Weather in Nairobi in September
September in Nairobi is warm outdoor weather. Days are long enough to be useful. Shade starts to matter at midday.
In Kenya, this is how Nairobi actually wears September, not how a country centroid would. Compared with March and July, September sits in the middle of Nairobi's year.
Pack for Nairobi in September, not for a brochure that was photographed in another season.
- Average temp
- 20°C
13–26°C
- Rainfall
- 19 mm
Not much rain
- Sunshine
- 6 h
hours per day
What to expect
Daytime
Warm days in Nairobi in September. A hat starts to earn its keep at midday. Evenings are the comfortable part of the clock.
You can walk at more hours than in the fierce months. Still build in a pause when the sun is high. Nights are easy.
Rain
Rain is not the story in Nairobi in September. Pack for sun. A shower would be news, not a plan.
Do not build the trip around weather windows. Build it around shade if it is hot, and around getting outside if it is not.
Evening
Evenings are cooler. A layer helps after sunset.
What to pack
A layer for cooler evenings
Where to stay in Nairobi
Dates are a starting point for September.
Travel guides for Nairobi
What to read before you book.
Average weather in Nairobi
TemperatureRainfall
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FAQs about Nairobi
Climate averages for Nairobi, 1991–2020.
The best time to visit Nairobi is between June and October, the most comfortable stretch of the year on these averages.
March is the hottest month, with an average around 22°C.
November is the wettest month, with about 128 mm of rain.
No. These are 1991–2020 climate normals from Meteostat, not a live forecast. Actual weather in any given week can differ.
