Date Variation:
Since the Hebrew calendar isn't fixed to the Gregorian one, the first day of Tishrei falls on a different Gregorian date each year.
Seasonal Fall:
This system ensures that Rosh Hashanah continues to fall during the autumn in the northern hemisphere, as it did in ancient times, and typically occurs between September 5 and October 5 in the Gregorian calendar.
Since the Hebrew calendar isn't fixed to the Gregorian one, the first day of Tishrei falls on a different Gregorian date each year.
Seasonal Fall:
This system ensures that Rosh Hashanah continues to fall during the autumn in the northern hemisphere, as it did in ancient times, and typically occurs between September 5 and October 5 in the Gregorian calendar.

