Typical Weather in Las Vegas, NV in September

95° F Avg High

70° F Avg Low

1 Rainy Days

☀️ Temperature Summary

September is a popular time of year to visit, with an inviting climate characterized by warm temperatures. Highs in September are typically around 95°F, which is warmer than usual in Las Vegas. You can expect overnight lows near 70°F most days. Daily high temperatures can range between 99°F and 88°F for the month of September.

Be ready to seek shade during the day, as mid-day temperatures can be dangerous if you're caught without a way to cool off. If you want to avoid the September heat, you may consider visiting in October instead, when highs are often closer to 81°.

High Temps Throughout the Year

☔ Rain Summary

You can expect about a 2% chance of rain for any given day in September. It's one of the drier months of the year for Las Vegas, with total rainfall for the month around 0 inches.