September Weather in Ban Rai, Thailand

Last updated: August 27, 2025

In September, the average temperature in Ban Rai, Thailand hovers around 27°C (81°F), with fluctuations between a minimum of 23°C (73°F) and a maximum of 35°C (95°F). Expect 249 mm (9.8 in) of precipitation spread across 24 days, contributing to a high average humidity of 86%. Stay prepared for a warm and wet month ahead!

September Temperature in Ban Rai

In September in Ban Rai, the average temperature is 27°C (81°F), with a maximum that can reach 35°C (95°F) and a minimum that can drop to 23°C (73°F). This pleasant weather makes it an ideal time for outdoor activities and sightseeing.

September Weather in Ban Rai: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Ban Rai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ban Rai, September typically has an average temperature of 27°C (81°F), with highs reaching up to 35°C (95°F) and lows dropping to around 23°C (73°F).

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

September Precipitation in Ban Rai

In Ban Rai in September, the precipitation amount is 249 mm (9.8 in) spread over 24 days.

September Precipitation Trends in Ban Rai

The chart displays monthly precipitation patterns in Ban Rai, 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 Ban Rai, September typically receives around 249 mm (9.8 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 Ban Rai

In Ban Rai in September, humidity is 86%. With an average temperature of 27°C (81°F), this humidity feels like walking through a steamy blanket, making traveling feel heavy and exhausting as each step absorbs the warm, moist air.

September Average Humidity in Ban Rai

This chart illustrates the average monthly humidity levels in Ban Rai, 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 Ban Rai 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 Ban Rai

In Ban Rai 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 Ban Rai, you can check here.

Maximum UV Index Levels in Ban Rai for September

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

Data source: Ban Rai 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 Ban Rai Compares to Other Months

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

This table compares monthly weather conditions in Ban Rai, 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)	21 mm (0.8 inches)	53%	very high
February Weather	25°C (78°F)	14 mm (0.6 inches)	54%	extreme
March Weather	28°C (83°F)	25 mm (1.0 inches)	56%	extreme
April Weather	29°C (84°F)	90 mm (3.6 inches)	65%	extreme
May Weather	29°C (84°F)	165 mm (6.5 inches)	77%	extreme
June Weather	28°C (83°F)	112 mm (4.4 inches)	86%	extreme
July Weather	28°C (82°F)	159 mm (6.2 inches)	89%	extreme
August Weather	27°C (82°F)	191 mm (7.5 inches)	89%	extreme
September Weather	27°C (81°F)	249 mm (9.8 inches)	86%	extreme
October Weather	26°C (80°F)	218 mm (8.6 inches)	78%	extreme
November Weather	25°C (78°F)	38 mm (1.5 inches)	69%	very high
December Weather	23°C (75°F)	20 mm (0.8 inches)	60%	very high