Weather in Nairobi in September
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Book now, pay at pickup — compare Hertz, Avis, Budget, Sixt and 800+ rental companies for September in Nairobi.
Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youIn September, Nairobi sees average highs of 24.9°C (76.8°F) and lows of 13.5°C. Conditions are warm and mostly dry with only occasional showers, with roughly 9.6 hours of sunshine a day. Weather-wise, this is one of the most reliable months to travel. For the complete picture, see the best time to visit Nairobi — every month compared. Once you know when to go, find your Nairobi packing list at 247PackingList.
Get ready for Nairobi in September
Search flights to Nairobi
Compare 100+ airlines for September — one search, best price.
Search Flights →Travel clothing layers
Pack layers — temperatures can vary significantly between day and night.
Check Price →What to pack for Nairobi in September
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
Compare all months in Nairobi
| Month | High | Rain | Rating |
|---|---|---|---|
| January | 25.2°C | 76.8mm | 10/10 |
| February | 26.8°C | 74.9mm | 10/10 |
| March | 26.8°C | 103.6mm | 9/10 |
| April | 24.7°C | 200.3mm | 8/10 |
| May | 24.0°C | 94.4mm | 10/10 |
| June | 23.3°C | 26.2mm | 10/10 |
| July | 22.3°C | 15.3mm | 10/10 |
| August | 23.5°C | 32.7mm | 10/10 |
| September | 24.9°C | 36.7mm | 10/10 |
| October | 26.6°C | 48.8mm | 10/10 |
| November | 24.7°C | 120.0mm | 9/10 |
| December | 24.9°C | 56.7mm | 10/10 |
Full month-by-month guide: best time to visit Nairobi →
For facts about Kenya — currency, language and dialling code — see our Kenya country guide at 247CountryInfo. Travellers also find it useful to keep a Nairobi travel guide to hand. Check clothing sizes in Kenya before you shop.
Frequently Asked Questions
Is September a good time to visit Nairobi?
September rates 10/10 for visiting Nairobi — excellent time to visit. Expect average highs of 24.9°C, 36.7mm of rain across the month and about 9.6 hours of daily sunshine.
What is the temperature in Nairobi in September?
In September, Nairobi has average highs of 24.9°C (76.8°F) and average lows of 13.5°C (56.3°F).
Does it rain in Nairobi in September?
Not much. September averages just 36.7mm of rain in Nairobi — the odd shower is possible but most days stay dry.
What should I wear in Nairobi in September?
For Nairobi in September (24.9°C highs / 13.5°C lows), pack light layers plus sunscreen, t-shirts and light trousers or shorts.
More essentials for Nairobi in September
Packing cubes
Keep the bag organised whatever the weather — compression cubes for every size.
Check Price →Travel first aid kit
Compact TSA-friendly kit for peace of mind wherever you travel.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.