Weather · September
Las Vegas weather in September
Average highs of 94°F, lows of 70°F and 0.20 in of rain, from 30 years of weather records.
September is Las Vegas’s 4th warmest month, with average highs of 94°F and lows of 70°F. That is 8° cooler than August, and 14° above the yearly average high.
- Average high
- 94°F
- Average low
- 70°F
- Precipitation
- 0.20 in
- Wet days
- 1
- Sunrise · sunset
- 6:22 AM · 6:49 PM
September across the year
High and low Rain
What to wear in September
- Hot days: light, breathable clothes, a sun hat, sunscreen and plenty of water for anything outdoors.
September is good for
What’s on in Las Vegas in September
See all upcoming events.
September compared with the months around it
Planning a trip? See the best time to visit Las Vegas and today’s forecast.
Questions
How hot does it get in Las Vegas in September?
Average highs are 94°F and average lows 70°F, for a daily mean of 82°F. Individual days run hotter or colder than these 30-year averages.
Does it rain in Las Vegas in September?
September averages 0.20 in of precipitation over about 1 days with at least 0.01 in. It is the 9th wettest month of the year.
What time is sunset in Las Vegas in September?
Around mid-September the sun rises about 6:22 AM and sets about 6:49 PM, for roughly 12.4 hours of daylight.
Is September a good time to visit Las Vegas?
The mildest months for visiting are April, October, November. September is hot, with Halloween events.
NOAA U.S. Climate Normals 1991–2020, Las Vegas Air Terminal station (4.3 mi from downtown). Sunrise and sunset are calculated for September 15 at the city’s coordinates.