Long-term weather forecast
Long-term weather forecast

September weather forecast and Climate
Niamey, Niger

City structures of the Niamey city in Niger, from across the river Niger
City structures of the Niamey city in Niger, from across the river Niger
  • The average high temperature in September: 34.4°C

The warmest month (with the highest average high temperature) is April (40.9°C).
The month with the lowest average high temperature is January (32.5°C).

  • The average low temperature in September: 23.6°C

The month with the highest average low temperature is May (27.7°C).
The coldest month (with the lowest average low temperature) is January (16.1°C).

  • The average rainfall in September: 92.2mm

The wettest month (with the highest rainfall) is August (170.8mm).
Driest months (with the lowest rainfall) are January, February and December (0mm).

  • The average rainfall days in September: 10 days

The month with the highest number of rainy days is August (14 days).
Months with the lowest number of rainy days are January, February, November and December (0 days).

  • The average daylight in September: 12h

Months with the longest days are May, June, July and August (Average daylight: 13h).
Months with shortest days are January and December (Average daylight: 11h).

  • The average sunshine in September: 7.9h

The month with most sunshine is January (Average sunshine: 9.6h).
The month with least sunshine is August (Average sunshine: 7.6h).

  • The average UV index in September: 12

Months with the highest UV index are February, March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 9).