 days. With an average humidity level of 86%, the air can feel quite sticky, adding to the tropical atmosphere of the region.

September Temperature in Phetchabun

In September in Phetchabun, the average temperature is 26°C (80°F). Maximums can reach 34°C (94°F) while minimums can drop to 21°C (71°F). This pleasant climate makes it an ideal destination for travelers looking to enjoy warm and comfortable weather.

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

The chart illustrates September temperature patterns in Phetchabun, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Phetchabun, September typically has an average temperature of 26°C (80°F), with highs reaching up to 34°C (94°F) and lows dropping to around 21°C (71°F).

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

September Precipitation in Phetchabun

In Phetchabun in September, the total precipitation amount reaches 230 mm (9.1 in) over the course of 25 days.

September Precipitation Trends in Phetchabun

The chart displays monthly precipitation patterns in Phetchabun, 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 Phetchabun, September typically receives around 230 mm (9.1 inches) of precipitation spread over approximately 25 days.

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

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Millimeters (mm) Inches (in)

September Humidity in Phetchabun

In Phetchabun in September humidity is 86%. With an average temperature of 26°C (80°F), this humidity feels like a thick, warm blanket enveloping you, making travel feel exhausting and sticky, as sweat clings to your skin and every step becomes a laborious task in the sweltering conditions.

September Average Humidity in Phetchabun

This chart illustrates the average monthly humidity levels in Phetchabun, 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 Phetchabun is approximately 86%, 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 Phetchabun

In Phetchabun 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 Phetchabun, you can check here.

Maximum UV Index Levels in Phetchabun for September

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

Data source: Phetchabun 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 Phetchabun Compares to Other Months

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

This table compares monthly weather conditions in Phetchabun, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (75°F)	7 mm (0.3 inches)	52%	very high
February Weather	24°C (76°F)	13 mm (0.5 inches)	49%	extreme
March Weather	27°C (80°F)	18 mm (0.7 inches)	39%	extreme
April Weather	27°C (82°F)	74 mm (2.9 inches)	40%	extreme
May Weather	28°C (82°F)	144 mm (5.7 inches)	69%	extreme
June Weather	27°C (81°F)	215 mm (8.5 inches)	81%	extreme
July Weather	26°C (80°F)	252 mm (9.9 inches)	83%	extreme
August Weather	26°C (79°F)	270 mm (10.6 inches)	87%	extreme
September Weather	26°C (80°F)	230 mm (9.1 inches)	86%	extreme
October Weather	26°C (79°F)	151 mm (5.9 inches)	74%	extreme
November Weather	25°C (78°F)	16 mm (0.6 inches)	63%	very high
December Weather	23°C (74°F)	7 mm (0.3 inches)	57%	very high