September Weather in Phai Sali, Thailand

Last updated: August 27, 2025

In September, the average temperature in Phai Sali, Thailand is a warm 28°C (83°F), with a comfortable minimum of 24°C (75°F) and a maximum reaching up to 35°C (96°F). Expect significant precipitation of 293 mm (11.5 in) over approximately 25 days, contributing to an average humidity level of 88%. Whether you’re exploring or relaxing, be prepared for a tropical experience!

September Temperature in Phai Sali

In September in Phai Sali, the average temperature is 28°C (83°F). Maximums can reach 35°C (96°F) and minimums can be as low as 24°C (75°F). This mild and warm climate makes Phai Sali an ideal destination for travelers seeking pleasant weather.

September Weather in Phai Sali: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Phai Sali, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Phai Sali, 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 24°C (75°F).

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

September Precipitation in Phai Sali

In Phai Sali in September, the total precipitation amount reaches 293 mm (11.5 in) over the course of 25 days.

September Precipitation Trends in Phai Sali

The chart displays monthly precipitation patterns in Phai Sali, 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 Phai Sali, September typically receives around 293 mm (11.5 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 Phai Sali

In Phai Sali in September, humidity is 88%. With an average temperature of 28°C (83°F), this humidity feels like stepping into a warm, dense mist that clings to your skin, making outdoor activities noticeably more taxing and promoting a sense of sluggishness that can hinder your travel plans.

September Average Humidity in Phai Sali

This chart illustrates the average monthly humidity levels in Phai Sali, 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 Phai Sali 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 Phai Sali

In Phai Sali 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 Phai Sali.

Maximum UV Index Levels in Phai Sali for September

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

Data source: Phai Sali 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 Phai Sali Compares to Other Months

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

This table compares monthly weather conditions in Phai Sali, 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 (80°F)	9 mm (0.4 inches)	50%	very high
February Weather	27°C (82°F)	17 mm (0.7 inches)	47%	extreme
March Weather	30°C (86°F)	32 mm (1.3 inches)	41%	extreme
April Weather	30°C (87°F)	101 mm (4.0 inches)	51%	extreme
May Weather	30°C (86°F)	152 mm (6.0 inches)	76%	extreme
June Weather	30°C (86°F)	166 mm (6.5 inches)	83%	extreme
July Weather	29°C (84°F)	242 mm (9.5 inches)	80%	extreme
August Weather	28°C (84°F)	281 mm (11.1 inches)	85%	extreme
September Weather	28°C (83°F)	293 mm (11.5 inches)	88%	extreme
October Weather	28°C (82°F)	201 mm (7.9 inches)	79%	extreme
November Weather	27°C (81°F)	24 mm (0.9 inches)	68%	very high
December Weather	26°C (78°F)	10 mm (0.4 inches)	59%	very high