WHICH WEEK ARE THE EMBER DAYS?
According to the pre-modern versions of the Roman Rite, and the Book of Common Prayer, nd the Divine Worship Missal, the September Ember Days come after the festival of the Holy Cross. What a nice easy rule. A child can apply it. So that is where you will find them in the admirable Saint Lawrence Press ORDO (and in Prayer Book based ORDOs).
In other words, next