Kuala Lumpur · September
Run in the pre-dawn.
Average high is 87°F with a 75°F overnight low. Humidity averages 83% — the limiting factor on most runs. Expect 27 rain days — plan around the radar. Humid heat punishes mid-morning — get out before sunrise for the only truly comfortable window.
Avg high / low
87° / 75°F
Humidity
83%
Rain days
27/mo
Wind
7 mph
What September feels like in Kuala Lumpur
Sunrise
07:04
Mid-month average
Sunset
19:12
Mid-month average
Time-of-day breakdown
Morning
Coolest, driest air of the day. The window before sunrise is the most reliable comfortable hour.
Midday
Heat peaks here. Skip unless you've got shade and pace tolerance.
Evening
Cools off after sunset but still warm. Good for easy efforts; avoid hard intervals if you're chasing pace.
What to wear running in Kuala Lumpur in September
The kit for September in Kuala Lumpur: light, breathable, and moisture-wicking — singlet or short-sleeve only, a water-resistant cap or jacket on standby.
September vs the surrounding months
vs August
0° avg high
-1 rain days
Kuala Lumpur in August →
September
87°F avg high
27 rain days
Best: pre-dawn
vs October
0° avg high
-1 rain days
Kuala Lumpur in October →
Frequently Asked Questions
What is the best time of day to run in Kuala Lumpur in September?+
Pre-dawn. Humid heat punishes mid-morning — get out before sunrise for the only truly comfortable window.
What's the average temperature in Kuala Lumpur in September?+
Average high 87°F, average low 75°F.
How does September compare to surrounding months in Kuala Lumpur?+
Compared to August (avg high 87°F), September is cooler. Compared to October (avg high 87°F), September is cooler.
Does it rain often in Kuala Lumpur in September?+
Expect about 27 measurable rain days in September, on average.