In September, Greifswald typically sees daytime highs of 17.8°C and overnight lows around 9.4°C. Compared to the annual average high of 11.5°C, September runs +6.3°C.
September in Greifswald averages a daytime high of 17.8°C and an overnight low of 9.4°C.
September runs +6.3°C compared to Greifswald's annual average high of 11.5°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 17.8°C and cooler evenings around 9.4°C.