Las Vegas weather in September
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Las Vegas September weather at a glance
In September, Las Vegas averages 29.3°C, with typical highs of 35.8°C and lows of 22.6°C. The historical average is 1 wet days and 23% humidity.
Las Vegas September temperature & humidity
Las Vegas September rain & wet days
Pack a compact umbrella. Keep an indoor stop available between outdoor activities.
What to wear in Las Vegas in September
Expect intense heat. Pack lightweight quick-dry clothing, sun protection and a refillable bottle. The typical day-to-night swing is about 13°C, so bring an extra layer. The air is relatively dry, so pack lip balm and moisturiser.
- DaytimeBreathable short sleeves, hat and sunscreen · average high 35.8°C
- Morning & eveningLight layer for air-conditioned rooms · average low 22.6°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
Coupang affiliate links · We earn a commission on purchases. Products are sold on the Korean Coupang store.
Las Vegas September sunrise & sunset times
2026 September · Local time (America/Los_Angeles)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-09-01 | 06:12 | 19:08 | 12h 56m |
| 2026-09-15 | 06:23 | 18:48 | 12h 24m |
| 2026-09-30 | 06:35 | 18:25 | 11h 50m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
Las Vegas travel updates
Watch live CCTV
- Welcome to Las Vegas signEarthCam · Live video
Check the camera timestamp at the source.
Today’s weather and forecast
Check temperature, rain and wind in Windy.
Forecast · Windy. Monthly averages are in the Temperature section.
Las Vegas news search
Search for recent news and check publication dates before you travel.
Las Vegas city map
This map shows the city area, not a specific meeting point.
Las Vegas travel essentials
Popular MyRealTrip products · city search, sorted by sales · Product names are in Korean.
- Travel tour
[그랜드캐년 당일투어 매일출발] 웰컴사인+로어엔텔로프+홀스슈+인생샷/15년 1.5만회 진행Book now ↗ - Travel tour
[베스트셀러] 1박2일편안한 LV투어 | 그랜드캐년6대｜매일출발｜후기7000+｜프라이빗숙소Book now ↗ - [베스트셀러/포시즌 리조트숙박] 라스베가스 1박2일｜그랜드캐년6대명소·은하수·별멍·불멍Book now ↗
- Travel SIM card
[미주 유심] T-mobile 5~90일 무제한공항 수령 미국/캐나다/멕시코Book now ↗ - [공식] 라스베가스 스피어 쇼-오즈 (좌석지정, 당일O, 환불신청가능,24시 현지고객지원)Book now ↗
Explore with Klook
Klook.comAffiliate widget · We may earn a commission on bookings.
Las Vegas hotel search · Trip.com
Search hotels by destination, dates and number of guests. The Trip.com widget is in Korean.
Affiliate widget · A qualifying booking may earn us a commission. Trip.com may use cookies in this search widget.
Best months to visit Las Vegas
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
September weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Las Vegas weather like in September?
In September, Las Vegas averages 29.3°C, with typical highs of 35.8°C and lows of 22.6°C. The historical average is 1 wet days and 23% humidity. Our weather-comfort rating for this month is good.
Does it rain a lot in Las Vegas in September?
There are about 1 wet days in September. A compact umbrella is still useful.
What should I wear in Las Vegas in September?
Expect intense heat. Pack lightweight quick-dry clothing, sun protection and a refillable bottle. The typical day-to-night swing is about 13°C, so bring an extra layer. The air is relatively dry, so pack lip balm and moisturiser.
What are the best months to visit Las Vegas?
Recent weather data rates January, February, March, April among the more comfortable months.
Where can I check Las Vegas weather in September in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Las Vegas in September?
On 2026-09-15, calculated sunrise is 06:23 and sunset is 18:48 in local time (America/Los_Angeles). Times vary by date and terrain.
Las Vegas weather by month
More Americas destinations in September
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations