September in Petropavl averages a daily high of 17.3°C with nights around 5.5°C. Expect roughly 9.2 wet days totalling 28mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Petropavl is May–August.
Based on PETROPAVLOVSK, KZ (4.5km), 1995–2024. 19 years of September data.