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September Weather in Rasi Salai, Thailand

Last updated: August 27, 2025

In Rasi Salai, Thailand, the average temperature in September reaches a warm 28°C (83°F), where minimums can dip to 24°C (75°F) and maximums soar to 35°C (95°F). During this time, expect 308 mm (12.1 in) of precipitation spread over 24 days, accompanied by a high average humidity of 89%.

September Temperature in Rasi Salai

In September in Rasi Salai, the average temperature is 28°C (83°F). The maximum can reach 35°C (95°F), and the minimum can be as low as 24°C (75°F). This warm and pleasant climate makes it an ideal time for exploring and enjoying outdoor activities in Rasi Salai.

September Weather in Rasi Salai: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Rasi Salai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rasi Salai, September typically has an average temperature of 28°C (83°F), with highs reaching up to 35°C (95°F) and lows dropping to around 24°C (75°F).
JanFebMarAprMayJunJulAugSepOctNovDec777884858585838382817976
Data source: Temperature data for Rasi Salai generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Rasi Salai

In Rasi Salai in September, the precipitation amount is 308 mm (12.1 in) over the course of 24 days.

September Precipitation Trends in Rasi Salai

The chart displays monthly precipitation patterns in Rasi Salai, 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 Rasi Salai, September typically receives around 308 mm (12.1 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec4103471161144240246308176409
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Rasi Salai

In Rasi Salai in September, humidity is 89%. With an average temperature of 28°C (83°F), this humidity feels like a warm, heavy blanket enveloping you, making outdoor activities feel sticky and strenuous, and requiring constant hydration to stay comfortable while exploring.

September Average Humidity in Rasi Salai

This chart illustrates the average monthly humidity levels in Rasi Salai, 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 Rasi Salai is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec56%50%41%44%71%84%87%90%89%83%74%68%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Rasi Salai

In Rasi Salai 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 Rasi Salai.

Maximum UV Index Levels in Rasi Salai for September

The chart shows the monthly maximum UV Index (UVI) for Rasi Salai 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 Rasi Salai typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10131415151314141312109
Data source: Rasi Salai 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 Rasi Salai Compares to Other Months

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

This table compares monthly weather conditions in Rasi Salai, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)4 mm (0.2 inches)56%very high
February Weather26°C (79°F)10 mm (0.4 inches)50%extreme
March Weather29°C (84°F)34 mm (1.4 inches)41%extreme
April Weather29°C (85°F)71 mm (2.8 inches)44%extreme
May Weather29°C (85°F)161 mm (6.4 inches)71%extreme
June Weather29°C (85°F)144 mm (5.7 inches)83%extreme
July Weather29°C (84°F)239 mm (9.4 inches)87%extreme
August Weather28°C (83°F)246 mm (9.7 inches)90%extreme
September Weather28°C (83°F)308 mm (12.1 inches)89%extreme
October Weather27°C (81°F)176 mm (6.9 inches)83%extreme
November Weather26°C (79°F)40 mm (1.6 inches)74%very high
December Weather24°C (76°F)9 mm (0.4 inches)68%very high

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