Las Vegas in september: average Weather, Temperature and Climate
Weather in Las Vegas in september 2025
The weather in Las Vegas in september comes from statistical datas on the last years. You can view the weather statistics for the whole month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
perfect weather UV index: 7
Weather at 6am
72°F
Clear/Sunny
84% of time
9%
8%
Weather at 12pm
85°F
Clear/Sunny
86% of time
8%
5%
2%
Weather at 6pm
88°F
Clear/Sunny
85% of time
9%
7%
1%
Weather at 3am
70°F
85%
8%
6%
3%
Evolution of daily average temperature and precipitation in Las Vegas in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Las Vegas in september.
The climate of Las Vegas in september is perfect
The combination of sunshine and high temperatures helps to perfect the weather in Las Vegas throughout September. Rains, even if they continue to show up, do not affect the climate. This makes the beautiful warm and luminous days follow and resemble one another, to the delight of tourists and locals alike.
First Ten Days of September in Las Vegas
The beautiful sun reigns at the beginning of September. Indeed, the rains and clouds are very rare and only punctuate the limpid sky. This makes it possible to make the most of the long summer days and to discover the splendours of this mythical city.
Second Ten Days of September in Las Vegas
As in the early days, the beautiful sunny days characterize the second period of September. Despite the drop in temperature, the heat is felt from daybreak to dusk. This is why it's also a good time to enjoy the best weather throughout September in Las Vegas.
Last Ten Days of September in Las Vegas
A revival in temperature is noticeable during the last ten days of September. The warmth continues to enhance the beautiful sunny days that magnificently compete with each other. All one has to do is choose their activities in order to make the most of their stay.
Seasonal average climate and temperature of Las Vegas in september
Check below seasonal norms These statistics are set from the weather statements of the last years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 83°F | ||||
| Highest temperature | 94°F | ||||
| Lowest temperature | 72°F | ||||
| Highest record temperature | 110°F (2020) | ||||
| Lowest record temperature | 47°F (2013) | ||||
| Number of days at +86°F | 25 day(s) (83%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Wind | |||||
| Wind speed | 16km/h | ||||
| Wind temperature | 72°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 1.1in | ||||
| Number of days with rainfall | 2 day(s) (6%) | ||||
| Record daily rainfall | 1in (2014) | ||||
| Other climate data | |||||
| Humidity | 29% | ||||
| Visibility | 9.91km | ||||
| Cloud cover | 6% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:24 | ||||
| Time of sunset | 17:47 | ||||
| Length of day | 12:23 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | perfect | ||||
How was the weather last september?
Here is the day by day recorded weather in Las Vegas in september 2024:
83°F to 101°F
86°F to 104°F
85°F to 106°F
86°F to 104°F
86°F to 106°F
81°F to 104°F
86°F to 104°F
77°F to 99°F
81°F to 101°F
85°F to 103°F
79°F to 99°F
72°F to 88°F
72°F to 95°F
76°F to 95°F
76°F to 94°F
70°F to 81°F
56°F to 81°F
59°F to 81°F
65°F to 86°F
65°F to 86°F
70°F to 92°F
68°F to 94°F
70°F to 97°F
70°F to 99°F
72°F to 99°F
76°F to 101°F
76°F to 103°F
77°F to 101°F
77°F to 101°F
74°F to 101°F
Map: other cities in the United States (USA) in september
Cities near Las Vegas:
| Laughlin in september | good weather |
| Rachel (Nevada) in september | perfect weather |
| Lake Havasu City in september | perfect weather |
| Havasu Falls (Arizona) in september | perfect weather |
| Zion National Park in september | good weather |
| Grand Canyon in september | perfect weather |
| Bryce Canyon in september | good weather |
| Page (Arizona) in september | perfect weather |
| Flagstaff (Route 66) in september | perfect weather |
| Phoenix (Arizona) in september | good weather |
| California in september | good weather |
| Monument Valley in september | perfect weather |
Click over cities on the map for information about the weather in september.
Las Vegas
perfect weather
good
tolerable
bad
very bad
Weather data for Las Vegas in september:
Weather data for Las Vegas for september are derived from an average of the weather forecast since 2009 in Las Vegas. There is a margin of error and these forecasts are to be considered as general information only. The weather in Las Vegas can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Las Vegas.