September Weather in Johor Bahru, Malaysia

Last updated: August 21, 2025

September in Johor Bahru, Malaysia, offers a tropical experience characterized by warm temperatures and high humidity. The maximum temperature hovers around 32°C (91°F), while the average rests at a comfortable 27°C (81°F). Visitors should prepare for occasional rain, as the area experiences 210 mm (8.3 in) of precipitation over about 24 days, creating a lush and vibrant environment. With an humidity level of 84%, the air feels particularly moist, adding to the rich sensory experience of this dynamic city. Whether you're exploring or relaxing, the weather sets a distinctively tropical backdrop for any adventure.

September Temperature in Johor Bahru

In September, Johor Bahru experiences warm and inviting temperatures, with a minimum of 24°C (75°F) and a maximum reaching 32°C (91°F). The daily average hovers around 27°C (81°F), consistent with the overall climate of the preceding months. The slight uptick in temperatures from August to September marks a transition into the latter part of the year, where the warmth remains steady. This predictably balmy weather sets the stage for both outdoor adventures and leisurely activities, making it an ideal time for visitors to explore the vibrant culture and beautiful landscapes of this Malaysian city. As the year progresses, Johor Bahru's temperatures remain relatively stable, showcasing its tropical allure.

September Weather in Johor Bahru: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Johor Bahru, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Johor Bahru, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec808081828282828181818080
Data source: Temperature data for Johor Bahru generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Johor Bahru

September in Johor Bahru witnesses a notable rainfall pattern, with approximately 210 mm (8.3 in) of precipitation falling over 24 days. This marks a slight decrease from the preceding months, as both April and May recorded heavier rains, with 271 mm (10.7 in) and 266 mm (10.5 in), respectively. However, it remains consistent with the region's wet climate, bridging the gap towards the even more intense rainfall typically seen in October and November, where totals soar to 286 mm (11.3 in) and 366 mm (14.4 in). This trend highlights September as a transitional month, where the lingering moisture hints at the approaching monsoon season, while still offering a somewhat moderate climate for outdoor activities.

September Precipitation Trends in Johor Bahru

The chart displays monthly precipitation patterns in Johor Bahru, 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 Johor Bahru, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec20390214271266235165168210286366262
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Johor Bahru

September in Johor Bahru, Malaysia, sees a consistency in humidity levels, with an average of 84%. This marks a slight decrease from the higher readings of the preceding months, where humidity peaked in both January (88%) and February (85%). The transition into fall reveals a trend of stabilizing moisture, as humidity remains fairly even, only fluctuating slightly throughout the year. As the region moves towards October, the humidity stays static at 84%, hinting at the typical tropical climate that characterizes Johor Bahru. Overall, while September showcases a mild dip, it continues the pattern of high humidity that defines the city’s weather all year round.

September Average Humidity in Johor Bahru

This chart illustrates the average monthly humidity levels in Johor Bahru, 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 Johor Bahru is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%85%86%84%83%83%83%85%84%84%84%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Johor Bahru

In September, the UV Index in Johor Bahru, Malaysia peaks at 14, maintaining its classification as extreme and a burn time of just 10 minutes. This month follows a trend observed throughout the year, where the UV Index remains consistently high, especially from February through March, when it reaches a maximum of 16. While June and July see a slight dip to 12, the levels rise again in August and remain steady into September and October. This consistent intensity underscores the importance of sun protection year-round. For more detailed information, check out Johor Bahru UV Index.

Maximum UV Index Levels in Johor Bahru for September

The chart shows the monthly maximum UV Index (UVI) for Johor Bahru 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 Johor Bahru typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec131516141312121314141313
Data source: Johor Bahru 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.

September Sunshine in Johor Bahru

In September, Johor Bahru experiences a robust 285 hours of sunshine, maintaining its position as a bright and inviting destination. Following the peak summer months of July and August, which basked in 304 and 308 hours respectively, September remains sunny yet slightly cooler as the transition into the rainy season begins. Throughout the year, a trend of abundant sunlight is evident, peaking in March with 322 hours—a notable highlight. The consistency in sunshine hours, ranging from 230 in January to 246 in November, suggests that Johor Bahru is a haven for sun-seekers, with each month offering a satisfying dose of sunshine that enhances the region's tropical allure.

Monthly Sunshine Duration in Johor Bahru: September Highlighted

The September sunshine duration represents the total number of hours Johor Bahru experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec230h298h322h284h284h284h304h308h285h284h246h285h
Data source: Johor Bahru September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Johor Bahru During September

September in Johor Bahru, Malaysia, marks a noticeable increase in the likelihood of sunny weather, with a 24% chance of clear skies. This improvement stands out against the backdrop of the preceding months, where probabilities hovered below 21%. As the region transitions from the unpredictable rains of August (with only a 12% chance of sunshine), September shines as a beacon of optimism for sun-seekers. It’s a time when outdoor activities can be embraced more confidently, suggesting that the end of the rainy season is likely ushering in a brighter, more enjoyable atmosphere for both locals and visitors alike.

