September in Täby averages a daily high of 16.9°C with nights around 10.4°C. Expect roughly 10.3 wet days totalling 48.2mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Täby is June–August.
Based on STOCKHOLM, SW (10.5km), 1995–2024. 29 years of September data.