In September, Gueines typically sees daytime highs of 31.6°C and overnight lows around 22.5°C. Compared to the annual average high of 29.4°C, September runs +2.1°C.
September in Gueines averages a daytime high of 31.6°C and an overnight low of 22.5°C.
September runs +2.1°C compared to Gueines's annual average high of 29.4°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 31.6°C and cooler evenings around 22.5°C.