All three matches at Edgbaston will be shown live on Sky Sports, taking place on Saturday September 15
The 2018 T20 Blast is down to its final four teams
The T20 Blast Finals Day line-up is complete with Lancashire Lightning, Somerset, Sussex Sharks and Worcestershire Rapids all heading to Edgbaston on the 15th of September.
After defeating Durham at Chester-le-Street in their quarter-final, Sussex have set up a semi-final clash with Somerset who defeated defending champions Notts at Taunton on Monday.
Lancashire Lightning, who beat Kent at Canterbury in the last eight, will meet the Rapids in the other semi-final.
T20 BLAST FINALS DAY LINE-UPSemi-final: Sussex Sharks vs SomersetSemi-final: Lancashire Lightning vs Worcestershire RapidsFinal: Semi-final winner 1 vs Semi-final winner 2 (6.45pm)*Order of semi-finals yet to be confirmed