No, The Duskbloods isn't releasing on 24th September, according to Nintendo
Nintendo has officially denied that The Duskbloods will be released on September 24th, correcting an inaccurate date that appeared in an early preview. The company stated that there is currently no information regarding the game's release date. This clarification comes just before a closed network test and amidst leaked gameplay footage circulating online.
Eurogamer
Original source
This article was reported and published by Eurogamer. feed.gg links to it as part of a story cluster — full text, images and rights remain with the publisher.