In September, Georgetown typically sees daytime highs of 32.0°C and overnight lows around 19.3°C. Compared to the annual average high of 25.8°C, September runs +6.2°C.
September in Georgetown averages a daytime high of 32.0°C and an overnight low of 19.3°C.
September runs +6.2°C compared to Georgetown's annual average high of 25.8°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 32.0°C and cooler evenings around 19.3°C.