For your easy reference, the following is a list of weeks and years with their corresponding date:
18 Sept 2016 – 25th Sunday in Ordinary Time Year C
19 Sept 2016 – Monday of Week 25 Year 2
20 Sept 2016 – Tuesday of Week 25 Year 2
21 Sept 2016 – Saint Matthew, Apostle, Evangelist – Feast
22 Sept 2016 – Thursday of Week 25 Year 2
23 Sept 2016 – Friday of Week 25 Year 2