| FIREWALL | Wire destroyed during autumn as a security measure (8) |
| LOCKDOWN | A security measure in which those inside a building or area are required to remain confined in it for a time (8) |
| PASSWORD | Father's weapon is a security measure (8) |
| STARLING | Bird forming a murmuration at dusk during autumn and winter (8) |
| DEADBOLT | Late, run to get a security measure |
| RAINFALL | Precipitation's unendingly cold during autumn (8) |
| FAREWELL | So long were yields during autumn (8) |
| INNOVATE | Freshen things up during autumn with brewed tea (8) |
| FOOTBALL | During autumn boot designed for game (8) |
| PADLOCK | Stuff with hair perhaps, as a security measure |
| FREEFALL | Uncontrolled descent for shipping hazard during autumn in America (4-4) |
| INDECENT | Blue during fall, after last of deciduous leaves (8) |
| ONPATROL | Doing rounds, as a security guard |
| GUARDDOG | Barker employed as a security assistant? (5,3) |
| KEELOVER | Fall, as in a faint (4,4) |
| RESTRAIN | Break fall, as bridle (8) |
| LEAFLESS | Sees fall as without foliage (8) |
| LEAVESGO | Can't grasp what happens during fall |
| AUTUMNAL | During fall, Altman shot around one uni, then another |
| BREAKING | "Marie, the dawn is ...; Marie, you'll soon be waking; To find your heart is aching; And tears will fall as you recall; The moon in all its splendour" |
