September in Pocatello averages a daily high of 26.5°C with nights around 9.9°C. Expect roughly 3.8 wet days totalling 28.1mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Pocatello is June.
Based on POCATELLO CITY, ID US (0.4km), 1995–2024. 16 years of September data.