A woman wears an umbrella hat to shield herself from the sun while walking the grounds at the 2014 U.S. Open tennis tournament in New York, September 3, 2014. Temperatures reached 33 degrees celcius ... more 
A woman wears an umbrella hat to shield herself from the sun while walking the grounds at the 2014 U.S. Open tennis tournament in New York, September 3, 2014. Temperatures reached 33 degrees celcius in New York. REUTERS/Shannon Stapleton (UNITED STATES - Tags: SPORT TENNIS ENVIRONMENT) less 
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Reuters | Photo By SHANNON STAPLETON / REUTERS
Tue, Sep 2, 2014 6:25 PM EDT