In September, Nea Ionia typically sees daytime highs of 27.0°C and overnight lows around 16.4°C. Compared to the annual average high of 20.7°C, September runs +6.3°C.
September in Nea Ionia averages a daytime high of 27.0°C and an overnight low of 16.4°C.
September runs +6.3°C compared to Nea Ionia's annual average high of 20.7°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 27.0°C and cooler evenings around 16.4°C.