In September, Katerini typically sees daytime highs of 26.7°C and overnight lows around 15.8°C. Compared to the annual average high of 20.3°C, September runs +6.5°C.
September in Katerini averages a daytime high of 26.7°C and an overnight low of 15.8°C.
September runs +6.5°C compared to Katerini's annual average high of 20.3°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 26.7°C and cooler evenings around 15.8°C.