Scottsdale Weather in September

September in Scottsdale brings moderate temperatures, with highs of 14°C (57°F) and nights dropping to 5°C (41°F). Rainfall is on the higher side this month, averaging around 99 mm (3.9 in), so keep a rain jacket handy.

Rainfall in Scottsdale in September

Records from the past 30 years suggest around 14 days of rain, with 99 mm (3.9 in) average 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 Scottsdale in September

Daytime highs in Scottsdale in September reach 14°C (57°F), with nights around 5°C (41°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights fall to 5°C (41°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Scottsdale in September

There are approximately 202 hours of sunshine this month, resulting in mostly clear days. Despite the cool temperatures, the sunshine makes it an enjoyable time to be outside.

For Scottsdale itself, January, February, March and December 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.