National Apple Dumpling Day and National Monte Cristo Sandwich Day in USA

National Guacamole Day, National Cinnamon-Raisin Bread Day and National Play-Dough Day in United States on September 16;

International Guinep Day on September 17;

World Water Monitoring Day on September 18;

National Cheeseburger Day in USA on September 18;

International Grenache Day on September 18 (Celebrated on the 3rd Friday in September);

Bonn Street Food Festival on September 18;

National Coffee Day in Ireland on September 19;

Cheese Days in Monroe, Wisconsin on September 19 (The weekend long event typically occurs on the third weekend in September of even-numbered years in the historic downtown area known as “the Square”);