Weather · Las Vegas, United States
Las Vegas Weather in September
September in Las Vegas averages 26°C by day and 11°C at night, with about 20mm of rain. That makes it one of the best months to visit.
Avg high
26°C
79°F
Avg low
11°C
52°F
Rainfall
20mm
#9 wettest of 12
What to pack
Summer clothes by day; a light layer for evenings. Rain is unlikely to interrupt your plans.
Timing a trip around the weather? A Local Friend in Las Vegas builds it around the season for you.