September Weather in Rattanawapi, Thailand

Last updated: August 27, 2025

In Rattanawapi, Thailand, the average temperature in September reaches a warm 28°C (82°F). Expect a minimum of 21°C (69°F) and a maximum soaring to 35°C (95°F). However, prepare for some moisture, as the region experiences 286 mm (11.3 in) of precipitation spread over 26 days. With an average humidity of 85%, it's a tropical paradise—perfect for those who love the heat!

September Temperature in Rattanawapi

In September in Rattanawapi, the average temperature is 28°C (82°F), with maximums reaching up to 35°C (95°F) and minimums dropping as low as 21°C (69°F). It's a great time to visit for warm weather enthusiasts looking to enjoy outdoor activities and explore local attractions.

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

The chart illustrates September temperature patterns in Rattanawapi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rattanawapi, September typically has an average temperature of 28°C (82°F), with highs reaching up to 35°C (95°F) and lows dropping to around 21°C (69°F).

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

September Precipitation in Rattanawapi

In Rattanawapi, in September, the precipitation amount is 286 mm (11.3 in) over the course of 26 days.

September Precipitation Trends in Rattanawapi

The chart displays monthly precipitation patterns in Rattanawapi, 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 Rattanawapi, September typically receives around 286 mm (11.3 inches) of precipitation spread over approximately 26 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 Rattanawapi

In Rattanawapi in September humidity is 85%. With an average temperature of 28°C (82°F), this humidity feels like a warm blanket enveloping you, making outdoor activities a sweaty endeavor and requiring frequent breaks to stay refreshed.

September Average Humidity in Rattanawapi

This chart illustrates the average monthly humidity levels in Rattanawapi, 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 Rattanawapi is approximately 85%, 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 Rattanawapi

In Rattanawapi 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 Rattanawapi, you can check here.

Maximum UV Index Levels in Rattanawapi for September

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

Data source: Rattanawapi 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 Rattanawapi Compares to Other Months

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

This table compares monthly weather conditions in Rattanawapi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	23°C (73°F)	5 mm (0.2 inches)	65%	very high
February Weather	23°C (74°F)	10 mm (0.4 inches)	63%	extreme
March Weather	27°C (80°F)	40 mm (1.6 inches)	54%	extreme
April Weather	28°C (83°F)	73 mm (2.9 inches)	47%	extreme
May Weather	28°C (83°F)	236 mm (9.3 inches)	67%	extreme
June Weather	28°C (83°F)	384 mm (15.1 inches)	81%	extreme
July Weather	28°C (82°F)	444 mm (17.5 inches)	92%	extreme
August Weather	27°C (81°F)	481 mm (19.0 inches)	93%	extreme
September Weather	28°C (82°F)	286 mm (11.3 inches)	85%	extreme
October Weather	27°C (81°F)	122 mm (4.8 inches)	78%	extreme
November Weather	25°C (78°F)	10 mm (0.4 inches)	73%	very high
December Weather	22°C (72°F)	4 mm (0.2 inches)	69%	very high