In September, Yantai typically sees daytime highs of 25.4°C and overnight lows around 16.2°C. Compared to the annual average high of 16.7°C, September runs +8.7°C.
September in Yantai averages a daytime high of 25.4°C and an overnight low of 16.2°C.
September runs +8.7°C compared to Yantai's annual average high of 16.7°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 25.4°C and cooler evenings around 16.2°C.