In September, Vilhena typically sees daytime highs of 31.0°C and overnight lows around 19.4°C. Compared to the annual average high of 28.8°C, September runs +2.2°C.
September in Vilhena averages a daytime high of 31.0°C and an overnight low of 19.4°C.
September runs +2.2°C compared to Vilhena's annual average high of 28.8°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 31.0°C and cooler evenings around 19.4°C.