In September, Pocatello typically sees daytime highs of 23.2°C and overnight lows around 4.6°C. Compared to the annual average high of 14.0°C, September runs +9.2°C.
September in Pocatello averages a daytime high of 23.2°C and an overnight low of 4.6°C.
September runs +9.2°C compared to Pocatello's annual average high of 14.0°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 23.2°C and cooler evenings around 4.6°C.