Weather in Nairobi in September
September in Nairobi is mild with average temperatures around 21.1°C (70.0°F). Light rainfall with only 20mm expected.
Data Note: Temperature values are 2001–2020 satellite/reanalysis grid averages from NASA POWER and may differ from airport station normals by a few degrees.
Temperature
High
28.6°C
83.5°F
Low
13.7°C
56.7°F
Precipitation
20 mm
0.8 inches
~6 rainy days
Conditions
Humidity
59%
Comparison to Adjacent Months
September is 33mm drier than October.