Seasonal adjustments, lawn browning

I thought the Rachio controller would adjust the watering according to the weather. Hotter, sunnier days means more frequent or longer watering. There should be no reason to make seasonal adjustments in the settings. Am I wrong about this? My lawn in northern CA has suffered this summer and I’ve been wondering what to do.

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Flex daily will water more frequently as evapotranspiration increases throughout the year. It will not adjust watering duration. It assumes that the duration is “filling” your bucket. If the zone characteristics aren’t exact you might have to increase watering duration by a small amount (assuming zone characteristics are close).

In a lot of cases this is true, but sometimes fine tuning is necessary. We continue to refine the software to make it more dynamic throughout the year.

Can you explain what schedule type(s) you are using and what you have experienced?