Las Vegas vs Los Angeles

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Las Vegas edges ahead as the better destination in September. Las Vegas offers 12 hours of daily sunshine with only 1 rain days, while Los Angeles sees 12 sunshine hours and 1 rain days.

Las Vegas can feel quite hot at 34°C, so plan for heat. Los Angeles runs hot at 31°C.

For travelers who prioritize dry weather, both cities are equally dry in September.

Las Vegas reaches an average high of 34°C (93°F) and drops to 21°C (70°F) at night during September. The daily temperature range is 13°C, meaning significant temperature swings between day and night.

Los Angeles averages 31°C (88°F) for the high and 17°C (63°F) for the low, with a daily range of 14°C. The 3°C difference is noticeable but not dramatic.

Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in September.

Las Vegas receives approximately 7 mm of rainfall across 1 rain days during September. Rain is rare this month, so dry conditions are likely.

Los Angeles sees 3 mm over 1 rain days. Both cities are equally rainy this month.

Humidity also differs: Las Vegas averages 65% while Los Angeles sits at 70%. Los Angeles will feel muggier, especially at higher temperatures.