September Weather in Phachi, Thailand

Last updated: August 27, 2025

In Phachi, Thailand, the average temperature in September reaches a warm 29°C (84°F). With a minimum of 24°C (76°F) and a maximum of 36°C (97°F), the weather can be quite varied. Expect significant precipitation, averaging 268 mm (10.6 in) over 25 days, paired with an average humidity of 88%. Embrace the tropical vibes, but don't forget your umbrella!

September Temperature in Phachi

In September in Phachi, the average temperature is 29°C (84°F), with maximums reaching up to 36°C (97°F) and minimums dipping as low as 24°C (76°F). This warm climate makes Phachi an ideal destination for those seeking a sunny getaway.

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

The chart illustrates September temperature patterns in Phachi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Phachi, September typically has an average temperature of 29°C (84°F), with highs reaching up to 36°C (97°F) and lows dropping to around 24°C (76°F).

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

September Precipitation in Phachi

In Phachi in September, the precipitation amount is 268 mm (10.6 in) distributed over 25 days.

September Precipitation Trends in Phachi

The chart displays monthly precipitation patterns in Phachi, 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 Phachi, September typically receives around 268 mm (10.6 inches) of precipitation spread over approximately 25 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 Phachi

In Phachi in September, humidity is 88%. With an average temperature of 29°C (84°F), this humidity feels like walking through a warm, wet blanket, making travel uncomfortable and draining as the air clings heavily to your skin.

September Average Humidity in Phachi

This chart illustrates the average monthly humidity levels in Phachi, 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 Phachi is approximately 88%, 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 Phachi

In Phachi 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 Phachi.

Maximum UV Index Levels in Phachi for September

The chart shows the monthly maximum UV Index (UVI) for Phachi 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 Phachi typically reaches 13, which falls under the extreme exposure category.

Data source: Phachi 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 Phachi Compares to Other Months

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

This table compares monthly weather conditions in Phachi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (82°F)	13 mm (0.5 inches)	50%	very high
February Weather	28°C (83°F)	16 mm (0.6 inches)	47%	extreme
March Weather	30°C (86°F)	40 mm (1.6 inches)	41%	extreme
April Weather	30°C (87°F)	93 mm (3.7 inches)	51%	extreme
May Weather	30°C (87°F)	139 mm (5.5 inches)	76%	extreme
June Weather	30°C (86°F)	162 mm (6.4 inches)	83%	extreme
July Weather	29°C (85°F)	216 mm (8.5 inches)	80%	extreme
August Weather	29°C (84°F)	230 mm (9.0 inches)	85%	extreme
September Weather	29°C (84°F)	268 mm (10.6 inches)	88%	extreme
October Weather	28°C (83°F)	181 mm (7.1 inches)	79%	extreme
November Weather	28°C (83°F)	51 mm (2.0 inches)	68%	very high
December Weather	27°C (80°F)	13 mm (0.5 inches)	59%	very high