In September, Serra typically sees daytime highs of 27.5°C and overnight lows around 18.3°C. Compared to the annual average high of 28.8°C, September runs -1.4°C.
September in Serra averages a daytime high of 27.5°C and an overnight low of 18.3°C.
September runs -1.4°C compared to Serra's annual average high of 28.8°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 27.5°C and cooler evenings around 18.3°C.