In September, Freiburg typically sees daytime highs of 18.1°C and overnight lows around 8.6°C. Compared to the annual average high of 11.9°C, September runs +6.2°C.
September in Freiburg averages a daytime high of 18.1°C and an overnight low of 8.6°C.
September runs +6.2°C compared to Freiburg's annual average high of 11.9°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 18.1°C and cooler evenings around 8.6°C.