September in Agadez averages a daily high of 40°C with nights around 26.3°C. Expect roughly 5 wet days totalling 27.3mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Agadez is December–January.
Based on AGADEZ, NG (2.7km), 1995–2024. 16 years of September data.