Weather in Kuala Lumpur in September 2025
Average weather
Average temperature in Kuala Lumpur in September
The temperature in September is +33°C on average, with a range between a maximum of +36°C during the day and a minimum of +24°C at night.
The average maximum temperature goes up 25% by the end of the month, compared with the beginning of the month, from +32°C to +35°C.
Is Kuala Lumpur warm or cold in September?
Kuala Lumpur is typically hot in September.
Maximum temperatures go down compared to the previous month from +32°C to +31°C. The minimum temperature also goes up from +24°C to +24°C.
Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.
September is one of the coolest months in Kuala Lumpur, here is the comparison with other months:
Water temperature in Kuala Lumpur in September
Water in Kuala Lumpur in September is Very warm. It varies from +29°C to +30°C, with an average of +29°C. This is almost similar to the air temperature, which averages +31°C.
In September, water temperatures are average relative to the rest of the year:
Can you swim in Kuala Lumpur in September?
Climate in Kuala Lumpur in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +32°C | +31°C | +31°C | ||||
| Min. temperature | ||||||
| +21°C | +21°C | +21°C | ||||
| Max. temperature | ||||||
| +36°C | +36°C | +35°C | ||||
| Rainfall | ||||||
| 91 mm | 114 mm | 160 mm | ||||
| Wind | ||||||
| 1 m/s | 1 m/s | 1 m/s | ||||
| Avg. water temperature | ||||||
| +30°C | +29°C | +30°C | ||||
| Humidity | ||||||
| 78% | 79% | 81% | ||||
| Air pressure | ||||||
| 1009 HPa | 1009 HPa | 1009 HPa | ||||
| Sunny days | ||||||
| 0 | 0 | 0 | ||||
| Cloudy days | ||||||
| 4 | 2 | 1 | ||||
| Rainy days | ||||||
| 11 | 10 | 10 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September weather is still as ok as in August. It’s getting colder in September. From +32°C in the day, the average maximum temperature lowers to +31°C. Prepare for more rain. Average rainfall goes from 91 mm to 114 mm. Humidity rises from 78% to 79%. The average wind speed doesn’t change much during September, staying around 1 m/s. The amount of sunny days stay about the same, averaging 0 sunny days during the month.
October brings much the same weather, it remains ok.
Wind
The average wind speed is 2 m/s getting up to 3 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Kuala Lumpur is gradually increasing during September, going from 1 m/s to 1 m/s over the course of the month.
Rain
How was the weather last September in Kuala Lumpur?
Climate Change over Years
The climate in Kuala Lumpur in September has not changed much over the last 43 years.
The average temperature was the lowest in 1984 (+30°C) and the highest in 2019 (+33°C). The driest year was 1981 with only 881 mm of rainfall, and the wettest year was 2023 with 5963 mm.
FAQ
Is September a good time to visit Kuala Lumpur?
Can you sunbathe in Kuala Lumpur in September?
Can you swim in Kuala Lumpur in September?
Is Kuala Lumpur rainy in September?
Is it sunny in Kuala Lumpur in September?
Other cities in Malaysia
Monthly weather in Kuala Lumpur
Source of the data
For this page, we’ve looked at the typical weather in Kuala Lumpur, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.