Hi Marty,
Old Warden is always great, but there seem to be another couple of shows too, according to :-
http://britishairshows.com/calendar.html#September :-
October 4 - 5 Old Buckenham Airfield, Norfolk
NR17 1PU Military Revival Static and airborne displays by warbirds of all eras. Re-enactments of 20th century battles. Living History encampments. Parades, 1940's hangar dance, trade stalls and funfair. Former WWII USAAF air base. Adult £10 Sat, £15 Sun, £20 weekend.
01953 860806
October 5 Old Warden, Bedfordshire
SG18 9EP Shuttleworth Collection Airshow Season Finale - Race Day. Expect gates at 9am. Flying 2pm - 5pm. Adult advance ticket £20
01767 627927
October 5 Old Sarum Airfield, Salisbury, Wilts
SP4 6DZ Vintage Sunday Get-together of vintage aircraft, cars and motorbikes. Free landing for pre-1965 craft. Others £10. Free entry for visitors
I have been to Old Sarum, and it is smaller than Old Warden, but enjoy whichever one(s) you go to!
Cheers,
Neil