NOT due to Hurricane Sandy, Green Day have announced the cancellation of their remaining 2012 appearances (with 2013 shows being postponed). According to the official press release:

Green Day announced today they will cancel their club tour that was due to launch in Seattle at the Paramount Theatre on September 26th and wind down in Tempe, AZ at the Marquee Theatre on December 10th. Tickets for these clubs shows will be refunded at point of purchase. Additionally, Green Day will postpone all scheduled appearances for the months of January and February 2013. New dates for these rescheduled shows will be announced shortly and previously purchased tickets will be honored on the new dates.

Green Day also announced they would move up the release date of Green Day ¡Tré! to December 11, 2012 from its original date of January 15, 2013.

Green Day were scheduled to headline the Barclays Center on January 16, 2013.