September in Saguenay averages a daily high of 18.5°C with nights around 7.8°C. Expect roughly 12.8 wet days totalling 98.1mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Saguenay is June–September.
Based on JONQUIERE, QC CA (6.5km), 1995–2024. 27 years of September data.