September in Towson averages a daily high of 24.7°C with nights around 15.3°C. Expect roughly 3.9 wet days totalling 114.1mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Towson is June.
Based on CYLBURN, MD US (7km), 1995–2024. 14 years of September data.