September in Troitsk averages a daily high of 18.5°C with nights around 6.6°C. Expect roughly 8.5 wet days totalling 25.7mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Troitsk is May–September.
Based on TROITSK, RS (2.2km), 1995–2024. 24 years of September data.