Weather in Niamey in September
September in Niamey is warm with average temperatures around 28.1°C (82.6°F). Moderate rainfall of 84mm spread over 17 days.
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
32.8°C
91.0°F
Low
23.5°C
74.3°F
Precipitation
84 mm
3.3 inches
~17 rainy days
Conditions
Humidity
72%
Comparison to Adjacent Months
September is 106mm drier than August.
September is 64mm wetter than October.