End of the drier season · Weather & things to do
Nairobi in September
Nairobi edges warmer than August, with highs of 82°F (28°C), lows of 55°F (13°C) and about 0.8 in (20 mm) of rain.
At 88/100 for comfort (4th of 12), it's one of the best months to visit.

- Avg high
- 82°F (28°C)
- Avg low
- 55°F (13°C)
- Rain
- 0.8 in (20 mm)
- Humidity
- 59%
- Cloud cover
- 57%
- Daylight
- ~12 h
- Comfort score
- 88/100 · Great
What September feels like
Highs settle around 82°F (28°C), warm enough for short sleeves most of the day.
Mornings start much cooler: lows average 55°F (13°C), about 15°C (27°F) below the afternoon high.
It's one of the drier stretches, with only about 0.8 in (20 mm) of rain.
Plan around September
September is one of Nairobi's best months on the climate data.
- Last dry month before the rain picks up: October brings 2.1 in (53 mm).
- Last of the best-scoring months: by October, the score drops to 84/100.
- Comfort holds steady from August (88 → 88/100).
- September sits inside the Jun – Oct window our Kenya & Tanzania Safari route recommends.
What to pack for September
- Light, breathable clothes82°F afternoons
- Sunscreen, sunglasses and a hatstrong sun this month
- A warm layer for eveningsnights drop to 55°F
- Comfortable walking shoesmost picks involve some walking
What to do in Nairobi in September
September is good outdoor weather here, so these picks lean toward the open air.
Nairobi National Park
Savanna park with lions, rhinos and giraffes grazing against the city skyline.
Why now September scores 88/100 for comfort, good conditions for being outside.
David Sheldrick Wildlife Trust
Orphaned elephant nursery inside Nairobi National Park, open to visitors for a daily one-hour viewing.
Why now Highs near 82°F and 0.8 in of monthly rain make this an easy outdoor pick.
The Talisman
Garden restaurant in a Karen villa mixing Asian, Middle Eastern and European plates.
Why now One to do outside while the weather is on your side.
Carnivore Restaurant
Long-running open-fire grill where waiters carve skewered meats at the table until you lower your flag.
Nairobi National Museum
Kenya's main museum covering human origins, wildlife and culture, with a snake park next door.
Nearby in September
- Maasai Mara in September~117 mi · highs 84°F, 2.2 in rain · 1°C (2°F) warmer by day, wetter
- Serengeti in September~155 mi · highs 87°F, 1.0 in rain · 3°C (5°F) warmer by day, about as wet
- Ngorongoro in September~160 mi · highs 78°F, 0.7 in rain · 2°C (3°F) cooler by day, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Nairobi in September: quick answers
Is September a good time to visit Nairobi?
Yes. On the climate data it's one of the best months, scoring 88/100. Expect highs of 82°F (28°C) and 0.8 in (20 mm) of rain. September is inside the Jun – Oct window our Kenya & Tanzania Safari route recommends.
How hot is Nairobi in September?
Average highs are 82°F (28°C) and average lows 55°F (13°C), making it the 4th-warmest month by daytime highs.
Does it rain a lot in Nairobi in September?
Not much: about 0.8 in (20 mm) of rain falls across September on average, the 2nd-driest month of the year. The annual total is about 23.7 in (601 mm).
What should I pack for Nairobi in September?
Bring light, breathable clothes (82°F afternoons), sunscreen, sunglasses and a hat (strong sun this month), a warm layer for evenings (nights drop to 55°F) and comfortable walking shoes (most picks involve some walking).
More on Nairobi
Routes in season in September
- Kenya & Tanzania Safari Jun – Oct
Planning Nairobi in September?
Share this September plan with your group, poll everyone on dates and keep the packing list in one place.





