- Cases for Santa Clara County declined throughout September.
- Deaths in Santa Clara County increased during the same period.
- The number of hospitalizations declined in September.
- The number of new cases, per day declined in California over the month of September.
- The number of deaths per day for California increased in September.
- The number of new cases in the U.S. increased during the first few days of the month and then fell for the remainder of the month.
- The number of new deaths per day rose throughout September in the U.S.