Last year, the local weather people made a fuss about how during one month, we had a record-breaking or record-tying 10 straight days of 90+ degree heat. What month was that? 
August 26-September 4 was 90+ at Downtown LA.
August 25-September 5 was 90+ at the Burbank Airport.
http://www.weather.gov/climate/index.php?wfo=lox
Select the Preliminary Monthly Climate Data (CF6) button for these data.