Las Vegas Weather in September
United States · 30-year monthly averages
👍 Good time to visit
September in Las Vegas is hot, with average daytime highs around 35°C (95°F) and nighttime lows near 23°C (73°F). Expect roughly 8mm of precipitation spread over about 1 rainy days, and rain is rare.
Avg high
35°C
95°F
Avg low
23°C
73°F
Rainfall
8mm
very dry
Rainy days
1
days with ≥1mm
🎒 What to pack
- breathable summer clothing
- sunscreen, hat and sunglasses
- refillable water bottle
September vs the rest of the year
FAQ
- How hot is Las Vegas in September?
- September in Las Vegas is hot, with average daytime highs around 35°C (95°F) and nighttime lows near 23°C (73°F). Expect roughly 8mm of precipitation spread over about 1 rainy days, and rain is rare.
- Does it rain a lot in Las Vegas in September?
- Las Vegas sees around 8mm of precipitation in September on average — very dry by global standards.
- Is September a good time to visit Las Vegas?
- September is a good month to visit Las Vegas, with generally agreeable conditions.