Nairobi
September
Weather in Nairobi for September 2026
Your guide to Nairobi weather in September - trends and predictions
Until now, September 2026 in Nairobi has been nearly identical to the historical average, with a temperature of 26.2 °C (showing only a slight deviation of 0.4 °C).
Expect cooler weather in the next days in Nairobi with the forecast suggesting a temperature of 26.2 °C, lower than the historical average.
In general, the average temperature in Nairobi at the beginning of September is 26.6 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 27.3 °C by the end of September.
With an average of 3 rainy days, Nairobi experiences minimal rainfall in September.
Temperatures
Rain 🌧️
27
Dry days
3
Rainy days
0
Snow days
27°/15°
Temperatures
21 km/h
Avg max wind
57 %
Avg humidity
Nairobi Weather September
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Temperatures trend during September in Nairobi
See the weather trend as well as the moving average line
September weather in Nairobi day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 26° /14° | 0.4 mm | 6 | |
| 2 Sept. | Patchy rain possible | 26° /13° | 0.4 mm | 6 | |
| 3 Sept. | Patchy rain possible | 27° /13° | 0.2 mm | 6 | |
| 4 Sept. | Patchy rain possible | 25° /13° | 0.4 mm | 7 | |
| 5 Sept. | Patchy rain possible | 27° /13° | 0.2 mm | 7 | |
| 6 Sept. | Patchy rain possible | 27° /14° | 1 mm | 8 | |
| 7 Sept. |  Sunny | 28° /14° | 4.6 mm | 9 | |
| 8 Sept. |  Moderate or heavy rain shower | 25° /14° | 5.1 mm | 7 | |
| 9 Sept. | Patchy rain possible | 25° /14° | 0.5 mm | 7 | |
| 10 Sept. |  Partly cloudy | 26° /14° | 0.5 mm | 8 | |
| 11 Sept. | Patchy rain possible | 27° /14° | 0.5 mm | 8 | |
| 12 Sept. | Partly cloudy | 27° /14° | 1.1 mm | 7 | |
| 13 Sept. | Sunny | 27° /15° | 0.4 mm | 6 | |
| 14 Sept. | Patchy rain possible | 28° /14° | 0.2 mm | 8 | |
| 15 Sept. |  Cloudy | 26° /14° | 0.3 mm | 7 | |
| 16 Sept. | Patchy rain possible | 26° /14° | 0.7 mm | 6 | |
| 17 Sept. | Patchy rain possible | 27° /15° | 0 mm | 6 | |
| 18 Sept. | Patchy rain possible | 26° /15° | 0.9 mm | 6 | |
| 19 Sept. | Patchy rain possible | 28° /15° | 0.8 mm | 8 | |
| 20 Sept. | Patchy rain possible | 27° /14° | 1.5 mm | 6 | |
| 21 Sept. | Patchy rain possible | 27° /15° | 0.7 mm | 6 | |
| 22 Sept. | Patchy rain possible | 26° /15° | 0.3 mm | 8 | |
| 23 Sept. | Patchy rain possible | 27° /14° | 0.1 mm | 6 | |
| 24 Sept. | Patchy rain possible | 28° /13° | 0 mm | 7 | |
| 25 Sept. | Partly cloudy | 28° /15° | 0.2 mm | 9 | |
| 26 Sept. | Patchy rain possible | 28° /14° | 0.2 mm | 7 | |
| 27 Sept. | Partly cloudy | 27° /15° | 0.1 mm | 14 | |
| 28 Sept. | Patchy rain possible | 27° /16° | 0.4 mm | 13.8 | |
| 29 Sept. | Patchy rain possible | 26° /15° | 0.2 mm | 12.7 | |
| 30 Sept. |  Overcast | 27° /13° | 0 mm | 14.2 | |
| Next | |||||
Important Notice
Our weather forecast for Nairobi in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Nairobi forecast closer to your planned date for the most up-to-date weather information.
Change Month
Nairobi in September - FAQ
What are the expected maximum and minimum temperatures in Nairobi during September?
During September, expect a variety of temperatures with highs around 27° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Nairobi during September?
In September, Nairobi can expect light to moderate rainfall, totaling 22.3 mm across approximately 3 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Nairobi during September?
The average wind speed in Nairobi during September is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Nairobi
Explore the daily rainfall trends and prepare for Nairobis September weather 💧
Typically, Nairobi has 3 rainy days in September with a total of 22.3 mm of rainfall.
UV exposure in Nairobi during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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