what is the temp in las vegas in sep
Weather lowdown. The weather continues to cool down in September in Las Vegas, USA, when the summer season is coming to a close and autumn is just around the corner. The beginning of the month is the hottest time to visit, when the average temperature is 30.5Â°C (created by highs of 37Â°C and lows of 24Â°C). This average drops down to 28.5Â°C (highs of 35Â°C and lows of 22Â°C) by September 11 th, 27.5Â°C (highs of 34Â°C and lows of 2...