The following fruits and vegetables are at their best during September in Australia. There are obviously differences between the states – especially the far north and the south but this is a good general guide:

Fruits
Banana
Grapefruit
Lemon
Orange

Vegetables
Artichoke
Beanshoots
Beetroot
Broccoli
Brussels sprout
Cauliflower
Fennel
Mushrooms
Silverbeet
Spinach