In September, Gatchina typically sees daytime highs of 14.2°C and overnight lows around 5.7°C. Compared to the annual average high of 7.7°C, September runs +6.5°C.
September in Gatchina averages a daytime high of 14.2°C and an overnight low of 5.7°C.
September runs +6.5°C compared to Gatchina's annual average high of 7.7°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 14.2°C and cooler evenings around 5.7°C.