Meanwhile, the co-op decided to hold its base milk price for November supplies.
Base milk prices in Northern Ireland have moved ahead of those being paid to dairy farmers in Britain.
Dairygold has become the latest co-op to increase its price for milk supplied last month after rises at Lakeland Dairies and Kerry Dairy Ireland.
'Butter and cheese returns continue to underpin milk pricing, as an upward trend in milk output is currently being offset by robust demand,' a spokesperson said.
Milk production in NI has been consistently higher over the first eight months of 2024 when compared to last year.
A looks at some of the main queries raised by farmers around new payment models for milk.
Tirlán, Carbery and Arrabawn have increased their milk prices for September by between 2c/l and 2.75c/l.
Kerry Dairy Ireland has joined Lakeland Dairies by boosting its September milk price by 2.39 c/l, excluding VAT.
A recent discussion group meeting on the Harbison farm focused on what is being done to increase milk solids. Kieran Mailey reports.