September in Kenner averages a daily high of 31.3°C with nights around 23°C. Expect roughly 9.6 wet days totalling 142.7mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Kenner is February–April.
Based on NEW ORLEANS AIRPORT, LA US (3.5km), 1995–2024. 30 years of September data.