August in Södertälje averages a daily high of 22.1°C with nights around 12.3°C. Expect roughly 12.6 wet days totalling 73mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Södertälje is June–September.
Based on SODERTALJE, SW (0.7km), 1995–2024. 30 years of August data.