September Weather in Phanom, Thailand

Last updated: August 27, 2025

In Phanom, Thailand, the average temperature in September hovers around 26°C (79°F), with minimums dipping to 22°C (72°F) and highs soaring to 34°C (93°F). Expect notable precipitation, averaging 260 mm (10.2 in) over 25 days, and prepare for a high humidity level of 87%. Whether you're sweating under the sun or dodging the rain, be ready for a tropical experience!

September Temperature in Phanom

In September, in Phanom, the average temperature is 26°C (79°F), with maximums reaching 34°C (93°F) and minimums dropping as low as 22°C (72°F). This pleasant climate makes Phanom an ideal destination for travelers looking to enjoy warm weather and outdoor activities.

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

The chart illustrates September temperature patterns in Phanom, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Phanom, September typically has an average temperature of 26°C (79°F), with highs reaching up to 34°C (93°F) and lows dropping to around 22°C (72°F).

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

September Precipitation in Phanom

In Phanom in September, the total precipitation amount is 260 mm (10.2 in) spread over a period of 25 days.

September Precipitation Trends in Phanom

The chart displays monthly precipitation patterns in Phanom, 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 Phanom, September typically receives around 260 mm (10.2 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 Phanom

In Phanom in September, humidity is 87%. With an average temperature of 26°C (79°F), this humidity feels like walking through a warm, thick blanket, making it essential to stay hydrated and take frequent breaks while exploring.

September Average Humidity in Phanom

This chart illustrates the average monthly humidity levels in Phanom, 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 Phanom is approximately 87%, 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 Phanom

In Phanom 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 Phanom, you can check here.

Maximum UV Index Levels in Phanom for September

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

Data source: Phanom 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 Phanom Compares to Other Months

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

This table compares monthly weather conditions in Phanom, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (79°F)	97 mm (3.8 inches)	72%	extreme
February Weather	27°C (80°F)	25 mm (1.0 inches)	68%	extreme
March Weather	28°C (83°F)	62 mm (2.5 inches)	68%	extreme
April Weather	28°C (82°F)	214 mm (8.4 inches)	69%	extreme
May Weather	27°C (81°F)	254 mm (10.0 inches)	77%	extreme
June Weather	27°C (80°F)	227 mm (8.9 inches)	86%	extreme
July Weather	27°C (80°F)	203 mm (8.0 inches)	86%	extreme
August Weather	26°C (80°F)	199 mm (7.8 inches)	88%	extreme
September Weather	26°C (79°F)	260 mm (10.2 inches)	87%	extreme
October Weather	26°C (79°F)	316 mm (12.4 inches)	86%	extreme
November Weather	26°C (79°F)	238 mm (9.4 inches)	87%	extreme
December Weather	25°C (78°F)	130 mm (5.1 inches)	83%	extreme