Las Vegas Weather in September

Average temperatures, rainfall and packing tips for Las Vegas, United States in September

🌡️ Avg high
37°C
🌙 Avg low
23°C
🌧️ Rainfall
~0 mm
📊 Warmth rank
#4 of 12

September in Las Vegas at a glance

September in Las Vegas is typically very hot, with average daytime highs around 37°C and nights near 23°C. Temperature-wise it sits mid-range for Las Vegas (the 4th warmest month).

September is essentially dry in Las Vegas - rainfall is negligible on average.

What to pack for Las Vegas in September

Las Vegas - year at a glance

HighLow · September highlighted
0°5°10°15°20°25°30°35°40°45°50°14°4°15°6°20°9°27°13°32°18°41°26°43°29°40°27°37°23°31°19°18°6°17°4°JanFebMarAprMayJunJulAugSepOctNovDec

Is September a good time to visit Las Vegas?

🧳 September is seriously hot in Las Vegas. It's still doable - plan outdoor activities for early morning or evening, and build in shade and hydration breaks around midday.

If your dates are flexible, the most comfortable months in Las Vegas are usually March and April.

Other months in Las Vegas

September in other cities

← Las Vegas weather tomorrow (live)

FAQ

How hot is Las Vegas in September?

In September, Las Vegas averages a daytime high of about 37°C and a night-time low of around 23°C, based on recent historical data.

Does it rain in Las Vegas in September?

September is essentially dry in Las Vegas - rainfall is negligible on average.

Is September a good time to visit Las Vegas?

September is seriously hot in Las Vegas. It's still doable - plan outdoor activities for early morning or evening, and build in shade and hydration breaks around midday. If your dates are flexible, the most comfortable months in Las Vegas are usually March and April.