A latch is usable to latch and automatically unlatch a lid of a waste container. The latch includes a release weight that moves responsive to gravity in a housing from a first position to a second position to cause the latch to disengage from a release receptacle when the latch and the waste container are oriented in a dump angle orientation. The latch includes a rotary damper in the housing that controls movement of the release weight in the housing such that an amount of time for the release weight to move responsive to gravity from the first position to the second position is slower than the amount of time the release weight would move responsive to gravity from the first position to the second position in the housing absent the effect of the rotary damper on the release weight.