Sierra Vista Weather in September

September in Sierra Vista typically sees daytime highs of 30°C (86°F) and nighttime lows of 16°C (61°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Sierra Vista in September

Looking at the last 30 years, the data shows about 9 days with rain, averaging 63 mm (2.5 in) for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Sierra Vista in September

In September, Sierra Vista sees high temperatures, with highs of 30°C (86°F). Nights drop to around 16°C (61°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. With lows of 16°C (61°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

For Sierra Vista itself, February, March, April, May, October and November generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.