In September, Silvan typically sees daytime highs of 32.3°C and overnight lows around 14.9°C. Compared to the annual average high of 21.5°C, September runs +10.8°C.
September in Silvan averages a daytime high of 32.3°C and an overnight low of 14.9°C.
September runs +10.8°C compared to Silvan's annual average high of 21.5°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 32.3°C and cooler evenings around 14.9°C.