September in Izhevsk averages a daily high of 16.8°C with nights around 7.5°C. Expect roughly 11.5 wet days totalling 46mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Izhevsk is May–August.
Based on SARAPUL, RS (53.5km), 1995–2024. 30 years of September data.