Lima · September
Run in the morning.
Cool month: average high 67°F, low 59°F. Humidity averages 81% — the limiting factor on most runs. Dry month — only 2 measurable rain days on average. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
Avg high / low
67° / 59°F
Humidity
81%
Rain days
2/mo
Wind
12 mph
What September feels like in Lima
Sunrise
06:01
Mid-month average
Sunset
18:04
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
Mild but UV and traffic peak. Workable if you don't mind shifting your pace.
Evening
Warm and runnable. Crowded routes but the air's typically calm.
What to wear running in Lima in September
The kit for September in Lima: shorts and a short-sleeve are the standard kit.
September vs the surrounding months
vs August
+1° avg high
+2 rain days
Lima in August →
September
67°F avg high
2 rain days
Best: morning
vs October
-1° avg high
0 rain days
Lima in October →
Frequently Asked Questions
What is the best time of day to run in Lima in September?+
Morning. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
What's the average temperature in Lima in September?+
Average high 67°F, average low 59°F.
How does September compare to surrounding months in Lima?+
Compared to August (avg high 67°F), September is warmer. Compared to October (avg high 68°F), September is cooler.
Does it rain often in Lima in September?+
Expect about 2 measurable rain days in September, on average.