In September, Ridder typically sees daytime highs of 15.3°C and overnight lows around 1.4°C. Compared to the annual average high of 5.3°C, September runs +10.0°C.
September in Ridder averages a daytime high of 15.3°C and an overnight low of 1.4°C.
September runs +10.0°C compared to Ridder's annual average high of 5.3°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 15.3°C and cooler evenings around 1.4°C.