This weekend's rugby fixtures include the start of the Celtic League plus matches in the U-21 and Junior Interpros, Ulster Senior League, Cork and Limerick Charity Cups.

This weekend's rugby fixtures are as follows: Friday 3rd September Celtic League: Ospreys v Munster, St. Helen's, 7.05 The Borders v Llanelli Scarlets, Netherdale, 7.30 U-21 Interpro Championship: Ulster v Leinster, Ravenhill, 6.30 Saturday 4th September Celtic League: Connacht v Glasgow Rugby, The Sportsground, 2.30 Edinburgh Rugby v Ulster, 3.0 U-21 Interpro Championship: Munster v Connacht, Thomond Park, 2.30 Junior Interpro Championship: Ulster v Munster, Rainey, 2.30 Leinster v Connacht, Wexford, 3.30 Ulster Senior League: Ards v Ballynahinch, Ballymacran Park, 2.30 Instonians v Dungannon, Shaws Bridge, 2.30 Malone v City of Derry, Gibson Park, 2.30 Portadown v Belfast Harlequins, Chambers Park, 2.30 Queen's University v Banbridge, The Dub, 2.30 Cork Charity Cup: Clonakilty v Waterpark, Shannon Vale, 3.0 Cork Constitution v Dolphin, Temple Hill, 3.0 Sunday's Well v Highfield, Musgrave Park, 3.0 Limerick Charity Cup: Garryowen v Thomond, Dooradoyle, 3.0 Old Crescent v UL Bohemian, Rosbrien, 3.0 Munster Senior Friendly: Bruff v Midleton, Bruff, 3.0 Sunday Celtic League: Linster v Cardiff Blues, Donnybrook, 5.15 Limerick Charity Cup: Young Munster v Shannon, Clifford Park, 3.0