In September, Tczew typically sees daytime highs of 18.1°C and overnight lows around 8.4°C. Compared to the annual average high of 11.4°C, September runs +6.7°C.
September in Tczew averages a daytime high of 18.1°C and an overnight low of 8.4°C.
September runs +6.7°C compared to Tczew's annual average high of 11.4°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 18.1°C and cooler evenings around 8.4°C.