In Piedmont N.C. I normally have to mow every 7 days. In August, it's every 5 days or it takes over. In the last month, the cooler nights has slowed it down and mowing every 9 days last 3 times. I may be done now and I will be mowing leaves like the rest of us.
Try to get the last mow in first part of June before it dries out and gets too dangerous to mow. Then no mowing through summer/fire season. We just got rain last week, but grass is still low but will be mowing brush wherever I can as the grass grows. The field can get soggy so probably no mow till early spring depending on how much rain we get. Field only gets mowed 2 or 3 times from March to June.