Percentage of Sunny Days in September in Johor Bahru

The chart illustrates the percentage of sunny days in Johor Bahru throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Johor Bahru experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec7%21%19%21%15%17%17%12%24%14%8%8%
Data source: Johor Bahru September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Johor Bahru in September

In Johor Bahru, Malaysia, the rhythm of the days remains remarkably steady throughout the year, with daylight duration consistently measuring 12 hours each month. This consistent daylight pattern fosters a unique blend of vibrant activity and tranquility, highlighting the region's tropical charm. As September arrives, residents and visitors alike can enjoy a perfect balance of sunshine and shadow, making it an ideal time to explore the sights and the culture that flourish under the warm Malaysian sun. The unwavering 12-hour daylight not only simplifies daily planning but also enriches the experience of this lively city, allowing everyone to revel in its beauty any time of year.

Average Daylight Hours in Johor Bahru for September

The chart illustrates the variation in daylight duration in Johor Bahru throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 2m12h 3m12h 5m12h 7m12h 10m12h 11m12h 10m12h 8m12h 6m12h 3m12h 2m12h 2m
Data source: Johor Bahru daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Johor Bahru

In September, Johor Bahru experiences a gentle breeze, with average wind speeds hovering around 2.3 m/s (5 mph). This consistent airflow reflects a broader trend observed throughout the year, where wind speeds typically peak in the earlier months, particularly in January and February. As the region transitions into the hotter months, winds tend to mellow, creating a warm and inviting atmosphere. Interestingly, September's wind speeds mirror those of August, suggesting a steady climate as the city prepares for the upcoming October, which sees a slight decline to 2.2 m/s. This rhythm of the winds not only shapes the weather patterns but also creates a serene backdrop for the vibrant life of Johor Bahru.

Average September Wind Speed in Johor Bahru

The chart displays monthly wind speed patterns in Johor Bahru, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.73.82.51.71.82.02.52.32.3 m/s2.22.03.0
Data source: Johor Bahru September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Johor Bahru Compares to Other Months

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

In comparing the weather of September and January, both months exhibit warm temperatures, but with slight variations. September typically experiences a minimum temperature of 24°C (75°F) and can reach a maximum of 32°C (91°F), with an average temperature of 27°C (81°F). In contrast, January has a slightly lower minimum of 22°C (72°F) and a higher maximum of 33°C (92°F), while maintaining the same average temperature of 27°C (80°F). Precipitation levels are similar, with September receiving 210 mm (8.3 in) over 24 days and January having slightly less at 203 mm (8.0 in) over 19 days. Humidity is also higher in January at 88%, compared to September's 84%. For more details, you can check out Johor Bahru weather in January.

In comparing the weather between September and February, both months feature similar average temperatures, with lows around 22-24°C (73-75°F) and highs reaching 32°C (91°F). However, September experiences significantly more rainfall, with 210 mm (8.3 in) over 24 days, compared to February’s 90 mm (3.5 in) across 15 days. Additionally, while humidity levels remain fairly consistent, February is slightly more humid at 85% compared to September's 84%. For more detailed insights, visit Johor Bahru weather in February.

In comparing the weather between September and March, both months feature warm temperatures, with September showing a minimum of 24°C (75°F) and March slightly lower at 23°C (74°F). The average temperatures are similar, with September at 27°C (81°F) and March just a degree warmer at 27°C (82°F). However, March has higher maximum temperatures, reaching up to 34°C (93°F) compared to September's maximum of 32°C (91°F). Precipitation levels are also comparable, with September experiencing 210 mm (8.3 in) over 24 days and March slightly higher at 214 mm (8.4 in) over 23 days. Humidity levels are similar as well, with September at 84% and March at 86%. For a detailed overview of weather conditions in March, you can check Johor Bahru weather in March.

When comparing the weather in September and April, we observe that both months experience relatively warm temperatures, with September averaging 27°C (81°F) and April slightly warmer at 28°C (82°F). The maximum temperatures are also comparable, with September reaching up to 32°C (91°F) and April peaking at 33°C (92°F). However, precipitation levels differ significantly; September receives 210 mm (8.3 in) over 24 days, while April has higher rainfall totaling 271 mm (10.7 in) across 27 days. Despite the increased rainfall, both months share the same humidity level of 84%. For more detailed information, you can check Johor Bahru weather in April.

