In a large bowl, mix together sugar, flour, oats, baking powder, cinnamon and nutmeg.
In another bowl, combine vegetable oil, eggs, milk and maple syrup.
Add to flour mixture; mix until just moistened. Fill greased or paper-lined muffin cups, ¾ full.
Sprinkle topping over muffins.
Bake at 375°F (190°C) for 20 minutes, or until golden brown.