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September Weather in Muar, Malaysia

Last updated: August 23, 2025

In Muar, Malaysia, the average temperature in September hovers around 27°C (82°F). Expect a minimum of 24°C (75°F) and a warm maximum reaching 31°C (88°F). With 190 mm (7.5 in) of precipitation over 25 days and an average humidity of 89%, it's advisable to prepare for a tropical climate while enjoying the lush scenery!

September Temperature in Muar

In September in Muar, the average temperature is 27°C (82°F), with maximums reaching 31°C (88°F) and minimums dipping as low as 24°C (75°F). This pleasant climate makes it an ideal destination for travelers looking to enjoy warm weather and outdoor activities.

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

The chart illustrates September temperature patterns in Muar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Muar, September typically has an average temperature of 27°C (82°F), with highs reaching up to 31°C (88°F) and lows dropping to around 24°C (75°F).
JanFebMarAprMayJunJulAugSepOctNovDec818182828382828281828181
Data source: Temperature data for Muar 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 Muar

In Muar in September, the total precipitation amount is 190 mm (7.5 in) spread over 25 days.

September Precipitation Trends in Muar

The chart displays monthly precipitation patterns in Muar, 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 Muar, September typically receives around 190 mm (7.5 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec12556147216253210160183190219287176
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Muar

In Muar in September, humidity is 89%. With an average temperature of 27°C (82°F), this humidity feels like a warm, steamy blanket enveloping you, making outdoor activities challenging and encouraging travelers to seek the comfort of shaded areas or refreshing indoor spaces.

September Average Humidity in Muar

This chart illustrates the average monthly humidity levels in Muar, 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 Muar is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%81%82%84%87%88%88%90%89%90%90%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Muar

In Muar 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 Muar, you can check here.

Maximum UV Index Levels in Muar for September

The chart shows the monthly maximum UV Index (UVI) for Muar 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 Muar typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec131516151412121314141313
Data source: Muar 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 Muar Compares to Other Months

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

This table compares monthly weather conditions in Muar, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)125 mm (4.9 inches)87%extreme
February Weather27°C (82°F)56 mm (2.2 inches)81%extreme
March Weather28°C (82°F)146 mm (5.8 inches)82%extreme
April Weather28°C (82°F)216 mm (8.5 inches)84%extreme
May Weather28°C (83°F)253 mm (10.0 inches)87%extreme
June Weather28°C (83°F)210 mm (8.3 inches)88%extreme
July Weather28°C (82°F)159 mm (6.3 inches)88%extreme
August Weather28°C (82°F)183 mm (7.2 inches)90%extreme
September Weather27°C (82°F)190 mm (7.5 inches)89%extreme
October Weather28°C (82°F)219 mm (8.6 inches)90%extreme
November Weather27°C (81°F)287 mm (11.3 inches)90%extreme
December Weather27°C (81°F)176 mm (6.9 inches)89%extreme

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