September Weather in Kertih, Malaysia

Last updated: August 23, 2025

In September, the average temperature in Kertih, Malaysia hovers around 27°C (82°F). Expect minimums of 25°C (77°F) and maximums reaching 29°C (85°F). With 117 mm (4.6 in) of precipitation over 21 days, the weather can be quite wet, and the average humidity sits at a humid 83%.

September Temperature in Kertih

In September in Kertih, the average temperature is 27°C (82°F). Maximums can reach 29°C (85°F) and minimums can be as low as 25°C (77°F). This pleasant climate makes it an ideal destination for travelers seeking warmth and comfort throughout the month.

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

The chart illustrates September temperature patterns in Kertih, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kertih, September typically has an average temperature of 27°C (82°F), with highs reaching up to 29°C (85°F) and lows dropping to around 25°C (77°F).

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

September Precipitation in Kertih

In Kertih in September, the precipitation amount is 117 mm (4.6 in) spread over 21 days.

September Precipitation Trends in Kertih

The chart displays monthly precipitation patterns in Kertih, 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 Kertih, September typically receives around 117 mm (4.6 inches) of precipitation spread over approximately 21 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 Kertih

In Kertih in September humidity is 83%. With an average temperature of 27°C (82°F), this humidity feels like a thick, warm blanket enveloping you, making outdoor activities exhausting and encouraging visitors to seek the comfort of shade or air conditioning while exploring the area.

September Average Humidity in Kertih

This chart illustrates the average monthly humidity levels in Kertih, 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 Kertih is approximately 83%, 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 Kertih

In Kertih 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 Kertih, you can check here.

Maximum UV Index Levels in Kertih for September

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

Data source: Kertih 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 Kertih Compares to Other Months

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

This table compares monthly weather conditions in Kertih, 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 (79°F)	345 mm (13.6 inches)	86%	extreme
February Weather	26°C (79°F)	134 mm (5.3 inches)	84%	extreme
March Weather	27°C (81°F)	138 mm (5.4 inches)	86%	extreme
April Weather	28°C (82°F)	158 mm (6.2 inches)	83%	extreme
May Weather	28°C (83°F)	162 mm (6.4 inches)	79%	extreme
June Weather	28°C (82°F)	105 mm (4.1 inches)	79%	extreme
July Weather	28°C (82°F)	102 mm (4.0 inches)	78%	extreme
August Weather	27°C (82°F)	98 mm (3.9 inches)	81%	extreme
September Weather	27°C (82°F)	117 mm (4.6 inches)	83%	extreme
October Weather	27°C (81°F)	222 mm (8.7 inches)	81%	extreme
November Weather	27°C (80°F)	403 mm (15.9 inches)	82%	extreme
December Weather	26°C (80°F)	496 mm (19.5 inches)	87%	extreme