September in Schenectady averages a daily high of 23.2°C with nights around 11.8°C. Expect roughly 9.6 wet days totalling 99.3mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Schenectady is May–June.
Based on ALBANY INTERNATIONAL AIRPORT, NY US (13.7km), 1995–2024. 30 years of September data.