NEW YORK, NY - SEPTEMBER 02: Large crowds rush to depart New York's Pennsylvania station before the start of the Labor Day holiday weekend on September 2, 2016 in New York City. Despite weather forecasts for high wind and rain from Hurricane Hermine, thousands of people departed Manhattan for the official last weekend of the summer. (Photo by Spencer Platt/Getty Images)

NEW YORK, NY - SEPTEMBER 02: Large crowds rush to depart New York's Pennsylvania station before the start of the Labor Day holiday weekend on September 2, 2016 in New York City. Despite weather forecasts for high wind and rain from Hurricane Hermine, thousands of people departed Manhattan for the official last weekend of the summer. (Photo by Spencer Platt/Getty Images)

ST MARTINS, ST MARTINS - SEPTEMBER 02: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge visit the Island of St Martin's in the Scilly Isles on September 2, 2016 in St Martins, England. The Duke and Duches's visit to the Scilly Isles was delayed this morninbg due to bad weather. (Photo by Chris Jackson - WPA Pool/Getty Images)

ST MARTINS, ST MARTINS - SEPTEMBER 02: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge visit the Island of St Martin's in the Scilly Isles on September 2, 2016 in St Martins, England. The Duke and Duches's visit to the Scilly Isles was delayed this morninbg due to bad weather. (Photo by Chris Jackson - WPA Pool/Getty Images)

ST MARTINS, ST MARTINS - SEPTEMBER 02: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge visit Scilly Flowers on the Island of St Martin's in the Scilly Isles on September 2, 2016 in St Martins, England. The Duke and Duches's visit to the Scilly Isles was delayed this morning due to bad weather. (Photo by Chris Jackson - WPA Pool/Getty Images)

ST MARTINS, ST MARTINS - SEPTEMBER 02: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge visit Scilly Flowers on the Island of St Martin's in the Scilly Isles on September 2, 2016 in St Martins, England. The Duke and Duches's visit to the Scilly Isles was delayed this morning due to bad weather. (Photo by Chris Jackson - WPA Pool/Getty Images)

ST MARTINS, ST MARTINS - SEPTEMBER 02: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge visit Scilly Flowers on the Island of St Martin's in the Scilly Isles on September 2, 2016 in St Martins, England. The Duke and Duches's visit to the Scilly Isles was delayed this morning due to bad weather. (Photo by Chris Jackson - WPA Pool/Getty Images)

ST MARTINS, ST MARTINS - SEPTEMBER 02: Prince William, Duke of Cambridge is presented with a gift by two young children as he visits the community centre on the Island of St Martin's in the Scilly Isles on September 2, 2016 in St Martins, England. The Duke and Duches's visit to the Scilly Isles was delayed this morning due to bad weather. (Photo by Chris Jackson - WPA Pool/Getty Images)