- 1st-3rd: Fishing Days at Grasten Castle Lake
- 7th-9th: Market Days in Sonderborg
- 8th: Nordals Music festival
- 17th: Danish Day of the Mills. Mills open at Havnbjerg, Elstrup, Vibæk and Dybbøl
- 18th-24th: International Wood Sculpture Symposium
- 23rd-24th: Battle of Als reenactment
- 27th: Seakayaking with a guide on Alssund (Tickets from Sonderborg Turistbureau)
There are also other events that are over a longer time period, such as the exhibitions related to WWI and the plebiscites and reunification at Sonderborg Slot, the Sonderborg Summer Revue, a well as the start of the tilting-at-the-ring season. Can’t wait for that to arrive in Sonderborg next month!