Convert a month number to month name using PowerShell
Full month name:
(Get-Culture).DateTimeFormat.GetMonthName(8)
Abbreviated:
(Get-Culture).DateTimeFormat.GetAbbreviatedMonthName(8)
If you're looking for the current month, try this:
$currentMonth = Get-Date -UFormat %m$currentMonth = (Get-Culture).DateTimeFormat.GetMonthName($currentMonth)