Best Time to Run in Jakarta in September

The verdict: Pre-dawn. Humid heat punishes mid-morning — get out before sunrise for the only truly comfortable window.

Jakarta · September

Run in the pre-dawn.

Average high is 90°F with a 75°F overnight low. Expect 18 rain days — plan around the radar. Humid heat punishes mid-morning — get out before sunrise for the only truly comfortable window.

Avg high / low
90° / 75°F
Humidity
73%
Rain days
18/mo
Wind
9 mph

What September feels like in Jakarta

Sunrise

05:45

Mid-month average

Sunset

17:49

Mid-month average

Time-of-day breakdown

Morning

Cool relative to the day's peak, but heat builds fast. By 10 AM you're already chasing comfort.

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 Jakarta in September

The kit for September in Jakarta: light, breathable, and moisture-wicking — singlet or short-sleeve only, a water-resistant cap or jacket on standby.

September vs the surrounding months

Frequently Asked Questions

What is the best time of day to run in Jakarta 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 Jakarta in September?+
Average high 90°F, average low 75°F.
How does September compare to surrounding months in Jakarta?+
Compared to August (avg high 90°F), September is warmer. Compared to October (avg high 90°F), September is warmer.
Does it rain often in Jakarta in September?+
Expect about 18 measurable rain days in September, on average.

Get the live verdict for Jakarta

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