Atascadero Weather in September

In Atascadero, September brings very high daytime temperatures around 30°C (86°F), with nights cooling to 10°C (50°F). It is the driest month of the year, with minimal rainfall.

Rainfall in Atascadero in September

Clear skies and little rain are the norm this month. A great time to spend time outdoors. Rain is expected on roughly 0 days, totalling around 0.4 mm (0.02 in) for the month.

Temperature in Atascadero in September

Atascadero in September has excellent weather. Days reach 30°C (86°F) and nights cool to 10°C (50°F). Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. Nights drop to around 10°C (50°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Atascadero in September

The days are predominantly sunny, with an estimated total of around 270 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

For Atascadero itself, March, April, May, June, 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.