In September, Oldenburg typically sees daytime highs of 18.4°C and overnight lows around 9.3°C. Compared to the annual average high of 12.6°C, September runs +5.8°C.
September in Oldenburg averages a daytime high of 18.4°C and an overnight low of 9.3°C.
September runs +5.8°C compared to Oldenburg's annual average high of 12.6°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 18.4°C and cooler evenings around 9.3°C.