In September, Langenhagen typically sees daytime highs of 18.8°C and overnight lows around 9.3°C. Compared to the annual average high of 12.9°C, September runs +5.9°C.
September in Langenhagen averages a daytime high of 18.8°C and an overnight low of 9.3°C.
September runs +5.9°C compared to Langenhagen's annual average high of 12.9°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 18.8°C and cooler evenings around 9.3°C.