September in Abakan averages a daily high of 17.8°C with nights around 3.9°C. Expect roughly 11.3 wet days totalling 47.9mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Abakan is May–August.
Based on MINUSINSK, RS (18km), 1995–2024. 30 years of September data.