Weather in Las Vegas: September
 |
Average day temperature: | 91.2°F |
| Average night temperature: | 73.6°F | |
 |
Number of sunny days: | 27 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:
2025
2024
2023
The highest day temperature during September of 2025 was 104°F. At the same time the lowest night temperature was 67°F. Daily and nightly averages during September were 93.2°F and 73.5°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 6.1 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: 11.2.
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: 17:28
December 18, thursday
1800
61°F
S
1 mph
1 mph
2100
55°F
S
1 mph
1 mph
December 19, friday
0000
54°F
W
1 mph
1 mph
0300
50°F
SW
2 mph
2 mph
0600
46°F
W
2 mph
2 mph
0900
50°F
SW
2 mph
2 mph
1200
57°F
W
3 mph
3 mph
1500
59°F
W
4 mph
4 mph
