14-day forecast — Las Vegas
Updated every hour
Mon · Today · 14 Sep
Sunny
32°
24°
0%
Tue · Tomorrow · 15 Sep
Sunny
31°
23°
0%
Wednesday · 16 Sep
Sunny
31°
22°
0%
Thursday · 17 Sep
Sunny
30°
22°
0%
Friday · 18 Sep
Sunny
31°
21°
0%
Saturday · 19 Sep
Sunny
29°
22°
1%
Sunday · 20 Sep
Cloudy
31°
23°
9%
Monday · 21 Sep
Sunny
30°
23°
3%
Tuesday · 22 Sep
Sunny
30°
21°
2%
Wednesday · 23 Sep
Sunny
29°
19°
2.9 mm
Thursday · 24 Sep
Sunny
27°
20°
1.5 mm
Friday · 25 Sep
Sunny
28°
19°
3.0 mm
Saturday · 26 Sep
Sunny
32°
23°
0%
Sunday · 27 Sep
Sunny
29°
19°
0%
About Las Vegas
Desert sunshine nearly every day — 40°C summers, mild winters and the Grand Canyon nearby.
CountryUSA
RegionNevada
ContinentNorth America & Caribbean
Time zoneAmerica/Los_Angeles (-07:00)
Latitude36.1699°
Longitude-115.1398°
Air qualityGood (EAQI 15)
Climate in Las Vegas in September
Averages over 8 years · best time to visitBest time to visit Las Vegas: February–November. With good weather, September is a recommended month to visit.
| August | September | October | |
|---|---|---|---|
| Average temperature | ▼ 34°C | 29°C | ▼ 22°C |
| Highest temperature | ▼ 40°C | 36°C | ▼ 28°C |
| Lowest temperature | ▼ 27°C | 22°C | ▼ 15°C |
| Rainfall | ▼ 15 mm | 8 mm | ▼ 6 mm |
| Days with rain | ▼ 2 d | 1 d | → 1 d |
| Humidity | ▲ 18% | 23% | ▲ 24% |
| Sunshine hours per day | ▼ 12,5 h | 11,5 h | ▼ 10,7 h |
| Cloud cover | ▼ 8% | 7% | ▼ 5% |
| UV index (midday) | ▼ 10 | 8 | ▼ 6 |
| Day length | 13:29 | 12:23 | 11:15 |
| Our rating | Good | Good | Perfect |
Temperature day by day in September mean + moving average
Rainfall day by day in September mm
UV index day by day in September midday value, clear-sky
Climate averages calculated from the ERA5 archive (8 years; sea temperature from marine reanalysis). UV estimated from solar elevation.
Other destinations in North America & Caribbean
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New York
USA
Orlando (Disney World)
USA
Miami
USA
Cancún
Mexico
Barbados
Barbados
Jamaica (Montego Bay)
Jamaica
Data source
Global weather models — international forecasts
The weather for Las Vegas is based on global weather models (ECMWF, GFS) and national meteorological institutes around the world. Forecasts update every hour; current measurements every 15 minutes. For destinations with a larger time difference from the UK, local time is shown above.