In comparing the weather of September and May, both months exhibit similar temperature ranges, with September having a minimum temperature of 24°C (75°F) and an average of 27°C (81°F), while May slightly edges out with an average of 28°C (82°F) and a maximum of 33°C (93°F). However, May experiences more rainfall, accumulating 266 mm (10.5 in) over 29 days, compared to September’s 210 mm (8.3 in) over 24 days. Both months maintain high humidity levels, with September at 84% and May just slightly lower at 83%. For a detailed look at May's weather, you can visit Johor Bahru weather in May.

In comparing the weather of September and June, both months exhibit relatively high temperatures and humidity levels, but there are some distinctions. September has a slight decrease in average temperature at 27°C (81°F) compared to June's 28°C (82°F), with maximum temperatures reaching up to 32°C (91°F) in September and 33°C (91°F) in June. While September has a lower total precipitation of 210 mm (8.3 in) across 24 days, June experiences slightly higher rainfall at 234 mm (9.2 in) over 27 days. Humidity levels remain quite similar, with September at 84% and June at 83%. For more details, you can check Johor Bahru weather in June.

In comparing the weather of September and July, both months exhibit similar temperature ranges, with minimum temperatures around 24°C (75°F) and maximum temperatures hovering close to 32°C (90-91°F). However, September is slightly cooler on average, with a temperature of 27°C (81°F) compared to July's 28°C (82°F). Precipitation also plays a significant role; September experiences higher rainfall at 210 mm (8.3 in) over 24 days, whereas July sees 165 mm (6.5 in) over 25 days. Humidity levels remain comparable, with September at 84% and July at 83%. For more specifics on July weather, you can visit Johor Bahru weather in July.

In September, the weather remains quite similar to August, with both months experiencing minimum temperatures of 24°C (75°F) and average highs of around 32°C (90-91°F). However, September sees slightly higher average precipitation at 210 mm (8.3 in) over 24 days, compared to 168 mm (6.6 in) over 25 days in August. Humidity levels are also remarkable, with September at 84% compared to August's 85%. For more detailed insights on August weather, you can check out Johor Bahru weather in August.

In September, the weather in Johor Bahru features a minimum temperature of 24°C (75°F), an average of 27°C (81°F), and a maximum of 32°C (91°F). The month experiences a significant amount of precipitation, totaling 210 mm (8.3 in) over 24 days, with humidity consistently high at 84%.

By October, temperatures remain similar, with a minimum of 24°C (75°F), an average of 27°C (81°F), but the maximum increases to 33°C (91°F). However, October sees an uptick in precipitation, reaching 286 mm (11.3 in) over 27 days, while maintaining the same humidity level of 84%. For more detailed information, you can refer to Johor Bahru weather in October.

In September, the weather in Johor Bahru is characterized by warm temperatures, with a minimum of 24°C (75°F), an average of 27°C (81°F), and a maximum of 32°C (91°F). However, the month sees significant rainfall, totaling 210 mm (8.3 inches) over 24 days, coupled with high humidity at 84%.

In contrast, November experiences slightly higher temperatures, with a maximum reaching 33°C (91°F), while the minimum and average temperatures remain the same as in September. However, November is much wetter, receiving 366 mm (14.4 inches) of rain over 28 days, maintaining the same high humidity level of 84%. For more detailed information about the weather during this month, you can check Johor Bahru weather in November.

In comparing the weather between September and December, we find that both months exhibit relatively similar temperature ranges. September's temperatures fluctuate between a minimum of 24°C (75°F) and a maximum of 32°C (91°F), with an average of 27°C (81°F). In December, the temperatures are slightly warmer, with a minimum of 23°C (74°F), an average of 27°C (80°F), and a high reaching 33°C (91°F).

However, when it comes to precipitation, December experiences more rainfall, with a total of 262 mm (10.3 in) spread over 27 days, compared to September's 210 mm (8.3 in) over 24 days. The humidity levels also rise slightly in December, peaking at 87%, compared to September's 84%. For more detailed information, you can check the Johor Bahru weather in December.

Compare Johor Bahru's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Johor Bahru

As September rolls into Johor Bahru, the weather takes on a distinct character with its warm temperatures and high humidity, setting a tropical stage that differs from many other months. While the days remain predominantly warm, the increased precipitation is a hallmark of September, with rain gracing nearly every other day, resulting in a lush and vibrant environment. This month typically experiences some of the most humid conditions of the year, making it essential for visitors to embrace the heat and stay hydrated. If you're planning a trip, understanding the nuances of the weather can help you make the most of your experience. For more detailed insights, check out the full breakdown at Johor Bahru Climate.