September in Sandnes averages a daily high of 16.5°C with nights around 10.6°C. Expect roughly 17.1 wet days totalling 134.4mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Sandnes is June–September.
Based on SOLA, NO (6.7km), 1995–2024. 30 years of September data.