September in Abomey averages a daily high of 30.7°C with nights around 22.9°C. Expect roughly 13 wet days totalling 162mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Abomey is June–August.
Based on BOHICON, BN (8.5km), 1995–2024. 20 years of September data.