Summer Cucumber Salad (Jenn)

1 box rotini (cooked);1 c. sugar; 1 c. white vinegar; 1 t. Accent; 2 t. dry mustard; 1 t. garlic powder; 1 t. salt; t. pepper; t. dill weed; 4 medium cucumbers (sliced); 1 large onion sliced.

Refrigerate overnight.