Temperature
Very hot by day, warm at night.
95°Ftypical September high
Typical range
September climate
September in Las Vegas
United States · North America
Plenty of sun. Very hot afternoons are the main drawback.
Some tradeoffs
Mid to late
Daytime high
95°F
Lows around 72°F
Rain
Very little rain
Sun
12 h/day
Air feel
Very dry
When to visit
Month-by-month fit
Best
Precipitation
Rain is infrequent in September.
3%wet-day frequency
AmountWet-day chance
Sunshine
Plenty of sun this month.
11.9 hSeptember sunshine
Heat & humidity by month
Hot, mostly dry days.
38%September Heat feel
Easy airWarm airHot airHumid air
Hourly temperature pattern
In September, afternoons feel about 86° and nights feel near 68°.
Very coldColdCoolComfortableWarmHotSwelteringNight hours
Clear sky
Clear skies this month.
84%September Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in September.
5 mphSeptember Calm
More detailIncludes daypart comfort
Typical September day
September late afternoons are around 93°F, easing to about 88°F in early evening.
Avg temp Typical range
Morning85°F
Rain2%
Cloud13%
Humid airLow
Sun intensityModerate
Midday90°F
Rain3%
Cloud15%
Humid airLow
Sun intensityStrong
Late afternoon93°F
Rain4%
Cloud24%
Humid airLow
Sun intensityStrong
Early evening87°F
Rain2%
Cloud19%
Humid airLow
Sun intensityMinimal
Best windowData tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 61 | 42 | 0.7 | 3 | 8.8 | 43 |
| Feb | 65 | 45 | 1.0 | 4 | 9.5 | 41 |
| Mar | 72 | 51 | 0.5 | 3 | 11.0 | 34 |
| Apr | 80 | 56 | 0.3 | 2 | 12.4 | 25 |
| May | 89 | 65 | 0.2 | 1 | 13.2 | 22 |
| Jun | 100 | 74 | 0.1 | 1 | 13.9 | 17 |
| Jul | 105 | 81 | 0.3 | 3 | 13.6 | 22 |
| Aug | 102 | 79 | 0.5 | 2 | 12.9 | 24 |
| Sep | 95 | 72 | 0.4 | 1 | 11.9 | 25 |
| Oct | 83 | 60 | 0.3 | 2 | 10.6 | 29 |
| Nov | 69 | 49 | 0.4 | 2 | 9.4 | 35 |
| Dec | 60 | 42 | 0.8 | 3 | 8.4 | 43 |
Similar climates
Similar
Similar travel styleMontecitoUnited StatesSimilar travel styleLos OlivosUnited StatesSimilar travel styleCabo San LucasMexicoSimilar travel styleCalistoga / Napa ValleyUnited States
Want a side-by-side climate view? Compare Las Vegas with Montecito.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology