Grocery price index — what rose and fell this September 2026
The biggest month-over-month moves across everyday grocery staples, computed from the prices we track.
Biggest risers this month
The staples that climbed most, by average shelf price. Heinz Peppa Pig Pasta Shapes In Tomato Sauce led the way, up about 40%.
Biggest fallers this month
And the staples that eased off — cheaper on average than last month. 80 Luxury Gold Tea Bags fell furthest, down about 36%.
The bottom line
Across the staples we track, the sharpest rise was Heinz Peppa Pig Pasta Shapes In Tomato Sauce (+40%) and the biggest drop was 80 Luxury Gold Tea Bags (−36%) this September 2026. These are averages of the prices we recorded, not every price at every store on every day — but they're a fair read on which cupboard and fridge basics are quietly getting dearer and which have come back down. Mai Pantry tracks this for the specific items on your list, then builds the cheapest trip across Coles, Woolworths, ALDI, IGA and more. It's free.