Weather in Las Vegas: September
| Average day temperature: | 91.2°F | |
| Average night temperature: | 73.8°F | |
| Number of sunny days: | 26 days | |
| Day length: | 11.8 - 12.9 hours | |
| Number of rainy days: | 0 days | |
| Precipitation totals: | 0.2 in. | |
| more information | ||
14 days
forecast
forecast
| Las Vegas |
weather in
October
October
| Las Vegas |
Air temperature in September, °F
Show year:
2026
2025
2024
The highest day temperature during September of 2026 was 109°F. At the same time the lowest night temperature was 61°F. Daily and nightly averages during September were 91.1°F and 77.4°F.
Sunny, partly cloudy and cloudy days
Mostly all days in September are sunny but cloudy days are also possible.
Precipitation total in September, in.
Precipitation total value in Las Vegas in September is 0.1 in. Other months of the year show relatively similar values.
Wind speed in September, mph
The average wind speed value in September is 6.4 mph
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 11.0.
Best time for vacation in Las Vegas
Las Vegas on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Las Vegas
Local time: 12:39
November 01, sunday
1500

66°F
E
16 mph
16 mph
1800

59°F
SE
23 mph
23 mph
2100

59°F
SE
21 mph
21 mph
November 02, monday
0000

55°F
SE
12 mph
12 mph
0300

54°F
SE
11 mph
11 mph
0600

52°F
SE
11 mph
11 mph
0900

63°F
SE
11 mph
11 mph
1200

66°F
S
4 mph
4 mph





























