Nairobi · September
Run in the morning.
Comfortable average high of 77°F, dipping to 56°F at night. Comfortable conditions all day, but morning consistently delivers the best combination of cool air and clear skies.
Avg high / low
77° / 56°F
Humidity
66%
Rain days
14/mo
Wind
8 mph
What September feels like in Nairobi
Sunrise
06:24
Mid-month average
Sunset
18:30
Mid-month average
Time-of-day breakdown
Morning
Steady cool air, low wind, and good light. The standard runner window in most months.
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 Nairobi in September
The kit for September in Nairobi: shorts and a short-sleeve are the standard kit, a water-resistant cap or jacket on standby.
September vs the surrounding months
vs August
+3° avg high
0 rain days
Nairobi in August →
September
77°F avg high
14 rain days
Best: morning
vs October
-2° avg high
-6 rain days
Nairobi in October →
Frequently Asked Questions
What is the best time of day to run in Nairobi in September?+
Morning. Comfortable conditions all day, but morning consistently delivers the best combination of cool air and clear skies.
What's the average temperature in Nairobi in September?+
Average high 77°F, average low 56°F.
How does September compare to surrounding months in Nairobi?+
Compared to August (avg high 74°F), September is warmer. Compared to October (avg high 79°F), September is cooler.
Does it rain often in Nairobi in September?+
Expect about 14 measurable rain days in September, on average.