The highest day temperature in September 2025 was 111°F. The lowest night temperature was 67°F. The average values for day and night temperatures during September were 99.2°F и 75.2°F respectivly.

Most of the days in September are sunny but you can also expect cloudy and gloomy days.

Precipitation total in September for North Las Vegas is 0.1 in. This value is relatively stable throughout the year.

The average wind speed in September is 5.8 mph.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for North Las Vegas in September is 11.5 hours.